/* ============================================ 1. CSS CUSTOM PROPERTIES ============================================ */ :root { --primary: #2196F3; --primary-dark: #1976d2; --primary-light: #64b5f6; --light-blue: #e3f2fd; --white: #ffffff; --gray-50: #fafafa; --gray-100: #f8f9fa; --gray-200: #e9ecef; --gray-300: #dee2e6; --gray-400: #ced4da; --gray-500: #adb5bd; --gray-600: #6c757d; --gray-700: #495057; --gray-800: #343a40; --gray-900: #212529; --success: #28a745; --danger: #dc3545; --warning: #ffc107; /* ✅ Removed unused --info variable */ --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24); --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1); --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15); --border-radius: 8px; --border-radius-lg: 12px; --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); } /* ============================================ 2. RESET & BASE ✅ Removed duplicate — also defined inline in Only non-critical base styles live here ============================================ */ html { font-size: 16px; scroll-behavior: smooth; } /* ============================================ 3. ACCESSIBILITY UTILITIES ============================================ */ .skip-to-content { position: absolute; top: -40px; left: 6px; background: var(--primary); color: var(--white); padding: 8px; text-decoration: none; border-radius: 4px; z-index: 1000; transition: top 0.2s; } .skip-to-content:focus { top: 6px; } .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; } /* ============================================ 4. LAYOUT — CONTAINER ============================================ */ .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; } /* ============================================ 5. HEADER & NAVIGATION ============================================ */ .site-header { background: var(--white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; } .navbar { padding: 1rem 0; } .navbar .container { display: flex; justify-content: space-between; align-items: center; } .logo { font-size: 1.5rem; font-weight: 700; color: var(--primary); text-decoration: none; display: flex; align-items: center; gap: 0.5rem; transition: var(--transition); } .logo:hover { color: var(--primary-dark); transform: translateY(-1px); } .logo-icon { font-size: 1.75rem; } .logo-accent { color: var(--gray-700); } .nav-links { display: flex; list-style: none; gap: 2rem; } .nav-links a { color: var(--gray-700); text-decoration: none; font-weight: 500; padding: 0.5rem 1rem; border-radius: var(--border-radius); transition: var(--transition); } .nav-links a:hover, .nav-links a.active, .nav-links a[aria-current="page"] { color: var(--primary); background: var(--light-blue); } /* ============================================ 6. MAIN CONTENT WRAPPER ============================================ */ .main-container { flex: 1; padding: 2rem 0; } /* ============================================ 7. HERO SECTION ============================================ */ .hero-section { text-align: center; margin-bottom: 3rem; } .hero-title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; color: var(--gray-900); margin-bottom: 1rem; line-height: 1.2; } .hero-subtitle { font-size: 1.25rem; color: var(--gray-600); margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; } /* ============================================ 8. BREADCRUMB ============================================ */ .breadcrumb { margin-bottom: 2rem; } .breadcrumb ol { display: flex; list-style: none; gap: 0.5rem; justify-content: center; color: var(--gray-500); font-size: 0.875rem; } .breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 0.5rem; color: var(--gray-400); } .breadcrumb a { color: var(--primary); text-decoration: none; } .breadcrumb a:hover { text-decoration: underline; } /* ============================================ 9. UPLOAD / DROP ZONE SECTION ============================================ */ .upload-section { max-width: 600px; margin: 0 auto 4rem; } .drop-zone { border: 2px dashed var(--gray-300); border-radius: var(--border-radius-lg); padding: 3rem 2rem; text-align: center; cursor: pointer; transition: var(--transition); margin-bottom: 2rem; background: var(--white); position: relative; overflow: hidden; } .drop-zone::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.1), transparent); transition: left 0.5s; } .drop-zone:hover, .drop-zone.dragover, .drop-zone:focus { border-color: var(--primary); background: var(--light-blue); transform: translateY(-2px); box-shadow: var(--shadow-lg); } .drop-zone:hover::before, .drop-zone:focus::before { left: 100%; } .drop-zone-content { position: relative; z-index: 1; } .upload-icon { font-size: 3rem; margin-bottom: 1rem; } .drop-zone-text { font-size: 1.125rem; font-weight: 600; color: var(--gray-800); margin-bottom: 0.5rem; } .drop-zone-subtext { color: var(--gray-500); font-size: 0.875rem; } .file-input { display: none; } /* ============================================ 10. FILE INFO INPUTS ============================================ */ .file-info { margin: 2rem 0; } .input-group { margin-bottom: 1.5rem; } .input-label { display: block; font-weight: 600; color: var(--gray-700); margin-bottom: 0.5rem; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; } .input-group input { width: 100%; padding: 0.75rem 1rem; border: 2px solid var(--gray-300); border-radius: var(--border-radius); font-size: 1rem; background: var(--white); transition: var(--transition); color: var(--gray-800); } .input-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1); } .input-group input:read-only { background: var(--gray-100); color: var(--gray-600); cursor: default; } /* ============================================ 11. DOWNLOAD BUTTON ============================================ */ .download-btn { width: 100%; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); border: none; padding: 1rem 2rem; font-size: 1.125rem; font-weight: 600; border-radius: var(--border-radius); cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 0.5rem; position: relative; overflow: hidden; } .download-btn::before { content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0; background: rgba(255, 255, 255, 0.2); border-radius: 50%; transform: translate(-50%, -50%); transition: width 0.6s, height 0.6s; } .download-btn:hover:not(:disabled)::before { width: 300px; height: 300px; } .download-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow-lg); } .download-btn:disabled { background: var(--gray-400); cursor: not-allowed; transform: none; box-shadow: none; } .btn-icon { font-size: 1.25rem; } .disclaimer { font-size: 0.875rem; color: var(--gray-500); text-align: center; margin-top: 1rem; line-height: 1.5; } /* ============================================ 12. SHARED SECTION TITLE ============================================ */ .section-title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; text-align: center; color: var(--gray-900); margin-bottom: 3rem; } /* ============================================ 13. FEATURES SECTION ============================================ */ .features-section { padding: 4rem 0; background: var(--white); } .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; } .feature-card { text-align: center; padding: 2rem; border-radius: var(--border-radius-lg); background: var(--gray-50); transition: var(--transition); border: 1px solid var(--gray-200); } .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); } .feature-icon { font-size: 3rem; margin-bottom: 1rem; } .feature-title { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin-bottom: 1rem; } .feature-description { color: var(--gray-600); line-height: 1.6; } /* ============================================ 14. HOW IT WORKS SECTION ============================================ */ .how-it-works { padding: 4rem 0; background: var(--gray-50); } .steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; } .step { text-align: center; position: relative; } .step-number { width: 4rem; height: 4rem; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; margin: 0 auto 1rem; box-shadow: var(--shadow-md); } .step-title { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; } .step-description { color: var(--gray-600); } /* ============================================ 15. FORMATS SECTION ============================================ */ .formats-section { padding: 4rem 0; background: var(--white); } .formats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; } .format-category { padding: 1.5rem; border-radius: var(--border-radius); border: 1px solid var(--gray-200); background: var(--gray-50); } .category-title { font-size: 1.125rem; font-weight: 700; color: var(--primary); margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--light-blue); } .format-list { list-style: none; color: var(--gray-600); } .format-list li { padding: 0.25rem 0; font-family: 'Courier New', monospace; font-size: 0.875rem; } .formats-note { text-align: center; font-style: italic; color: var(--gray-500); font-size: 1.125rem; } /* Author Box */ .author-box { padding: 2.5rem 0; background: var(--gray-50); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); } .author-inner { display: flex; align-items: flex-start; gap: 1.5rem; max-width: 750px; } .author-avatar { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 3px solid var(--primary); } .author-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gray-500); margin-bottom: 0.25rem; } .author-name { font-size: 1.1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; } .author-bio { font-size: 0.9rem; color: var(--gray-600); line-height: 1.65; margin-bottom: 0.75rem; } .author-links { display: flex; gap: 1rem; flex-wrap: wrap; } .author-link { font-size: 0.85rem; font-weight: 600; color: var(--primary); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.2s; } .author-link:hover { border-bottom-color: var(--primary); } @media (max-width: 520px) { .author-inner { flex-direction: column; align-items: center; text-align: center; } .author-links { justify-content: center; } } /* ============================================ 16. FOOTER ============================================ */ .site-footer { background: var(--gray-900); color: var(--gray-200); padding: 3rem 0 1rem; margin-top: auto; } .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; } .footer-section h3, .footer-section h4 { margin-bottom: 1rem; } .footer-title { color: var(--white); font-size: 1.25rem; } .footer-subtitle { color: var(--white); font-size: 1rem; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; } .footer-description { color: var(--gray-400); line-height: 1.6; margin-bottom: 1rem; } .footer-links { list-style: none; } .footer-links li { margin-bottom: 0.5rem; } .footer-links a { color: var(--gray-300); text-decoration: none; transition: var(--transition); } .footer-links a:hover { color: var(--primary-light); text-decoration: underline; } /* ============================================ 17. LANGUAGE SWITCHER ============================================ */ .language-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; } .language-column { display: flex; flex-direction: column; gap: 0.5rem; } .language-link { color: var(--gray-300); text-decoration: none; padding: 0.4rem 0.6rem; border-radius: var(--border-radius); transition: var(--transition); font-size: 0.875rem; text-align: center; display: block; } .language-link:hover, .language-link.active { color: var(--white); background: var(--primary); transform: translateX(2px); } /* ============================================ 18. FOOTER BOTTOM BAR ============================================ */ .footer-bottom { border-top: 1px solid var(--gray-700); padding-top: 1rem; text-align: center; } .copyright { color: var(--gray-400); font-size: 0.875rem; } /* ============================================ 19. NOTIFICATION TOAST ✅ Moved from JS inline styles to CSS ============================================ */ .notification { position: fixed; top: 20px; right: 20px; color: var(--white); padding: 1rem 1.5rem; border-radius: var(--border-radius); z-index: 10000; box-shadow: var(--shadow-lg); font-weight: 500; max-width: 300px; word-wrap: break-word; opacity: 0; transform: translateX(110%); transition: var(--transition); display: flex; align-items: flex-start; gap: 0.5rem; } .notification--visible { opacity: 1; transform: translateX(0); } .notification--success { background: var(--success); } .notification--error { background: var(--danger); } .notification--info { background: #17a2b8; } .notification__close { background: none; border: none; color: var(--white); font-size: 1.2rem; cursor: pointer; margin-left: auto; line-height: 1; padding: 0; flex-shrink: 0; } .notification__close:hover { opacity: 0.8; } /* ============================================ 20. RESPONSIVE — TABLET (max 992px) ============================================ */ @media (max-width: 992px) { .language-grid { grid-template-columns: repeat(2, 1fr); } .language-column:last-child { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; } } /* ============================================ 21. RESPONSIVE — MOBILE (max 768px) ✅ MERGED: Was two separate duplicate blocks ============================================ */ @media (max-width: 768px) { /* Layout */ .container { padding: 0 1rem; } /* Navigation */ .nav-links { gap: 1rem; } .nav-links a { padding: 0.25rem 0.5rem; font-size: 0.875rem; } /* Upload */ .drop-zone { padding: 2rem 1rem; } /* Steps arrow — hidden on mobile */ .step:not(:last-child)::after { display: none; } /* Footer */ .footer-content { grid-template-columns: 1fr; gap: 2rem; } /* Language grid */ .language-grid { grid-template-columns: 1fr; } .language-column { align-items: center; } .language-column:last-child { display: flex; flex-direction: column; gap: 0.5rem; } /* Notifications */ .notification { top: auto; bottom: 20px; right: 1rem; left: 1rem; max-width: 100%; transform: translateY(120%); } .notification--visible { transform: translateY(0); } } /* ============================================ 22. RESPONSIVE — DESKTOP (min 769px) ============================================ */ @media (min-width: 769px) { .step:not(:last-child)::after { content: "→"; position: absolute; top: 2rem; right: -1rem; font-size: 2rem; color: var(--primary); display: block; } } /* ============================================ 23. DARK MODE ✅ Fixed: body uses --gray-100 consistently ============================================ */ @media (prefers-color-scheme: dark) { :root { --gray-50: #1a1a1a; --gray-100: #2d2d2d; --gray-200: #3d3d3d; --gray-300: #555555; --white: #1e1e1e; --gray-900: #f0f0f0; --gray-800: #e0e0e0; --gray-700: #cccccc; --gray-600: #aaaaaa; } } /* ============================================ 24. ACCESSIBILITY — REDUCED MOTION ============================================ */ @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; } } /* ============================================ 25. ACCESSIBILITY — HIGH CONTRAST ============================================ */ @media (prefers-contrast: high) { .drop-zone { border-width: 3px; } .input-group input:focus { box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.4); } .download-btn:not(:disabled) { border: 2px solid var(--white); } }