/* ============================================
   CONVERTICO UNIFIED STYLES
   Merged from custom_styles.css & stylef.css
   Dark mode support with light mode default
   ============================================ */

/* ============================================
   CSS VARIABLES - LIGHT MODE (DEFAULT)
   ============================================ */
:root {
    /* Transition speed for theme changes */
    --transition-speed: 0.25s;
    
    /* Primary Colors */
    --primary: #3498db;
    --primary-light: #dbeafe;
    --primary-dark: #2980b9;
    --accent: #60a5fa;
    
    /* Background Colors */
    --body-bg: #ecf7fb;
    --header-bg: #E8F4F8;
    --card-bg: #ffffff;
    --card-secondary: #f8f9fa;
    --card-tertiary: #f1f5f9;
    --bg-elevated: #ffffff;
    
    /* Text Colors */
    --text-primary: #333333;
    --text-secondary: #555555;
    --text-muted: #666666;
    --text-light: #999999;
    
    /* Border Colors */
    --border-color: #e0e0e0;
    --border-light: #f0f0f0;
    --border-accent: #ddd;
    
    /* Interactive Colors */
    --accent-color: #3498db;
    --accent-hover: #2980b9;
    --link-color: #499bc9;
    --link-hover: #ff6b6b;
    
    /* Status Colors */
    --success-color: #2ecc71;
    --success-bg: #e7f7ed;
    --success-light: #D1FAE5;
    --warning-color: #f1c40f;
    --warning-bg: #fef9e7;
    --error-color: #e74c3c;
    --error-bg: #fadbd8;
    --info-color: #3498db;
    --info-bg: #ebf5fb;
    --danger: #EF4444;
    
    /* Component Colors */
    --button-primary-bg: #ACE0E6;
    --button-primary-text: #000000;
    --button-primary-hover: #FFC5C5;
    --button-secondary-bg: #f5f5f5;
    --button-secondary-text: #333333;
    
    /* Category Colors */
    --red-color: #d9535c;
    --blue-color: #4aabcf;
    --green-color: #2ca87c;
    --purple-color: #9b59b6;
    --orange-color: #f39c12;
    --teal-color: #1abc9c;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 15px 30px rgba(0,0,0,0.07);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --shadow-color: rgba(0,0,0,0.1);
    --shadow-primary: 0 4px 14px rgba(59, 130, 246, 0.35);
    --shadow-primary-hover: 0 6px 20px rgba(59, 130, 246, 0.45);
    
    /* Overlays */
    --overlay-bg: rgba(0,0,0,0.4);
    
    /* Input/Form Colors */
    --input-bg: #ffffff;
    --input-border: #ddd;
    --input-focus-border: #3498db;
    --input-placeholder: #999;
    
    /* Search Box (Header) */
    --search-bg: #ffffff;
    --search-border: rgba(0,0,0,0.1);
    
    /* Footer */
    --footer-bg: #27323d;
    --footer-text: #ecf0f1;
    --footer-muted: #bdc3c7;
    
    /* Card Backgrounds */
    --gradient-card-odd: linear-gradient(to bottom, #fff6f4, #fff0ed);
    --gradient-card-even: linear-gradient(to bottom, #f7fcff, #eef8ff);
    --gradient-card-new: linear-gradient(to bottom, #e4f3fb, #d1ebf7);
    --gradient-noicons: linear-gradient(to bottom, #ffffff, #f7fcff);
    --noicons-icon-bg: #edf5fa;
    --noicons-border: #c8dce6;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Checkerboard for transparency */
    --checker-color: #e5e7eb;
    
    /* Scrollbar */
    --scrollbar-track: var(--card-bg);
    --scrollbar-thumb: var(--text-muted);
    --scrollbar-thumb-hover: var(--text-secondary);
}

/* ============================================
   CSS VARIABLES - DARK MODE
   ============================================ */
[data-theme="dark"] {
    --primary: #60a5fa;
    --primary-light: rgba(96, 165, 250, 0.15);
    --primary-dark: #3b82f6;
    --accent: #93c5fd;
    
    /* Background Colors */
    --body-bg: #0f172a;
    --header-bg: #1e293b;
    --card-bg: #1e293b;
    --card-secondary: #334155;
    --card-tertiary: #475569;
    --bg-elevated: #1e293b;
    
    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    
    /* Border Colors */
    --border-color: rgba(255,255,255,0.1);
    --border-light: rgba(255,255,255,0.05);
    --border-accent: #475569;
    
    /* Interactive Colors */
    --accent-color: #60a5fa;
    --accent-hover: #3b82f6;
    --link-color: #60a5fa;
    --link-hover: #f87171;
    
    /* Status Colors */
    --success-color: #4ade80;
    --success-bg: rgba(46, 204, 113, 0.15);
    --success-light: rgba(74, 222, 128, 0.15);
    --warning-color: #fbbf24;
    --warning-bg: rgba(241, 196, 15, 0.15);
    --error-color: #f87171;
    --error-bg: rgba(231, 76, 60, 0.15);
    --info-color: #60a5fa;
    --info-bg: rgba(52, 152, 219, 0.15);
    --danger: #f87171;
    
    /* Component Colors */
    --button-primary-bg: #3b82f6;
    --button-primary-text: #ffffff;
    --button-primary-hover: #60a5fa;
    --button-secondary-bg: #334155;
    --button-secondary-text: #f1f5f9;
    
    /* Category Colors */
    --red-color: #f87171;
    --blue-color: #60a5fa;
    --green-color: #4ade80;
    --purple-color: #a78bfa;
    --orange-color: #fb923c;
    --teal-color: #2dd4bf;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 15px 30px rgba(0,0,0,0.25);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
    --shadow-color: rgba(0,0,0,0.4);
    --shadow-primary: 0 4px 14px rgba(96, 165, 250, 0.25);
    --shadow-primary-hover: 0 6px 20px rgba(96, 165, 250, 0.35);
    
    /* Overlays */
    --overlay-bg: rgba(0,0,0,0.7);
    
    /* Input/Form Colors */
    --input-bg: #334155;
    --input-border: #475569;
    --input-focus-border: #60a5fa;
    --input-placeholder: #64748b;
    
    /* Search Box (Header) */
    --search-bg: #334155;
    --search-border: #475569;
    
    /* Footer */
    --footer-bg: #0f172a;
    --footer-text: #f1f5f9;
    --footer-muted: #94a3b8;
    
    /* Card Backgrounds */
    --gradient-card-odd: linear-gradient(to bottom, #1e293b, #1a2332);
    --gradient-card-even: linear-gradient(to bottom, #1e293b, #1a2a3a);
    --gradient-card-new: linear-gradient(to bottom, #1e3a5f, #1a3050);
    --gradient-noicons: linear-gradient(to bottom, #1e293b, #1a2a3a);
    --noicons-icon-bg: #1a2a3a;
    --noicons-border: rgba(255,255,255,0.08);
    
    /* Checkerboard for transparency */
    --checker-color: #374151;
    
    /* Scrollbar */
    --scrollbar-track: var(--bg-elevated);
    --scrollbar-thumb: var(--text-muted);
    --scrollbar-thumb-hover: var(--text-secondary);
}

/* ============================================
   BASE STYLES & RESET
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Open Sans', 'Segoe UI', 'Helvetica Neue', Roboto, Oxygen, Ubuntu, Cantarell, arial, sans-serif;
    line-height: 1.6;
    background-color: var(--body-bg);
    color: var(--text-primary);
    margin: 0;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    transition: color var(--transition-speed);
}

/* p color - scoped to keep tool-prefixed CSS unaffected.
   Prefixed tools (ptg-, gca-, etc.) set their own paragraph colors. */
body > p,
.tool-container p,
.content-col-1 p,
.content-col-2 p,
.info-container p,
.info-container-full p,
.text-container p {
    margin: 0.5rem 0;
    padding-left: 0;
    color: var(--text-secondary);
}

/* Links - bare `a` is safe here as a base default.
   Prefixed tools override with .xxx-container a { color: var(--xxx-accent) }
   which has higher specificity and wins automatically. */
a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--link-hover);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 15px;
}

.tool-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.page-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.content-row-1 {
    padding: 20px 0;
    width: 100%;
    min-height: 250px;
    position: relative;
    contain: layout;
}

.content-row-2 {
    content-visibility: auto;
    contain-intrinsic-size: 1000px;
    padding: 10px 0;
    width: 100%;
    background-color: var(--body-bg);
    transition: background-color var(--transition-speed);
}

.content-wrapper {
    display: flex;
    flex-wrap: wrap;
}

.content-col-1,
.content-col-2 {
    flex: 1;
    padding: 15px;
    min-width: 300px;
    text-align: left;
}

.content-container {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.full-width-wrapper {
    display: flex;
    flex-direction: column;
    gap: 25px;
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background-color: var(--header-bg);
    box-shadow: var(--shadow-sm);
    padding: 10px 20px;
    margin-bottom: 20px;
    transition: background-color var(--transition-speed);
}

.header-row {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

.header-col-1 {
    display: flex;
    align-items: center;
    text-decoration: none;
    width: 226px;
    position: relative;
    justify-content: flex-start;
}

.header-col-1 a {
    display: block;
    position: relative;
    width: 100%;
}

.header-col-2 ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.header-col-2 li {
    margin-left: 30px;
}

.header-col-2 a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
}

.header-col-2 a:hover {
    color: var(--link-hover);
}

.header-col-2 a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--link-hover);
    transition: width 0.3s ease;
}

.header-col-2 a:hover::after {
    width: 100%;
}

.header-container {
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    min-height: 70px;
    padding: 10px;
    margin-bottom: 10px;
    transition: background-color var(--transition-speed);
}

/* Logo */
.logo-column a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 50px;
    width: 226px;
    display: block;
    position: relative;
}

/* Navigation */
.menu-column {
    display: flex;
    justify-content: flex-end;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav li {
    margin-left: 30px;
}

.main-nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--link-hover);
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--link-hover);
    transition: width 0.3s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

/* ============================================
   TOOL HEADER (Modern Tools)
   ============================================ */
.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tool-icon-wrapper {
    width: 64px;
    height: 64px;
    background: var(--primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

.tool-icon-wrapper svg,
.tool-icon-wrapper i {
    width: 28px;
    height: 28px;
}

.tool-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.tool-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Tool Main Area */
.tool-main {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

/* ============================================
   BUTTONS
   ============================================ */

/* ── IMPORTANT: Scoping rules ───────────────────────────────────────
   The bare `button` selector below only applies INSIDE legacy tool
   containers (.converter-box, .dropzone-wrap, .button-group, etc.).
   New tools using their own CSS prefix (ptg-, gca-, tgd-, ica-, etc.)
   are automatically unaffected because they are outside those containers.
   
   To OPT OUT of global button styles on any new tool, simply wrap your
   tool in a container that does NOT match .converter-box or similar, and
   use a custom prefix for all your classes.
   
   To OPT IN for a specific element inside a prefixed tool, add
   class="button" or class="convert-btn" alongside your custom class.
   ────────────────────────────────────────────────────────────────── */

.button-container {
    display: flex;
    flex-direction: row;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: flex-start;
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    margin-top: 20px;
    margin-left: 5px;
    margin-bottom: 5px;
    max-width: 550px;
    transition: background-color var(--transition-speed);
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.convert-btn {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
    border: none;
    padding: 15px 25px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    min-width: 180px;
    text-align: center;
    text-decoration: none;
}

.convert-btn:hover {
    background-color: var(--button-primary-hover);
    transform: scale(1.05);
}

.convert-btn:focus {
    outline: none;
}

/* .button class - explicit opt-in for legacy tools */
.button {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    box-shadow: none;
}

.button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: none;
}

/* Bare `button` element - scoped to legacy containers only.
   Tools with their own CSS prefix are unaffected. */
.converter-box button,
.dropzone-wrap button,
.button-group button,
.button-container button,
.upload-section-legacy button,
.tool-main-legacy button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    box-shadow: none;
}

.converter-box button:hover,
.dropzone-wrap button:hover,
.button-group button:hover,
.button-container button:hover,
.upload-section-legacy button:hover,
.tool-main-legacy button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: none;
}

button:disabled,
.button:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Modern Buttons - scoped to legacy .tool-container / .tool-main only.
   Prefixed tools (ptg-, gca-, etc.) define their own .xxx-btn rules. */
.tool-container .btn-text,
.tool-main .btn-text {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.tool-container .btn-text:hover,
.tool-main .btn-text:hover {
    background: var(--primary-light);
}

/* Show Button */
.show_button {
    clear: both;
    background: var(--card-bg);
    border: 1px dashed var(--border-color);
    padding: 10px 20px;
    display: block;
    margin: 4px auto 0;
    width: 100%;
    max-width: 100%;
    color: var(--accent-color);
    font-family: inherit;
    font-size: 13px;
    text-align: center;
    font-weight: 600;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.show_button:hover {
    border-color: var(--accent-color);
    background: var(--card-secondary);
}

/* Download Button */
.download-button {
    display: inline-block;
    background: var(--success-color);
    color: white;
    font-weight: 600;
    padding: 15px 35px;
    border-radius: 30px;
    font-size: 18px;
    margin: 5px 0 20px 0;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
    border: none;
    cursor: pointer;
    width: auto;
    min-width: 250px;
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
    background: #27ae60;
}

.download-icon {
    margin-right: 10px;
    font-size: 20px;
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */
.text-container {
    background-color: var(--card-bg);
    padding: 20px;
    max-width: 356px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    font-family: 'Arial', sans-serif;
    margin-top: 10px;
    transition: background-color var(--transition-speed);
}

.text-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.text-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 10px;
}

.info-container {
    max-width: 510px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    font-family: Arial, sans-serif;
    background-color: var(--card-bg);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.info-container h2 {
    color: var(--text-primary);
    margin-top: 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.info-container ol {
    padding-left: 20px;
}

.info-container li {
    margin-bottom: 15px;
    line-height: 1.5;
}

/* Base container styles */
.info-container-base {
    max-width: 510px;
    padding: 30px 30px 38px;
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    background-color: var(--card-bg);
    position: relative;
    transition: background-color var(--transition-speed);
}

/* Full width info container - Modern Card */
.info-container-full {
    width: 100%;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem 2rem 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    position: relative;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.info-container-full h2 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1.25rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.info-container-full h2 svg,
.info-container-full h2 i {
    color: var(--primary);
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.info-container-full h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 1.25rem 0 0.75rem 0;
}

.info-container-full h3 svg,
.info-container-full h3 i {
    color: var(--primary);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.info-container-full p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 0.75rem 0;
}

.info-container-full a {
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
}

.info-container-full a:hover {
    text-decoration: underline;
}

/* Info Cards */
.info-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.info-card h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.35rem;
    color: var(--text-primary);
    margin: 0 0 1.5rem;
}

.info-card h2 svg,
.info-card h2 i {
    color: var(--primary);
    flex-shrink: 0;
}

/* Info Sections */
.info-sections {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.info-section {
    margin-top: 30px;
    background-color: var(--card-secondary);
    border-radius: 8px;
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-speed);
}

.info-section h3 {
    margin-top: 0;
    color: var(--text-primary);
    font-size: 18px;
    margin-bottom: 15px;
}

/* Highlight Box */
.highlight-box {
    background-color: var(--info-bg);
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-speed);
}

.highlight-box h3 {
    color: var(--accent-color);
    margin-top: 0;
    margin-bottom: 10px;
}

/* Accent Bar */
.accent-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.accent-bar.tricolor-bgr {
    background: linear-gradient(to right, 
        #3498db 0%, #3498db 33.33%, 
        #2ecc71 33.33%, #2ecc71 66.66%, 
        #e74c3c 66.66%, #e74c3c 100%);
    height: 6px;
}

.accent-bar.tricolor-gry {
    background: linear-gradient(to right, 
        #2ecc71 0%, #2ecc71 33.33%, 
        #e74c3c 33.33%, #e74c3c 66.66%, 
        #f1c40f 66.66%, #f1c40f 100%);
    height: 5px;
}

.accent-bar.blue { background-color: #3498db; height: 2px; }
.accent-bar.green { background-color: #2ecc71; height: 2px; }
.accent-bar.red { background-color: #e74c3c; height: 2px; }
.accent-bar.yellow { background-color: #f1c40f; height: 2px; }

/* ============================================
   UPLOAD AREA
   ============================================ */
.upload-section {
    padding: 3rem;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--card-secondary);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(96, 165, 250, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-area:hover,
.upload-area.dragover,
.upload-area.active {
    border-color: var(--primary);
    background: var(--card-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-area:hover::before,
.upload-area.dragover::before {
    opacity: 1;
}

.upload-content {
    position: relative;
    z-index: 1;
}

.upload-icon {
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.upload-area:hover .upload-icon {
    transform: translateY(-5px);
}

.upload-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem;
}

.upload-subtitle {
    color: var(--text-secondary);
    margin: 0 0 1rem;
    font-size: 1rem;
}

.file-types {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.file-type-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.upload-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-elevated);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.upload-hint svg,
.upload-hint i {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* ============================================
   EDITOR & SETTINGS SECTIONS
   ============================================ */
.editor-section {
    padding: 0;
}

.files-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--card-secondary);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.files-header-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.files-header-left svg,
.files-header-left i {
    color: var(--primary);
}

/* Preview Section */
.preview-section {
    padding: 2rem;
    background: var(--card-secondary);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.preview-container {
    text-align: center;
}

.preview-image-wrapper {
    max-width: 400px;
    max-height: 300px;
    margin: 0 auto 1rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: repeating-conic-gradient(var(--checker-color) 0% 25%, transparent 0% 50%) 
                50% / 20px 20px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.preview-image-wrapper img {
    max-width: 100%;
    max-height: 300px;
    display: block;
}

.image-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-item svg,
.info-item i {
    color: var(--primary);
}

/* Settings Panel */
.settings-panel {
    padding: 2rem;
    background: var(--bg-elevated);
    transition: background-color var(--transition-speed);
}

.panel-header {
    margin-bottom: 1.5rem;
}

.panel-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.panel-header h3 svg,
.panel-header h3 i {
    color: var(--primary);
}

/* Section Label */
.section-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.section-label svg,
.section-label i {
    color: var(--primary);
}

/* Scale Section */
.scale-section {
    margin-bottom: 2rem;
}

.scale-options {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.scale-option {
    flex: 1;
    min-width: 80px;
    cursor: pointer;
}

.scale-option input {
    display: none;
}

.scale-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.scale-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.scale-option:hover .scale-box {
    border-color: var(--primary);
}

.scale-option input:checked + .scale-box {
    background: var(--primary-light);
    border-color: var(--primary);
}

.scale-option input:checked + .scale-box .scale-value {
    color: var(--primary);
}

.output-dimensions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--primary);
    font-size: 0.9rem;
    transition: background-color var(--transition-speed);
}

.output-dimensions svg,
.output-dimensions i {
    color: var(--primary);
}

/* Algorithm Section */
.algorithm-section {
    margin-bottom: 2rem;
}

.algorithm-options {
    display: grid;
    gap: 0.75rem;
}

.algorithm-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.algorithm-option:hover {
    border-color: var(--primary);
}

.algorithm-option input {
    display: none;
}

.algorithm-option input:checked + .algo-content {
    color: var(--primary);
}

.algorithm-option:has(input:checked) {
    background: var(--primary-light);
    border-color: var(--primary);
}

.algo-content {
    flex: 1;
}

.algo-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.125rem;
}

.algo-desc {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.algo-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.algo-badge.recommended {
    background: var(--success-light);
    color: var(--success-color);
}

/* Format Section */
.format-section {
    margin-bottom: 1.5rem;
}

.format-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.format-select {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: var(--bg-elevated);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.format-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Quality Info */
.quality-info {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.quality-info .info-icon {
    color: var(--primary);
    flex-shrink: 0;
}

.quality-info .info-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Action Bar */
.action-bar {
    display: flex;
    gap: 1rem;
    padding: 2rem;
    background: var(--card-secondary);
    border-top: 1px solid var(--border-color);
    justify-content: flex-end;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

/* ============================================
   RESULTS & ICON BLOCKS
   ============================================ */
#results {
    margin: 0;
    padding-bottom: 20px;
    min-height: 120px;
    position: relative;
}

#archives {
    display: block;
    padding-top: 10px;
    min-height: 0;
    position: relative;
}

#archives:not(:empty) {
    min-height: 100px;
    margin-bottom: 20px;
}

#archives:after {
    content: "";
    display: table;
    clear: both;
}

.archive-text {
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    height: 0;
    overflow: hidden;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0;
    transition: all 0.3s ease;
    margin: 0;
}

.archive-text::before {
    content: '';
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23f39c12' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='7 10 12 15 17 10'/%3E%3Cline x1='12' y1='15' x2='12' y2='3'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.archive-text.visible {
    opacity: 1;
    height: auto;
    padding-top: 16px;
    margin-top: 12px;
    margin-bottom: 8px;
}

#loading {
    width: 100%;
    padding: 18px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: all 0.2s ease;
    margin-bottom: 8px;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.loading-spinner svg {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
    animation: spin 1s linear infinite;
    flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Scale Up entrance animation for new iconblocks */
@keyframes scaleUpEntrance {
    from { opacity: 0; transform: scale(0.92); }
    to   { opacity: 1; transform: scale(1); }
}

.iconblock.entering {
    animation: scaleUpEntrance 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.archiveblock.entering {
    animation: scaleUpEntrance 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.loading-spinner span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
}

#noicons {
    display: grid;
    grid-template-columns: 36px 1fr;
    align-items: center;
    column-gap: 14px;
    row-gap: 1px;
    width: 100%;
    padding: 16px 20px;
    background: var(--card-bg);
    border: 1px dashed var(--noicons-border);
    border-radius: 12px;
    text-align: left;
    transition: all 0.3s ease;
    margin-top: 15px;
    min-height: auto;
    height: auto;
}

#noicons::before {
    content: '';
    grid-row: 1 / 3;
    grid-column: 1;
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background-color: var(--noicons-icon-bg);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%233399cc' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='18' height='18' x='3' y='3' rx='2' ry='2'/%3E%3Ccircle cx='9' cy='9' r='2'/%3E%3Cpath d='m21 15-3.086-3.086a2 2 0 0 0-2.828 0L6 21'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 18px 18px;
    align-self: center;
    transition: background-color var(--transition-speed);
}

#noicons:hover {
    border-color: var(--accent-color);
}

[data-theme="dark"] #noicons::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2360a5fa' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='18' height='18' x='3' y='3' rx='2' ry='2'/%3E%3Ccircle cx='9' cy='9' r='2'/%3E%3Cpath d='m21 15-3.086-3.086a2 2 0 0 0-2.828 0L6 21'/%3E%3C/svg%3E");
}

#noicons .h5, #noicons h5 {
    grid-column: 2;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0;
    margin-top: 0;
    line-height: 1.3;
    align-self: end;
}

#noicons p {
    grid-column: 2;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 0;
    margin-bottom: 0;
    line-height: 1.4;
    align-self: start;
}

/* When #noicons is used as loading container */
#noicons:has(.loading-spinner) {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-style: solid;
    border-radius: 12px;
    text-align: center;
    min-height: 64px;
    margin-bottom: 8px;
}
#noicons:has(.loading-spinner)::before {
    display: none;
}

/* info-text wrapper for archive and iconblock */
.info-text {
    flex: 1;
    min-width: 0;
}

/* Icon Blocks */
.iconblock, .archiveblock {
    display: flex;
    min-height: auto;
    overflow: hidden;
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    margin-bottom: 8px;
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
}

.iconblock:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-accent);
}

.iconblock:nth-child(odd) {
    background: var(--card-bg);
    border-color: var(--border-color);
}

.iconblock:nth-child(odd):hover {
    border-color: var(--border-accent);
}

.iconblock:nth-child(even) {
    background: var(--card-bg);
    border-color: var(--border-color);
}

.iconblock:nth-child(even):hover {
    border-color: var(--accent-color);
}

.iconblock.newest {
    background: var(--card-bg);
    border-color: var(--accent-color);
}

.iconblock.newest:hover {
    border-color: var(--accent-hover);
}

.close-icon {
    position: relative;
    top: auto;
    right: auto;
    cursor: pointer;
    font-size: 0;
    color: var(--text-light);
    width: 28px;
    height: 28px;
    min-width: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 7px;
    transition: all 0.2s ease;
    order: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.close-icon::after {
    content: '\00D7';
    font-size: 16px;
    line-height: 1;
}

.close-icon:hover {
    color: var(--link-hover);
    background-color: rgba(255,107,107,0.1);
}

/* Download button */
.download {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-left: auto;
    margin-right: 8px;
    order: 2;
}

.download a {
    height: 38px;
    width: 38px;
    background-color: var(--success-color);
    border-radius: 10px;
    position: relative;
    transition: all 0.2s ease;
    text-indent: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background-image: none !important;
    font-size: 0;
}

.download a::after {
    display: none;
}

.download a svg {
    width: 18px;
    height: 18px;
    color: #fff;
    flex-shrink: 0;
}

[data-theme="dark"] .download a svg {
    color: #fff;
}

.download a:hover {
    background-color: #27ae60;
    transform: scale(1.05);
}

/* Info layout */
.info {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    padding-right: 10px;
    order: 1;
}

.info span {
    background: var(--card-secondary);
    border: 1px solid var(--border-color);
    height: 44px;
    width: 44px;
    margin: 0 12px 0 0;
    border-radius: 8px;
    box-shadow: none;
    position: relative;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.info span img {
    display: block;
    max-width: 80%;
    max-height: 80%;
    width: auto;
    height: auto;
    margin: 0;
    padding: 0;
}

.info h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    line-height: 1.3;
    font-family: inherit;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.info p {
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-left: 10px;
    color: var(--text-muted);
}

/* Remove button */
.iconblock .remove,
.archiveblock .remove {
    border-radius: 7px;
    border: none;
    background-color: transparent;
    color: var(--text-light);
    padding: 0;
    font-size: 16px;
    font-weight: 400;
    transition: all 0.2s ease;
    position: relative;
    width: 28px;
    height: 28px;
    min-width: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    z-index: 5;
    margin-right: 0;
    align-self: center;
    order: 3;
    flex-shrink: 0;
}

.iconblock .remove:hover {
    background-color: rgba(255,107,107,0.1);
    color: var(--link-hover);
    border-color: transparent;
}

/* Archive blocks */
.archiveblock {
    display: flex;
    align-items: center;
    padding: 14px 18px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    min-height: auto;
    overflow: visible;
}

.archiveblock:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--orange-color);
}

.archiveblock.newest {
    background: var(--card-bg);
    border-color: var(--border-color);
}

.archiveblock .info {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    padding-right: 10px;
}

.archiveblock .info span {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(243,156,18,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-right: 14px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: none;
}

.archiveblock .info span svg {
    width: 22px;
    height: 22px;
    color: var(--orange-color);
}

.archiveblock .info span img {
    width: 22px;
    height: 22px;
}

.archiveblock .info-text {
    flex: 1;
    min-width: 0;
}

.archiveblock .info-text h5,
.archiveblock .info h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.archiveblock .info-text p,
.archiveblock .info p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
    margin-left: 0;
}

.archiveblock .download {
    margin-left: auto;
    margin-right: 10px;
    flex-shrink: 0;
}

.archiveblock .download a {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--orange-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0;
    text-indent: -9999px;
    position: relative;
}

.archiveblock .download a::after {
    display: none;
}

.archiveblock .download a svg {
    width: 18px;
    height: 18px;
    color: #fff;
}

.archiveblock .download a:hover {
    background-color: #d4963e;
    transform: scale(1.05);
}

.archiveblock .remove {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.15s;
    font-size: 0;
    border: none;
    background: transparent;
    padding: 0;
    order: 3;
}

.archiveblock .remove:hover {
    background: rgba(230,166,78,0.12);
    color: var(--orange-color);
}

/* Results Section (Modern) */
.results-section {
    padding: 3rem;
}

.results-header {
    text-align: center;
    margin-bottom: 2rem;
}

.results-header .success-icon {
    width: 64px;
    height: 64px;
    background: var(--success-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--success-color);
    transition: background-color var(--transition-speed);
}

.results-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Comparison Container */
.comparison-container {
    margin-bottom: 2rem;
}

.comparison-header {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.view-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.view-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.comparison-view {
    background: var(--card-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.comparison-view.side-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.compare-item {
    text-align: center;
}

.compare-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--text-muted);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.compare-item.upscaled .compare-label {
    background: var(--success-color);
}

.compare-image-wrapper {
    background: repeating-conic-gradient(var(--checker-color) 0% 25%, transparent 0% 50%) 
                50% / 16px 16px;
    border-radius: var(--radius-md);
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: background-color var(--transition-speed);
}

.compare-image-wrapper img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-sm);
}

.compare-info {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Download Actions */
.download-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   FORMS & INPUTS
   ============================================ */
input.text {
    border-radius: 12px;
    box-shadow: inset 1px 1px 8px var(--border-color);
    border: 1px solid var(--input-border);
    font-size: 14px;
    text-transform: uppercase;
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
    background-color: var(--input-bg);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

input.text:hover {
    border-color: var(--accent-color);
}

input.text:focus {
    outline: none;
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

input.text::placeholder {
    color: var(--input-placeholder);
}

/* Public icon checkbox */
#public_icon_label {
    text-transform: none;
    margin-bottom: 12px;
    margin-top: 0px;
    margin-left: 4px;
    font-size: 1rem;
    display: block;
    color: var(--text-secondary);
}

#public_icon {
    margin-right: 5px;
    vertical-align: middle;
}

#public_icon_label span {
    vertical-align: middle;
}

.size-checkboxes input[type=checkbox] {
    margin-right: 5px;
    width: 15px;
    height: 15px;
}

.size-checkboxes label {
    min-width: 26%;
    margin: 5px;
    color: var(--text-secondary);
}

/* Quality settings */
.options {
    margin: 25px 0;
    padding: 20px;
    background-color: var(--card-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-speed);
}

.options label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.optionsw {
    margin: 5px 0;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-speed);
}

.optionsw label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Slider styling */
.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right, var(--success-color), var(--warning-color), var(--error-color));
    outline: none;
    opacity: 0.85;
    transition: opacity 0.2s, box-shadow 0.3s;
    margin: 10px 0;
}

.slider:hover {
    opacity: 1;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: var(--shadow-md);
}

.slider::-moz-range-thumb {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.quality-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.quality-control label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.quality-control input[type="range"] {
    width: 120px;
    height: 6px;
    border-radius: var(--radius-full);
    background: linear-gradient(to right, var(--warning-color), var(--success-color));
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.quality-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 2px solid var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.quality-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-elevated);
    border: 2px solid var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

#qualityValue {
    color: var(--text-primary);
}

/* Styled dropdown */
.styled-dropdown {
    flex: 1;
    padding: 12px 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-primary);
    font-size: 15px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .styled-dropdown {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23cbd5e1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

.styled-dropdown:hover {
    border-color: var(--accent-color);
}

.styled-dropdown:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

/* Checkbox styling */
.checkbox-wrapper {
    display: flex;
    align-items: center;
}

/* Checkboxes - scoped to legacy tool containers.
   Prefixed tools must override checkbox styles under their own prefix
   selector (e.g. .ptg-container input[type="checkbox"]) with !important
   on width/height/border to win over this block. */
.converter-box input[type="checkbox"],
.tool-container input[type="checkbox"],
.dropzone-wrap input[type="checkbox"],
.button-group input[type="checkbox"],
.options-row input[type="checkbox"],
.settings-row input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    outline: none;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
    margin-right: 10px;
    background-color: var(--input-bg);
}

.converter-box input[type="checkbox"]:checked,
.tool-container input[type="checkbox"]:checked,
.dropzone-wrap input[type="checkbox"]:checked,
.button-group input[type="checkbox"]:checked,
.options-row input[type="checkbox"]:checked,
.settings-row input[type="checkbox"]:checked {
    background-color: var(--accent-color);
}

.converter-box input[type="checkbox"]:checked:after,
.tool-container input[type="checkbox"]:checked:after,
.dropzone-wrap input[type="checkbox"]:checked:after,
.button-group input[type="checkbox"]:checked:after,
.options-row input[type="checkbox"]:checked:after,
.settings-row input[type="checkbox"]:checked:after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 14px;
    font-weight: bold;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-label {
    cursor: pointer;
    font-weight: normal !important;
    margin: 0 !important;
}

/* ============================================
   ERROR & SUCCESS MESSAGES
   ============================================ */
#errorWrap {
    margin-bottom: 12px;
}

.error-message {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    background: var(--error-bg);
    border: 1px solid var(--error-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.error-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 8px;
    background: var(--error-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.error-icon svg {
    width: 16px;
    height: 16px;
    color: #fff;
}

.error-content {
    flex: 1;
}

.error-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--error-color);
    line-height: 1.5;
    margin-bottom: 2px;
}

.error-contact {
    font-size: 12px;
    color: var(--text-muted);
    transition: color var(--transition-speed);
}

.error-contact a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.error-contact a:hover {
    text-decoration: underline;
}

.error-close {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--error-color);
    flex-shrink: 0;
    opacity: 0.5;
    transition: opacity 0.15s;
}

.error-close:hover {
    opacity: 1;
}

.error-close svg {
    width: 14px;
    height: 14px;
}

.error {
    color: #c0392b;
    background-color: var(--error-bg);
    padding: 15px;
    border-radius: 6px;
    margin: 15px 0;
    display: none;
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    border: 1px solid var(--error-color);
}

.error-display {
    background: var(--error-bg);
    border: 1px solid var(--error-color);
    color: var(--error-color);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin: 1rem 2rem;
    font-weight: 500;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

/* Enhanced success message */
.success {
    background-color: var(--success-bg);
    border: 1px solid var(--success-color);
    border-radius: 8px;
    padding: 20px;
    margin: 25px 0;
    display: none;
    box-shadow: 0 3px 15px rgba(46, 204, 113, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.success-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.success-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    width: 100%;
}

.success-icon {
    font-size: 30px;
    color: var(--success-color);
    margin-right: 10px;
}

.success-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--success-color);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress-container {
    display: none;
    margin: 25px 0;
}

.progress-bar {
    height: 12px;
    background-color: var(--card-secondary);
    border-radius: 6px;
    margin-bottom: 10px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 0.4s ease;
    border-radius: 6px;
}

#progressText {
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
}

/* Processing Overlay */
.processing-overlay {
    position: fixed;
    inset: 0;
    background: var(--overlay-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.processing-content {
    background: var(--bg-elevated);
    padding: 3rem;
    border-radius: var(--radius-xl);
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    transition: background-color var(--transition-speed);
}

.processing-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.processing-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1.5rem;
}

.processing-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.progress-track {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    min-width: 40px;
    font-weight: 600;
    color: var(--primary);
}

.processing-status {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   FILE INFO & STATS
   ============================================ */
.file-info {
    margin: 20px 0;
    padding: 15px 20px;
    background-color: var(--info-bg);
    border: 2px solid var(--accent-color);
    border-radius: 6px;
    display: none;
    box-shadow: var(--shadow-sm);
}

.file-stats {
    display: flex;
    justify-content: center;
    margin: 10px 0 0 0;
    font-size: 13px;
    color: var(--text-secondary);
    width: 100%;
}

.file-stats div {
    padding: 0 15px;
    border-right: 1px solid var(--border-color);
    text-align: center;
}

.file-stats div:last-child {
    border-right: none;
}

.file-stats .stat-value {
    font-weight: 600;
    font-size: 16px;
    display: block;
    margin-top: 5px;
    color: var(--text-primary);
}

.reduction-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 11px;
    margin-top: 5px;
}

/* Selected files display */
.selected-files {
    margin: 20px 0;
    padding: 15px;
    background-color: var(--card-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-speed);
}

.selected-files h4 {
    margin-top: 0;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.selected-files ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.selected-files li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
}

.selected-files li:last-child {
    border-bottom: none;
}

/* Converted files list */
.converted-files {
    margin-top: 20px;
    text-align: left;
}

.converted-files h4 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

.converted-files-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.file-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid var(--border-light);
}

.file-name {
    flex: 2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    flex: 1;
    text-align: right;
    margin-right: 10px;
}

.file-download {
    flex: 0 0 30px;
    text-align: center;
    text-decoration: none;
    font-size: 18px;
}

.conversion-summary h4 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

/* ============================================
   STATS CONTAINER
   ============================================ */
.stats-container {
    position: relative;
}

.stats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.stats-header h2 {
    margin: 0;
    display: flex;
    align-items: center;
}

.stats-items,
.stats-wrapper {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 0;
}

.stat-item,
.stat-card {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--card-secondary);
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    flex: none;
    flex-direction: row;
    align-items: flex-start;
}

.stat-item::after,
.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
}

.stat-item:hover::after,
.stat-card:hover::after {
    left: 100%;
}

.stat-item:hover,
.stat-card:hover {
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
    transform: none;
}

.stat-item.stat-featured,
.stat-card.total-stats {
    background: var(--info-bg);
}

.stat-item.stat-featured:hover,
.stat-card.total-stats:hover {
    background: var(--card-bg);
}

.stat-card.hourly-stats {
    background: var(--success-bg);
}

.stat-card.hourly-stats:hover {
    background: var(--card-bg);
}

.stat-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    position: static;
    font-size: inherit;
    opacity: 1;
}

.stat-content {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.stat-meta {
    margin-bottom: 5px;
}

.stat-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.tag-total {
    background: var(--primary-light);
    color: var(--primary);
}

.tag-hourly {
    background: var(--success-light);
    color: var(--success-color);
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 2px 0;
    line-height: 1.2;
}

.stat-content p,
.stat-label {
    margin: 0;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
    text-transform: none;
    letter-spacing: normal;
    font-weight: normal;
    text-align: left;
}

/* ============================================
   ICON FADE ANIMATION
   ============================================ */
.icon-fade {
    display: inline-block;
    text-align: center;
}

.icon-fade img {
    width: 60px;
    height: 60px;
    animation: fade 5s infinite ease-in-out;
    transition: all 0.3s ease;
}

.icon-fade:hover img {
    animation: accelerate-spin 4s infinite cubic-bezier(0.1, 0.1, 0.9, 0.9);
}

@keyframes fade {
    0% { opacity: 1; }
    30% { opacity: 0.3; }
    70% { opacity: 0.3; }
    100% { opacity: 1; }
}

@keyframes accelerate-spin {
    0% { transform: rotate(0deg); }
    30% { transform: rotate(180deg); }
    100% { transform: rotate(1440deg); }
}

/* ============================================
   HOW TO USE SECTION
   ============================================ */
#how-to-use {
    margin-top: 40px;
    padding: 20px;
    background-color: var(--card-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-speed);
}

#how-to-use h2 {
    margin-bottom: 15px;
    color: var(--text-primary);
}

/* ============================================
   STEPS LIST
   ============================================ */
.steps-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step;
}

.steps-list li {
    position: relative;
    padding-left: 3.5rem;
    padding-bottom: 1.25rem;
    counter-increment: step;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.steps-list li:last-child {
    padding-bottom: 0;
}

.steps-list li:not(:last-child)::after {
    content: '';
    position: absolute;
    left: calc(1rem - 1px);
    top: 2rem;
    bottom: 0;
    width: 2px;
    background: var(--primary-light);
}

.steps-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    z-index: 1;
    box-shadow: var(--shadow-sm);
}

.steps-list li strong {
    color: var(--text-primary);
}

.steps-list li a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.steps-list li a:hover {
    text-decoration: underline;
}

/* Pro Tip Box */
.steps-tip {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--warning-bg);
    border-radius: 12px;
    border: 1px dashed var(--warning-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.steps-tip i,
.steps-tip svg {
    color: var(--warning-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.steps-tip a {
    color: var(--orange-color);
    font-weight: 600;
    text-decoration: none;
}

.steps-tip a:hover {
    text-decoration: underline;
}

/* ============================================
   ALGORITHM EXPLANATIONS
   ============================================ */
.algorithm-explanations {
    display: grid;
    gap: 1rem;
}

.algo-explain {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.algo-tag {
    flex-shrink: 0;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
}

.algo-tag.lanczos { background: var(--purple-color); }
.algo-tag.bicubic { background: var(--primary); }
.algo-tag.bilinear { background: var(--success-color); }
.algo-tag.nearest { background: var(--warning-color); }

.algo-explain p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   BENEFITS GRID
   ============================================ */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.benefit-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    transition: background-color var(--transition-speed);
}

.benefit-content h4 {
    margin: 0 0 0.25rem;
    font-size: 1rem;
    color: var(--text-primary);
}

.benefit-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-list {
    display: grid;
    gap: 0.75rem;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.2s ease;
}

.faq-item:hover {
    border-color: var(--accent-color);
}

.faq-question {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--card-secondary);
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.faq-question:hover {
    background: var(--card-bg);
}

.faq-question svg,
.faq-question i {
    color: var(--primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.open .faq-question {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.faq-item.open .faq-question svg,
.faq-item.open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 1rem 1.25rem;
    background: var(--bg-elevated);
    transition: background-color var(--transition-speed);
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-answer p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-answer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* ============================================
   TOOLS GRID
   ============================================ */
.tools2-grid {
    display: grid;
    background-color: var(--card-bg);
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 10px;
    width: 100%;
    transition: background-color var(--transition-speed);
}

.tool2-card {
    display: flex;
    gap: 10px;
    padding: 15px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    background-color: var(--card-bg);
}

.tool2-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.tool2-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool2-content h3 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.tool2-content p {
    margin-bottom: 8px;
    font-size: 15px;
    color: var(--text-secondary);
}

.tool2-link {
    padding: 4px 10px;
    font-size: 15px;
    background-color: var(--card-tertiary);
    border-radius: 16px;
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.tool2-link:hover {
    background-color: var(--success-color);
    color: white;
}

/* ============================================
   RELATED TOOLS
   ============================================ */
.related-tools {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 1rem 1.5rem;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.related-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.related-label svg,
.related-label i {
    color: var(--primary);
    flex-shrink: 0;
}

.related-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.related-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--card-secondary);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.related-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.related-link svg,
.related-link i {
    flex-shrink: 0;
}

/* ============================================
   RECOMMENDATIONS
   ============================================ */
/* Conversion Recommendations - Modern Compact Card */
.conversion-recommendations {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin: 1rem 0 1.5rem 0;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.conversion-recommendations p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    flex-wrap: wrap;
}

.conversion-recommendations p::before {
    content: '';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    background-color: var(--primary);
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71'/%3E%3Cpath d='M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71'/%3E%3C/svg%3E");
    -webkit-mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71'/%3E%3Cpath d='M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71'/%3E%3C/svg%3E");
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
}

.conversion-recommendations a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--card-secondary);
    border-radius: 9999px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.conversion-recommendations a:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* ============================================
   LINK STYLES (Colored badges)
   ============================================ */
a.one:link, a.one:visited {
    background-color: var(--success-color);
    color: black;
    padding: 0px 2px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    border-radius: 0.2rem;
}

a.one:hover, a.one:active {
    background-color: var(--orange-color);
}

a.two:link, a.two:visited {
    background-color: var(--orange-color);
    color: black;
    padding: 0px 2px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    border-radius: 0.2rem;
}

a.two:hover, a.two:active {
    background-color: var(--card-secondary);
}

a.three:link, a.three:visited {
    background-color: var(--info-color);
    color: black;
    padding: 0px 2px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    border-radius: 0.2rem;
}

a.three:hover, a.three:active {
    background-color: var(--error-bg);
}

a.4r:link, a.4r:visited {
    background-color: var(--orange-color);
    color: black;
    padding: 0px 2px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    border-radius: 0.2rem;
}

a.4r:hover, a.4r:active {
    background-color: var(--card-secondary);
}

/* ============================================
   DETAILS/SUMMARY
   ============================================ */
details {
    margin-bottom: 1rem;
    border-bottom: 1px dotted var(--border-color);
    padding-bottom: 0.5rem;
}

summary {
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

summary:hover {
    color: var(--success-color);
}

/* ============================================
   BANNER
   ============================================ */
.banner-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* ============================================
   COUNTER
   ============================================ */
#counter p span {
    font-size: 32px;
    color: var(--accent-color);
}

.total {
    font-size: 32px;
    color: var(--text-primary);
}

.example {
    font-style: italic;
    color: var(--link-color);
}

/* ============================================
   ANNOUNCEMENT BOX
   ============================================ */
.announcement-box {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: linear-gradient(90deg, #60a5fa21);
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 25px;
    box-shadow: none;
}

.announcement-box::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
        background: var(--success-bg);
    transition: left 0.5s ease;
    pointer-events: none;
}

.announcement-box:hover::after {
    left: 100%;
}

.announcement-box:hover {
    background: var(--card-bg);
    box-shadow: var(--shadow-md);
    transform: none;
}

.announcement-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 0;
    flex: none;
    background: var(--success-color);
}

.announcement-icon svg {
    width: 22px;
    height: 22px;
    stroke: white;
}

.announcement-content {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.announcement-meta {
    margin-bottom: 5px;
}

.announcement-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.tag-new {
    background: var(--success-light);
    color: var(--success-color);
}

.announcement-content h3 {
    margin: 0 0 5px 0;
    font-size: 18px;
    font-weight: 600;
}

.announcement-content h3 a {
    color: var(--success-color);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 600;
}

.announcement-content h3 a:hover {
    color: var(--success-color);
    text-decoration: none;
}

.announcement-content p {
    margin: 0;
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.5;
    padding-left: 0;
}

.announcement-content p a,
.announcement-content a {
    color: var(--success-color);
    text-decoration: none;
    border-bottom: 1px dotted var(--success-color);
    font-weight: 600;
}

.announcement-content p a:hover,
.announcement-content a:hover {
    border-bottom-style: solid;
}

/* ============================================
   TIP NOTE
   ============================================ */
.tip-note {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: var(--info-bg);
    border-radius: 8px;
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-secondary);
}

.tip-note a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.tip-note a:hover {
    text-decoration: underline;
}

.tip-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.tip-link:hover {
    text-decoration: underline;
}

/* ============================================
   FEEDBACK TOOLTIP
   ============================================ */
.feedback-tooltip {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 250px;
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    transform: translateY(20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feedback-tooltip.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.tooltip-content {
    padding: 20px;
}

.tooltip-header {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.tooltip-icon {
    font-size: 18px;
    margin-right: 10px;
}

.tooltip-header h4 {
    margin: 0;
    flex-grow: 1;
    color: var(--text-primary);
}

#close-tooltip {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--success-color);
    padding: 0;
    line-height: 1;
    box-shadow: none;
}

#close-tooltip:hover {
    color: var(--text-muted);
    transform: none;
    box-shadow: none;
}

.feedback-tooltip p {
    margin: 0 0 15px 0;
    font-size: 14px;
    color: var(--text-muted);
}

.feedback-button {
    display: block;
    background: var(--primary);
    color: white;
    padding: 10px 15px;
    border-radius: 20px;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
}

.feedback-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ============================================
   ABOUT CONTENT
   ============================================ */
.about-content p {
    margin-bottom: 2px;
    line-height: 1.6;
}

.about-content a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.about-content a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ============================================
   SIZE SELECTOR (Compact)
   ============================================ */
.size-card-compact {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.size-card-compact .size-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.size-card-compact .size-row h2 {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0;
    margin-right: 0.5rem;
    white-space: nowrap;
}

.size-card-compact .size-row h2 i,
.size-card-compact .size-row h2 svg {
    color: var(--primary);
}

.size-card-compact .size-checkboxes label.size-chip {
    min-width: auto !important;
    margin: 0 !important;
    cursor: pointer;
    position: relative;
}

.size-card-compact .size-checkboxes input[type="checkbox"] {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    margin: 0 !important;
    padding: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
    clip: rect(0, 0, 0, 0) !important;
}

.size-card-compact .chip-box {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    background: var(--card-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.15s ease;
    user-select: none;
}

.size-card-compact .size-chip:hover .chip-box {
    border-color: var(--text-light);
    background: var(--card-tertiary);
}

.size-card-compact .size-chip input:checked + .chip-box {
    color: white;
}

.size-card-compact .size-large input:checked + .chip-box {
    background: var(--success-color);
    border-color: var(--success-color);
}

.size-card-compact .size-medium input:checked + .chip-box {
    background: var(--primary);
    border-color: var(--primary);
}

.size-card-compact .size-small input:checked + .chip-box {
    background: var(--blue-color);
    border-color: var(--blue-color);
}

.size-card-compact .size-tiny input:checked + .chip-box {
    background: var(--red-color);
    border-color: var(--red-color);
}

.size-card-compact .size-row-actions {
    display: flex;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-light);
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.size-card-compact .size-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.size-card-compact .size-actions-inline {
    display: flex;
    gap: 0.25rem;
}

.size-card-compact .size-link-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    transition: all 0.15s ease;
    box-shadow: none;
}

.size-card-compact .size-link-btn:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: none;
    box-shadow: none;
}

/* ============================================
   INFO CONTAINER LISTS (Full Width)
   ============================================ */
.info-container-full ol,
.info-container-full ul {
    padding-left: 0;
    list-style-position: inside;
    margin: 15px 0;
}

.info-container-full ol {
    counter-reset: item;
    list-style-type: none;
}

.info-container-full ol li {
    position: relative;
    padding-left: 45px;
    margin-bottom: 18px;
    counter-increment: item;
}

.info-container-full ol li:before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
}

.info-container-full ol li:last-child {
    margin-bottom: 0;
}

.info-container-full ul {
    list-style-type: none;
}

.info-container-full ul li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
}

.info-container-full ul li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    background-color: var(--warning-color);
    border-radius: 3px;
}

.info-container-full ul li:nth-child(1):before { background-color: var(--success-color); }
.info-container-full ul li:nth-child(2):before { background-color: var(--accent-color); }
.info-container-full ul li:nth-child(3):before { background-color: var(--warning-color); }
.info-container-full ul li:nth-child(4):before { background-color: var(--error-color); }

.info-container-full h3 + ul li:before {
    background-color: var(--purple-color);
    border-radius: 50%;
}

/* ============================================
   AD CONTAINER
   ============================================ */
.ad-container {
    background-color: transparent;
    box-shadow: none;
    padding: 20px 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer-row-1 {
    padding: 30px 0;
    background-color: var(--footer-bg);
    color: var(--footer-text);
    width: 100%;
    transition: background-color var(--transition-speed);
}

.footer-wrapper {
    display: flex;
    flex-wrap: wrap;
}

.footer-col {
    flex: 1;
    padding: 15px;
    min-width: 250px;
}

.footer-col-1 {
    background-color: #37474f;
    text-align: left;
}

.footer-col-2 {
    background-color: #455a64;
    text-align: center;
}

.footer-col-3 {
    background-color: #546e7a;
    text-align: right;
}

.footer-row-2 {
    padding: 15px 0;
    background-color: #1a1a1a;
    color: var(--footer-text);
    text-align: center;
    width: 100%;
}

.footer-container {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 40px 0 20px;
    margin-top: 40px;
    align-items: center;
    transition: background-color var(--transition-speed);
}

.footer-content {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-columns {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 20px;
}

.footer-column {
    flex: 0 1 300px;
    min-width: 240px;
    margin: 0 15px 20px;
}

.footer-column h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column li {
    margin-bottom: 8px;
}

.footer-column a {
    color: var(--footer-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.footer-menu {
    margin-bottom: 10px;
}

.footer-menu a {
    margin: 0 10px;
    color: var(--footer-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 15px;
    color: var(--footer-muted);
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* ============================================
   SELECTION
   ============================================ */
::selection {
    background: rgba(52, 152, 219, 0.2);
    color: var(--text-primary);
}

[data-theme="dark"] ::selection {
    background: rgba(96, 165, 250, 0.3);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.editor-section,
.results-section {
    animation: fadeIn 0.4s ease;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */
@media screen and (max-width: 992px) {
    body {
        font-size: 15px;
    }
    
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    
    .container {
        padding: 0 10px;
    }
    
    .content-col-1, .content-col-2 {
        min-width: 250px;
    }
}

@media screen and (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.3rem; }
    
    .header-row {
        flex-direction: column;
        align-items: center;
    }
    
    .menu-column {
        margin-top: 15px;
    }
    
    .main-nav li {
        margin: 0 10px;
    }
    
    .content-wrapper,
    .footer-wrapper {
        flex-direction: column;
    }
    
    .header-col-1, .header-col-2, .content-col-1, .content-col-2, .footer-col {
        width: 100%;
    }
    
    .header-col-1 {
        margin-bottom: 15px;
    }
    
    .content-col-2 {
        text-align: left;
    }
    
    .footer-col-2, .footer-col-3 {
        text-align: left;
    }
    
    .footer-columns {
        flex-direction: column;
    }
    
    .footer-column {
        width: 100%;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    /* Tool Container */
    .tool-container {
        padding: 1rem;
    }
    
    .tool-title-row {
        flex-direction: row;
        gap: 0.75rem;
    }
    
    .tool-icon-wrapper {
        width: 48px;
        height: 48px;
    }
    
    .tool-icon-wrapper svg,
    .tool-icon-wrapper i {
        width: 24px;
        height: 24px;
    }
    
    .upload-section,
    .results-section {
        padding: 2rem 1.5rem;
    }
    
    .upload-area {
        padding: 2.5rem 1.5rem;
    }
    
    .preview-section,
    .settings-panel {
        padding: 1.5rem;
    }
    
    .action-bar {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .files-header {
        padding: 1rem 1.5rem;
    }
    
    .results-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-arrow {
        transform: rotate(90deg);
    }
    
    .comparison-view.side-view {
        grid-template-columns: 1fr;
    }
    
    .related-tools {
        flex-direction: column;
        text-align: center;
    }
    
    .related-links {
        justify-content: center;
    }
    
    .algo-explain {
        flex-direction: column;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .scale-options {
        justify-content: center;
    }
    
    .scale-option {
        flex: 0 0 calc(50% - 0.5rem);
    }
    
    .algorithm-option {
        flex-wrap: wrap;
    }
    
    .format-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .format-select {
        min-width: auto;
    }
    
    .quality-control {
        justify-content: space-between;
    }
    
    /* File Stats */
    .file-stats {
        flex-direction: column;
    }
    
    .file-stats div {
        padding: 10px 0;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .file-stats div:last-child {
        border-bottom: none;
    }
    
    .button-group {
        flex-direction: column;
        gap: 10px;
    }
    
    button, .button, .download-button {
        width: 100%;
    }
    
    /* Stats */
    .stat-item,
    .stat-card {
        flex-direction: column;
        gap: 10px;
    }
    
    .stat-icon {
        width: 36px;
        height: 36px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    /* Info Container Full */
    .info-container-full {
        padding: 1.25rem 1.25rem 1.5rem;
    }
    
    .info-container-full h2 {
        font-size: 1.1rem;
        gap: 0.5rem;
    }
    
    .info-container-full h3 {
        font-size: 0.95rem;
    }
    
    .info-container-full ol li {
        padding-left: 40px;
    }
    
    .info-container-full ol li:before {
        width: 25px;
        height: 25px;
        font-size: 14px;
    }
    
    .info-container-full ul li {
        padding-left: 22px;
    }
    
    .info-container-full ul li:before {
        width: 10px;
        height: 10px;
    }
    
    /* Info Card */
    .info-card {
        padding: 1.5rem;
    }
    
    .info-card h2 {
        font-size: 1.2rem;
    }
    
    /* Steps List */
    .steps-list li {
        padding-left: 3rem;
        font-size: 0.9rem;
    }
    
    .steps-list li::before {
        width: 1.75rem;
        height: 1.75rem;
        font-size: 0.8rem;
    }
    
    .steps-list li:not(:last-child)::after {
        left: calc(0.875rem - 1px);
    }
    
    .steps-tip {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    /* Option Rows */
    .option-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .option-row label {
        margin-bottom: 8px;
        min-width: auto;
        width: 100%;
    }
    
    .styled-dropdown {
        width: 100%;
    }
    
    /* Feedback Tooltip */
    .feedback-tooltip {
        width: calc(100% - 30px);
        max-width: 200px;
        bottom: 15px;
        right: 15px;
    }

    #close-tooltip {
        position: absolute;
        top: 15px;
        right: 15px;
    }
    
    .tooltip-header {
        padding-right: 25px;
    }
    
    /* Announcement */
    .announcement-box {
        flex-direction: column;
        gap: 10px;
    }
    
    .announcement-icon {
        width: 36px;
        height: 36px;
    }
    
    .announcement-icon svg {
        width: 18px;
        height: 18px;
    }
    
    /* Size Card Compact */
    .size-card-compact .size-row h2 {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .size-card-compact .size-row-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media screen and (max-width: 576px) {
    .iconblock, .archiveblock {
        padding: 12px 15px;
    }
    
    .info span {
        height: 36px;
        width: 36px;
        margin-right: 10px;
    }
    
    .info h5 {
        font-size: 18px;
    }
    
    .info p {
        font-size: 12px;
    }
    
    .download a {
        height: 44px;
        width: 44px;
    }
    
    .iconblock .remove,
    .archiveblock .remove {
        padding: 2px 4px;
        font-size: 10px;
    }
    
    .show_button {
        width: 100%;
        font-size: 12px;
        padding: 8px 15px;
    }
}

@media screen and (max-width: 480px) {
    body {
        font-size: 13px;
    }
    
    h1 { font-size: 1.4rem; }
    h2 { font-size: 1.2rem; }
    h3 { font-size: 1rem; }
    
    .container {
        padding: 0 8px;
    }
    
    .header-col-1, .header-col-2, .content-col-1, .content-col-2, .footer-col {
        padding: 10px;
    }
    
    .ad-row {
        padding: 10px 0;
    }
    
    .content-row-1, .content-row-2 {
        padding: 10px 0;
    }
    
    .footer-row-1 {
        padding: 15px 0;
    }
    
    .tool-title {
        font-size: 1.5rem;
    }
    
    .files-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    .image-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .scale-option {
        flex: 0 0 calc(50% - 0.375rem);
    }
    
    .comparison-header {
        flex-direction: column;
    }
    
    .view-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Steps List */
    .steps-list li {
        padding-left: 2.5rem;
    }
    
    .steps-list li::before {
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.75rem;
    }
    
    .steps-list li:not(:last-child)::after {
        left: calc(0.75rem - 1px);
    }
    
    /* Size Card Compact */
    .size-card-compact {
        padding: 0.875rem 1rem;
    }
    
    .size-card-compact .chip-box {
        padding: 0.3rem 0.5rem;
        font-size: 0.8rem;
    }
}

@media screen and (max-width: 320px) {
    body {
        font-size: 12px;
    }
    
    h1 {
        font-size: 1.3rem;
    }
    
    .container {
        padding: 0 5px;
    }
    
    .header-col-1, .header-col-2, .content-col-1, .content-col-2, .footer-col {
        padding: 8px;
    }
}

/* ============================================
   REDUCED MOTION PREFERENCE
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .stat-item::after,
    .stat-card::after,
    .announcement-box::after {
        display: none;
    }
    
    .stat-item:hover,
    .stat-card:hover,
    .announcement-box:hover {
        box-shadow: none;
    }
    
    button:hover,
    .button:hover,
    .download-button:hover {
        transform: none;
    }
}

/* ============================================
   1. CONTAINER WIDTH ADJUSTMENTS BY SCREEN SIZE
   ============================================ */

/* Extra Large screens (1600px+) - Full width, plenty of room */
@media screen and (min-width: 1600px) {
    .content-row-1 .container,
    .content-row-2 .container {
        max-width: 1000px;
    }
}

/* Large screens (1400-1599px) - Still comfortable */
@media screen and (min-width: 1400px) and (max-width: 1599px) {
    .content-row-1 .container,
    .content-row-2 .container {
        max-width: 950px;
    }
}

/* Medium-Large screens (1200-1399px) - Start shrinking for 160px banners */
@media screen and (min-width: 1200px) and (max-width: 1399px) {
    .content-row-1 .container,
    .content-row-2 .container {
        max-width: min(850px, calc(100vw - 340px));
    }
    
    .dropzone {
        min-height: 210px;
        padding: 2.5rem 1.5rem;
    }
    
    .dropzone .dz-message h4 {
        font-size: 1.35rem;
    }
}

/* Medium screens (1001-1199px) - Aggressive shrinking for side banners */
@media screen and (min-width: 1001px) and (max-width: 1199px) {
    .content-row-1 .container,
    .content-row-2 .container {
        max-width: calc(100vw - 300px);
        min-width: 420px;
        padding: 0 15px;
    }
    
    /* Dropzone adjustments */
    .dropzone {
        min-height: 180px;
        padding: 2rem 1.25rem;
    }
    
    .dropzone .dz-message h4 {
        font-size: 1.2rem;
    }
    
    .dropzone .dz-message p {
        font-size: 0.9rem;
        margin-bottom: 0.75rem;
    }
    
    .dropzone .dz-message::before {
        width: 42px;
        height: 42px;
        margin-bottom: 1rem;
        -webkit-mask-size: 42px 42px;
        mask-size: 42px 42px;
    }
    
    /* Info cards */
    .info-card {
        padding: 1.25rem;
    }
    
    .info-card h2 {
        font-size: 1.1rem;
        gap: 0.5rem;
    }
    
    .info-card h2 svg,
    .info-card h2 i {
        width: 20px;
        height: 20px;
    }
    
    /* Size selector */
    .size-card-compact {
        padding: 0.625rem 0.875rem;
    }
    
    .size-card-compact .size-row h2 {
        font-size: 0.85rem;
    }
    
    .size-chip .chip-box {
        padding: 0.2rem 0.4rem;
        font-size: 0.75rem;
    }
    
    .size-hint {
        font-size: 0.7rem;
    }
    
    .size-link-btn {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }
    
    /* Steps list */
    .steps-list li {
        padding-left: 2.5rem;
        font-size: 0.875rem;
    }
    
    .steps-list li::before {
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.75rem;
    }
    
    .steps-list li:not(:last-child)::after {
        left: calc(0.75rem - 1px);
    }
    
    .steps-tip {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    
    /* FAQ */
    .faq-question {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    .faq-answer p {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    /* Options row */
    .options-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .url-convert-link {
        font-size: 0.8rem;
        padding: 0.25rem 0.6rem;
    }
    
    #public_icon_label {
        font-size: 0.85rem;
    }
    
    /* Conversion recommendations */
    .conversion-recommendations p {
        font-size: 0.85rem;
    }
    
    .conversion-recommendations a {
        padding: 0.3rem 0.6rem;
        font-size: 0.75rem;
    }
}

/* ============================================
   2. TABLET & BELOW - HIDE BANNERS, FULL WIDTH
   ============================================ */

@media screen and (max-width: 1000px) {
    .content-row-1 .container,
    .content-row-2 .container {
        max-width: 100%;
        padding: 0 20px;
    }
    
    /* Hide any lateral/sidebar ad containers */
    .lateral-ad-left,
    .lateral-ad-right,
    .sidebar-ad-left,
    .sidebar-ad-right,
    .side-banner-left,
    .side-banner-right,
    [class*="lateral-banner"],
    [class*="sidebar-banner"],
    [class*="side-ad"] {
        display: none !important;
    }
}

@media screen and (max-width: 768px) {
    .content-row-1 .container,
    .content-row-2 .container {
        padding: 0 15px;
    }
}

@media screen and (max-width: 480px) {
    .content-row-1 .container,
    .content-row-2 .container {
        padding: 0 10px;
    }
}

/* ============================================
   3. CONVERTER-BOX ALWAYS FLEXIBLE
   ============================================ */

.converter-box {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

#results {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.iconblock,
.archiveblock {
    max-width: 100%;
    box-sizing: border-box;
}

/* ============================================
   4. ALTERNATIVE: CSS CUSTOM PROPERTY APPROACH
   ============================================
   
   Use this if you want JavaScript control.
   Add class to body based on detected banners:
   
   - body.has-banners-160  (dual 160px skyscrapers)
   - body.has-banners-300  (dual 300px wide skyscrapers)
   - body.has-banner-left  (single left banner)
   - body.has-banner-right (single right banner)
   
*/

:root {
    --banner-space: 0px;
}

body.has-banners-160 {
    --banner-space: 400px; /* (160 + 20) * 2 + buffer */
}

body.has-banners-300 {
    --banner-space: 700px; /* (300 + 20) * 2 + buffer */
}

body.has-banner-left {
    --banner-space: 200px;
}

body.has-banner-right {
    --banner-space: 200px;
}

/* When banner classes are present, use dynamic width */
body[class*="has-banner"] .content-row-1 .container,
body[class*="has-banner"] .content-row-2 .container {
    max-width: min(1000px, calc(100vw - var(--banner-space)));
}

/* ============================================
   5. FLEXBOX LAYOUT FOR EXPLICIT BANNER COLUMNS
   ============================================
   
   If you want to restructure your HTML to use
   a 3-column layout with explicit banner areas:
   
   <div class="page-layout">
       <aside class="banner-column left">...</aside>
       <main class="main-content">...</main>
       <aside class="banner-column right">...</aside>
   </div>
   
*/

.page-layout {
    display: flex;
    justify-content: center;
    gap: 20px;
    max-width: 100%;
    padding: 0 20px;
}

.banner-column {
    flex: 0 0 160px;
    min-height: 600px;
    position: sticky;
    top: 20px;
    align-self: flex-start;
}

.banner-column.wide {
    flex: 0 0 300px;
}

.page-layout .main-content {
    flex: 1 1 auto;
    max-width: 1000px;
    min-width: 320px;
}

/* Hide banner columns on smaller screens */
@media screen and (max-width: 1200px) {
    .banner-column {
        display: none;
    }
    
    .page-layout .main-content {
        max-width: 100%;
    }
    
    .page-layout {
        padding: 0 15px;
    }
}

/* ============================================
   6. PRINT STYLES - ALWAYS FULL WIDTH
   ============================================ */

@media print {
    .content-row-1 .container,
    .content-row-2 .container {
        max-width: 100% !important;
    }
    
    .banner-column,
    .lateral-ad-left,
    .lateral-ad-right,
    [class*="banner"],
    [class*="ad-"] {
        display: none !important;
    }
}

/* ============================================
   THEME TOGGLE - prevent global button overrides
   ============================================ */
.theme-toggle,
.theme-toggle:hover,
.theme-toggle:focus,
.theme-toggle:active {
    background-color: unset;
    transform: none !important;
    box-shadow: none !important;
    color: unset;
}