/* ============================================================
   ChordLanka — Ultimate Guitar dark theme (site chrome)
   Chord viewer stays LIGHT by default; toggled per-page.
   Mobile-first. Touch targets ≥44px. No horizontal overflow.
   ============================================================ */

:root {
  --ug-bg:          #1b1b1d;
  --ug-bg-2:        #161617;
  --ug-surface:     #27272a;
  --ug-surface-2:   #2c2c30;
  --ug-border:      #3a3a3e;
  --ug-text:        #e8e8ea;
  --ug-muted:       #9a9a9f;
  --ug-accent:      #ff7800;
  --ug-accent-2:    #e64a19;
  --ug-success:     #4caf50;
  --ug-warn:        #ffb300;
}

/* ---------- Base ---------- */
html, body {
  background: var(--ug-bg);
  color: var(--ug-text);
}
body {
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { color: var(--ug-text); }

a { color: var(--ug-accent); text-decoration: none; }
a:hover, a:focus { color: var(--ug-accent-2); }

hr, .border-top, .border-bottom {
  border-color: var(--ug-border) !important;
}

/* Bootstrap utility text classes — re-mapped for dark */
.text-dark      { color: var(--ug-text)  !important; }
.text-muted     { color: var(--ug-muted) !important; }
.text-secondary { color: var(--ug-muted) !important; }
.text-danger    { color: var(--ug-accent) !important; }
.text-success   { color: var(--ug-success) !important; }
.text-light     { color: var(--ug-text)  !important; }

/* ---------- Navbar ---------- */
nav.navbar.bg-dark,
nav.navbar {
  background-color: var(--ug-bg-2) !important;
  border-bottom: 1px solid var(--ug-border);
}
.navbar-brand {
  color: var(--ug-text) !important;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.nav-user .btn-outline-light {
  border-color: var(--ug-border);
  color: var(--ug-text);
}
.nav-user .btn-outline-light:hover {
  background: var(--ug-accent);
  border-color: var(--ug-accent);
  color: #1b1b1d;
}

/* ---------- Top sub-nav (tab-style links) ---------- */
.container-lg .d-flex > a.text-secondary {
  color: var(--ug-text) !important;
  font-weight: 600;
  font-size: 0.88em;
  padding: 6px 4px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
  white-space: nowrap;
  line-height: 1.2;
}
.container-lg .d-flex > a.text-secondary:hover,
.container-lg .d-flex > a.text-secondary:focus {
  color: var(--ug-accent) !important;
  border-bottom-color: var(--ug-accent);
}

/* A–Z letter pills (Bootstrap btn-outline-* re-themed) */
.btn-outline-danger {
  --bs-btn-color:               var(--ug-accent);
  --bs-btn-border-color:        var(--ug-border);
  --bs-btn-hover-bg:            var(--ug-accent);
  --bs-btn-hover-border-color:  var(--ug-accent);
  --bs-btn-hover-color:         #1b1b1d;
  --bs-btn-active-bg:           var(--ug-accent);
  --bs-btn-active-border-color: var(--ug-accent);
  --bs-btn-active-color:        #1b1b1d;
  --bs-btn-disabled-color:      var(--ug-muted);
  --bs-btn-disabled-border-color: var(--ug-border);
}
.btn-outline-secondary {
  --bs-btn-color:               var(--ug-muted);
  --bs-btn-border-color:        var(--ug-border);
  --bs-btn-hover-bg:            var(--ug-surface-2);
  --bs-btn-hover-border-color:  var(--ug-border);
  --bs-btn-hover-color:         var(--ug-text);
  --bs-btn-active-bg:           var(--ug-surface-2);
  --bs-btn-active-border-color: var(--ug-border);
  --bs-btn-active-color:        var(--ug-text);
}
.btn-outline-dark {
  --bs-btn-color:               var(--ug-text);
  --bs-btn-border-color:        var(--ug-border);
  --bs-btn-hover-bg:            var(--ug-surface-2);
  --bs-btn-hover-border-color:  var(--ug-border);
  --bs-btn-hover-color:         var(--ug-text);
  --bs-btn-active-bg:           var(--ug-surface-2);
  --bs-btn-active-border-color: var(--ug-border);
  --bs-btn-active-color:        var(--ug-text);
}
.btn-outline-primary {
  --bs-btn-color:               var(--ug-accent);
  --bs-btn-border-color:        var(--ug-accent);
  --bs-btn-hover-bg:            var(--ug-accent);
  --bs-btn-hover-border-color:  var(--ug-accent);
  --bs-btn-hover-color:         #1b1b1d;
  --bs-btn-active-bg:           var(--ug-accent);
  --bs-btn-active-border-color: var(--ug-accent);
  --bs-btn-active-color:        #1b1b1d;
}
.btn-danger {
  --bs-btn-color:               #1b1b1d;
  --bs-btn-bg:                  var(--ug-accent);
  --bs-btn-border-color:        var(--ug-accent);
  --bs-btn-hover-bg:            var(--ug-accent-2);
  --bs-btn-hover-border-color:  var(--ug-accent-2);
  --bs-btn-hover-color:         #fff;
  --bs-btn-active-bg:           var(--ug-accent-2);
  --bs-btn-active-border-color: var(--ug-accent-2);
  --bs-btn-active-color:        #fff;
}
.btn-secondary {
  --bs-btn-color:               var(--ug-text);
  --bs-btn-bg:                  var(--ug-surface-2);
  --bs-btn-border-color:        var(--ug-border);
  --bs-btn-hover-bg:            var(--ug-border);
  --bs-btn-hover-border-color:  var(--ug-border);
  --bs-btn-hover-color:         var(--ug-text);
  --bs-btn-active-bg:           var(--ug-border);
  --bs-btn-active-border-color: var(--ug-border);
  --bs-btn-active-color:        var(--ug-text);
}

/* Touch targets — mobile-first: aim ≥44px for primary actions, ≥38px for size-sm */
@media (max-width: 575.98px) {
  .btn { min-height: 44px; }
  .btn-sm { min-height: 38px; padding: 0.4rem 0.7rem; }
  .list-group-item { padding-top: 0.75rem; padding-bottom: 0.75rem; }
  /* A–Z letter strip: each pill comfortably tappable */
  .container-lg .btn-outline-danger.btn-sm,
  .container-lg .btn-outline-secondary.btn-sm { min-width: 38px; }
  /* Nav user buttons */
  .nav-user .btn-sm { min-height: 38px; }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  background: transparent;
  margin-bottom: 0;
}
.breadcrumb a { color: var(--ug-accent); }
.breadcrumb-item.active { color: var(--ug-muted); }
.breadcrumb-item + .breadcrumb-item::before { color: var(--ug-muted); }

/* ---------- Cards / lists ---------- */
.list-group { border-radius: 8px; overflow: hidden; }
.list-group-item {
  background: var(--ug-surface);
  border-color: var(--ug-border);
  color: var(--ug-text);
  transition: background-color .15s ease, color .15s ease;
}
.list-group-item:hover { background: var(--ug-surface-2); }
.list-group-item-action {
  color: var(--ug-text);
}
.list-group-item-action:hover,
.list-group-item-action:focus {
  background: var(--ug-surface-2);
  color: var(--ug-text);
}
.list-group-item-action.active,
.list-group-item.active {
  background: var(--ug-accent);
  border-color: var(--ug-accent);
  color: #1b1b1d;
}
.list-group-item-action.active .text-dark,
.list-group-item.active .text-dark { color: #1b1b1d !important; }

/* Badges on dark */
.badge.bg-secondary {
  background: var(--ug-surface-2) !important;
  color: var(--ug-muted);
  border: 1px solid var(--ug-border);
  font-weight: 500;
}
.badge.bg-danger {
  background: var(--ug-accent) !important;
  color: #1b1b1d;
}

/* ---------- Forms ---------- */
.form-control, .form-select {
  background: var(--ug-surface);
  border-color: var(--ug-border);
  color: var(--ug-text);
}
.form-control::placeholder { color: var(--ug-muted); }
.form-control:focus, .form-select:focus {
  background: var(--ug-surface);
  border-color: var(--ug-accent);
  color: var(--ug-text);
  box-shadow: 0 0 0 0.2rem rgba(255,120,0,0.18);
}
/* Prevent iOS auto-zoom on focus (font-size must be ≥16px) */
@media (max-width: 575.98px) {
  .navbar .form-control,
  .navbar .form-control-sm { font-size: 16px; }
}

/* ---------- Hamburger button ---------- */
.hamburger-btn {
  background: var(--ug-surface);
  border: 1px solid var(--ug-border);
  width: 38px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: background-color .15s ease, border-color .15s ease;
}
.hamburger-btn:hover, .hamburger-btn:focus {
  background: var(--ug-surface-2);
  border-color: var(--ug-accent);
}
.hamburger-icon,
.hamburger-icon::before,
.hamburger-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ug-text);
  border-radius: 2px;
  position: relative;
}
.hamburger-icon::before,
.hamburger-icon::after {
  content: "";
  position: absolute;
  left: 0;
}
.hamburger-icon::before { top: -6px; }
.hamburger-icon::after  { top:  6px; }
.hamburger-btn:hover .hamburger-icon,
.hamburger-btn:hover .hamburger-icon::before,
.hamburger-btn:hover .hamburger-icon::after { background: var(--ug-accent); }

/* ---------- Offcanvas main menu ---------- */
.offcanvas {
  background: var(--ug-bg-2);
  color: var(--ug-text);
  border-left: 1px solid var(--ug-border) !important;
  max-width: 320px;
}
.offcanvas-header {
  border-bottom: 1px solid var(--ug-border);
  padding: 14px 18px;
}
.offcanvas-title { font-weight: 700; }
.menu-section {
  padding: 8px 0 12px;
  border-bottom: 1px solid var(--ug-border);
}
.menu-section:last-child { border-bottom: none; }
.menu-heading {
  font-size: 0.72em;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ug-muted);
  padding: 8px 18px 6px;
}
.menu-link {
  display: block;
  padding: 12px 18px;
  color: var(--ug-text);
  font-size: 0.95em;
  font-weight: 500;
  text-decoration: none;
  transition: background-color .12s ease, color .12s ease;
  min-height: 44px;
}
.menu-link:hover, .menu-link:focus {
  background: var(--ug-surface-2);
  color: var(--ug-accent);
}
.menu-link-danger { color: var(--ug-accent) !important; }
.menu-link-danger:hover { background: rgba(255,120,0,0.12); }
.menu-link-accent { color: var(--ug-accent) !important; font-weight: 700; }
.menu-link-accent:hover { background: rgba(255,120,0,0.12); }

/* ---------- Modals ---------- */
.modal-content {
  background: var(--ug-surface);
  color: var(--ug-text);
  border: 1px solid var(--ug-border);
}
.modal-header, .modal-footer { border-color: var(--ug-border); }
.btn-close { filter: invert(1) grayscale(100%) brightness(2); }

/* ---------- Cards ---------- */
.card {
  background: var(--ug-surface);
  border: 1px solid var(--ug-border);
  color: var(--ug-text);
}
.card-header {
  background: var(--ug-surface-2);
  border-bottom-color: var(--ug-border);
  color: var(--ug-text);
}
.card-body { color: var(--ug-text); }
.card-body .text-muted { color: var(--ug-muted) !important; }
.card.border-danger {
  border-color: var(--ug-accent) !important;
}
.card.border-danger .card-header.text-danger {
  color: var(--ug-accent) !important;
}

/* list-group-flush sits inside cards — match surface, keep borders subtle */
.list-group-flush > .list-group-item {
  background: transparent;
  border-color: var(--ug-border);
}

/* Form labels visible on dark */
.form-label { color: var(--ug-text); }

/* Input-group buttons need to align with dark form-control border */
.input-group .form-control { background: var(--ug-surface); }

/* ---------- Alerts ---------- */
.alert-success {
  background: rgba(76, 175, 80, 0.12);
  border-color: rgba(76, 175, 80, 0.4);
  color: #7cc97f;
}
.alert-danger {
  background: rgba(255, 120, 0, 0.12);
  border-color: rgba(255, 120, 0, 0.45);
  color: var(--ug-accent);
}
.alert-warning {
  background: rgba(255, 179, 0, 0.12);
  border-color: rgba(255, 179, 0, 0.45);
  color: var(--ug-warn);
}
.alert-info {
  background: var(--ug-surface-2);
  border-color: var(--ug-border);
  color: var(--ug-text);
}

/* ---------- Footer ---------- */
footer.border-top {
  border-top-color: var(--ug-border) !important;
  background: var(--ug-bg-2);
}
footer .nav-link { color: var(--ug-muted) !important; font-size: 0.92em; }
footer .nav-link:hover { color: var(--ug-accent) !important; }
footer .border-bottom { border-bottom-color: var(--ug-border) !important; }

/* ============================================================
   Chord viewer scope — stays LIGHT by default.
   Inline rules in song_detail.html paint the sheet itself.
   Below we restore neutral controls inside it so they don't
   inherit the site-dark mappings above.
   ============================================================ */
#chord_div { color: #111; }
#chord_div .text-muted { color: #6c757d !important; }

/* Restore stock Bootstrap-ish look for controls inside the light sheet */
#chord_div .btn-outline-secondary {
  --bs-btn-color: #6c757d;
  --bs-btn-border-color: #ced4da;
  --bs-btn-hover-bg: #6c757d;
  --bs-btn-hover-border-color: #6c757d;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: #6c757d;
  --bs-btn-active-border-color: #6c757d;
  --bs-btn-active-color: #fff;
}
#chord_div .form-check-input {
  background-color: #fff;
  border-color: #ced4da;
}
#chord_div .form-check-input:checked {
  background-color: var(--ug-accent);
  border-color: var(--ug-accent);
}

/* Dark variant of the chord sheet — toggled by JS */
#chord_div.chord-dark { color: var(--ug-text); }
#chord_div.chord-dark .text-muted { color: var(--ug-muted) !important; }
#chord_div.chord-dark .btn-outline-secondary {
  --bs-btn-color: var(--ug-muted);
  --bs-btn-border-color: var(--ug-border);
  --bs-btn-hover-bg: var(--ug-surface-2);
  --bs-btn-hover-border-color: var(--ug-border);
  --bs-btn-hover-color: var(--ug-text);
  --bs-btn-active-bg: var(--ug-surface-2);
  --bs-btn-active-color: var(--ug-text);
}
#chord_div.chord-dark .form-check-input {
  background-color: #3a3a3e;
  border-color: #3a3a3e;
}
#chord_div.chord-dark .form-check-input:checked {
  background-color: var(--ug-accent);
  border-color: var(--ug-accent);
}

/* ---------- Chord text rendering (unchanged behavior) ---------- */
span.c {
  font-weight: 800;
  color: #1040b0;
  background: rgba(16, 64, 176, 0.11);
  border-radius: 3px;
  padding: 0 3px;
}

#chordTabContent pre {
  font-family: 'Roboto Mono', 'Courier New', Courier, monospace;
  font-size: inherit;
  margin-bottom: 0.5em;
  border: none;
  background: transparent;
  white-space: pre;
  overflow-x: auto;
}

@media (min-width: 992px) {
  .sticky-top { top: 10px !important; }
}

#chord_div { font-size: 17px; }
@media (max-width: 575.98px) {
  #chord_div { font-size: 16px; }
}