:root {
  --font-display: "Noto Serif", Georgia, serif;
  --font-body:    "Noto Serif", Georgia, "Times New Roman", serif;
  --font-pali:    "Noto Serif", Georgia, "Times New Roman", serif;

  --paper:        #fdf8f0;
  --paper-dark:   #f5ead5;
  --paper-darker: #ede0c4;
  --paper-edge:   #e0ccaa;

  --ink:          #2d1f0a;
  --ink-mid:      #4a3520;
  --ink-light:    #7a6040;
  --ink-faint:    #b8a88a;

  --gold:         #c9973a;
  --gold-light:   #e8c575;
  --gold-pale:    #f5e4b8;
  --gold-soft:    rgba(201,151,58,0.10);
  --gold-border:  rgba(201,151,58,0.35);

  --shadow-card:  0 24px 60px rgba(30,15,0,0.22), 0 4px 16px rgba(30,15,0,0.10);
  --shadow-panel: 0 16px 40px rgba(30,15,0,0.30), 0 2px 8px rgba(30,15,0,0.15);

  --pali-bg: transparent;
  --pali-fg: #1a0f00;
  --eng-bg:  transparent;
  --eng-fg:  #2d1f0a;
  --vie-bg:  transparent;
  --vie-fg:  #2a1800;

  --sutra-font-scale: 1;
  --sutra-line-height: 1.85;
  --visible-cols: 3;
  --panel-border: rgba(201,151,58,0.22);
  --panel-toggle-bg: rgba(253,248,240,0.85);
  --panel-toggle-hover-bg: rgba(253,248,240,0.95);
  --fab-color: var(--ink-light);
  --transition: 0.2s ease;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: #2a1f10;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 28px,
    rgba(255,255,255,0.012) 28px,
    rgba(255,255,255,0.012) 29px
  );
  color: var(--ink);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* ============================================================
   APP LAYOUT
   ============================================================ */
.app {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: stretch;
  padding: 10px;
}

.card {
  background: var(--paper);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E"),
    linear-gradient(160deg, #fdfaf3 0%, #fdf8f0 40%, #f9f2e4 100%);
  border-radius: 8px;
  border: 1px solid var(--paper-edge);
  box-shadow: var(--shadow-card);
  width: 100%;
  max-width: 980px;
  display: flex;
  flex-direction: column;
  padding: 0;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg,
    transparent 0%, var(--gold) 15%, var(--gold-light) 50%, var(--gold) 85%, transparent 100%
  );
  z-index: 2;
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent, var(--gold) 20%, var(--gold-light) 50%, var(--gold) 80%, transparent
  );
  z-index: 2;
}

/* ============================================================
   TOP NOTE
   ============================================================ */
.top-note {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 6px 48px 6px 16px;
  background: linear-gradient(180deg, var(--paper-dark) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--paper-edge);
}

.top-note-text {
  font-size: 11px;
  font-style: normal;
  font-weight: 400;
  color: #a07830;
  letter-spacing: .18em;
  text-shadow: 0 1px 3px rgba(180,120,20,0.15);
  text-align: center;
  pointer-events: none;
  user-select: none;
}

.top-note-left {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
}

.top-note-actions {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  flex: 0 0 auto;
  padding: 14px 24px 10px;
  border-bottom: 1px solid var(--paper-edge);
  text-align: center;
  position: relative;
}

.header::before {
  content: '❦';
  display: block;
  font-size: 14px;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 4px;
}

#title {
  margin: 0;
  font-family: var(--font-display);
  font-size: calc(0.95rem * var(--sutra-font-scale));
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#subtitle {
  margin-top: 2px;
  font-family: var(--font-body);
  font-size: calc(13px * var(--sutra-font-scale));
  font-style: italic;
  color: var(--ink-light);
  letter-spacing: .01em;
}

/* ============================================================
   GRID KINH
   ============================================================ */
#sutraGrid {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 14px 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  -webkit-overflow-scrolling: touch;
  background: var(--paper-dark);
}

#sutraGrid::-webkit-scrollbar { width: 7px; }
#sutraGrid::-webkit-scrollbar-track {
  background: var(--paper-dark);
  border-left: 1px solid var(--paper-edge);
}
#sutraGrid::-webkit-scrollbar-thumb {
  background: var(--gold-border);
  border-radius: 999px;
}
#sutraGrid::-webkit-scrollbar-thumb:hover { background: var(--gold); }

.sutra-row-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sutra-seg-key {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--ink-light);
  padding: 0 2px 4px 2px;
  user-select: none;
}

.sutra-row {
  display: grid;
  grid-template-columns: repeat(var(--visible-cols), 1fr);
  gap: 0;
  min-width: 0;
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(30,15,0,0.06);
  transition: box-shadow .15s ease;
}

.sutra-row:hover { box-shadow: 0 2px 8px rgba(30,15,0,0.08); }
.sutra-row.reading { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(201,151,58,0.25); }

.sutra-col {
  min-width: 0;
  word-break: break-word;
  overflow-wrap: break-word;
  border-right: 1px solid var(--paper-edge);
  display: flex;
  flex-direction: column;
}
.sutra-col:last-child { border-right: none; }

.sutra-col-header {
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 7px 16px 5px;
  border-bottom: 1px solid var(--paper-edge);
  background: var(--paper-dark);
  user-select: none;
  flex-shrink: 0;
}

.sutra-col-body {
  padding: 12px 16px 14px;
  flex: 1;
}

.pali-col { background-color: var(--pali-bg); color: var(--pali-fg); }
.eng-col  { background-color: var(--eng-bg);  color: var(--eng-fg); }
.vie-col  { background-color: var(--vie-bg);  color: var(--vie-fg); }

.pali {
  font-family: var(--font-pali);
  font-size: calc(14px * var(--sutra-font-scale));
  font-weight: 400;
  color: #1a0f00;
  line-height: var(--sutra-line-height);
}
.eng {
  font-family: var(--font-body);
  font-size: calc(14px * var(--sutra-font-scale));
  font-weight: 400;
  color: #2d1f0a;
  line-height: var(--sutra-line-height);
}
.vie {
  font-family: var(--font-body);
  font-size: calc(14px * var(--sutra-font-scale));
  font-weight: 400;
  color: #2a1800;
  line-height: var(--sutra-line-height);
}

.hide-pali .pali-col { display: none; }
.hide-eng  .eng-col  { display: none; }
.hide-vie  .vie-col  { display: none; }

.card.stack .sutra-row { grid-template-columns: 1fr !important; }
.card.stack .sutra-col { border-right: none; border-bottom: 1px solid var(--paper-edge); }
.card.stack .sutra-col:last-child { border-bottom: none; }

#sutraGrid.hide-eng.hide-vie .sutra-seg-key,
#sutraGrid.hide-pali.hide-vie .sutra-seg-key,
#sutraGrid.hide-pali.hide-eng .sutra-seg-key,
#sutraGrid.hide-eng.hide-vie .sutra-col-header,
#sutraGrid.hide-pali.hide-vie .sutra-col-header,
#sutraGrid.hide-pali.hide-eng .sutra-col-header { display: none; }

#sutraGrid.hide-eng.hide-vie .sutra-row,
#sutraGrid.hide-pali.hide-vie .sutra-row,
#sutraGrid.hide-pali.hide-eng .sutra-row { grid-template-columns: 1fr !important; }

#sutraGrid.hide-eng.hide-vie .pali-col,
#sutraGrid.hide-pali.hide-vie .eng-col,
#sutraGrid.hide-pali.hide-eng .vie-col { width: 100%; border-right: none; }

#sutraGrid.hide-eng.hide-vie .pali,
#sutraGrid.hide-pali.hide-vie .eng,
#sutraGrid.hide-pali.hide-eng .vie { line-height: 1.95; }

/* ============================================================
   BOTTOM CONTROLS
   ============================================================ */
.bottom-controls {
  background: rgba(253, 248, 240, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(201,151,58,0.22);
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px 8px;
  gap: 10px;
  background: transparent;
}

.footer-nav .btn-circle,
.footer-nav .btn-nav {
  width: 40px;
  height: 40px;
}

.footer-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px 8px;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}
.footer-divider::before,
.footer-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(180,140,60,0.2) 40%,
    rgba(180,140,60,0.2) 60%,
    transparent);
}
.footer-divider span {
  color: var(--gold);
  font-size: 10px;
  padding: 0 8px;
  opacity: .45;
}

/* Nút điều hướng ← → */
.btn-nav {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--ink-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition:
    color .15s ease,
    background .15s ease,
    transform .08s ease,
    opacity .15s ease;
}
.btn-nav:disabled {
  opacity: .18;
  cursor: default;
}
.btn-nav:not(:disabled):hover {
  color: var(--paper);
  background: var(--gold);
  box-shadow: 0 2px 10px rgba(201,151,58,0.35);
}
.btn-nav:not(:disabled):active { transform: scale(0.88); }
.btn-nav:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* Nút tròn chung */
.btn-circle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--ink-light);
  transition: background .1s, border-color .1s, transform .08s;
}
.btn-circle:hover {
  background: rgba(201,151,58,0.06);
  border-color: rgba(201,151,58,0.22);
}
.btn-circle:active { transform: scale(0.95); }
.btn-circle:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-circle.active {
  background: var(--gold);
  color: var(--paper);
  border-color: var(--gold);
  box-shadow: 0 2px 8px rgba(201,151,58,0.4);
}

.btn-flag svg { width: 18px; height: 18px; display: block; }

/* Back to top */
#btnBackTop {
  position: absolute;
  bottom: 70px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--gold-border);
  background: var(--paper);
  color: var(--ink-light);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(30,15,0,0.15);
  z-index: 15;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, background .1s, color .1s;
}
#btnBackTop.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
#btnBackTop:hover {
  background: var(--gold);
  color: var(--paper);
  border-color: var(--gold);
}
#btnBackTop:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ============================================================
   PANELS
   ============================================================ */
.panel {
  position: absolute;
  left: 12px;
  bottom: 50px;
  min-width: 235px;
  max-width: 285px;
  max-height: 62vh;
  overflow: auto;
  background: var(--paper);
  background-image: linear-gradient(160deg, #fdfaf3 0%, var(--paper) 100%);
  border-radius: 6px;
  border: 1px solid var(--paper-edge);
  box-shadow: var(--shadow-panel), inset 0 0 0 1px rgba(201,151,58,0.08);
  padding: 10px 12px;
  font-size: 12px;
  font-family: var(--font-body);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  z-index: 20;
  transition: opacity .2s ease, transform .2s ease;
  -webkit-overflow-scrolling: touch;
}
.panel.open { opacity: 1; transform: translateY(0); pointer-events: auto; }

#settingsPanel {
  left: 24px;
  bottom: 80px;
  z-index: 200;
  position: absolute;
}

#sutraMenuPanel {
  display: flex;
  flex-direction: column;
  left: 0;
  top: 0;      /* FIX: fallback top position */
  bottom: 0;   /* FIX: constrain to card height */
  right: auto;
  height: auto;
  width: min(380px, 86vw);
  max-width: none;
  max-height: none;
  margin: 0;
  border-radius: 0 12px 12px 0;
  overflow: hidden;
  opacity: 0;
  transform: translateX(calc(-100% - 14px));
  pointer-events: none;
  z-index: 60;
  transition: transform .22s ease, opacity .18s ease;
}
#sutraMenuPanel.open {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

@media (max-width: 500px) {
  .sutra-row { grid-template-columns: 1fr !important; }
  .sutra-col { border-right: none; border-bottom: 1px solid var(--paper-edge); }
  .sutra-col:last-child { border-bottom: none; }
  .card::before, .card::after { display: none; }
  #sutraMenuPanel { left: 0; right: 0; max-width: none; border-radius: 0; }
  #btnLayout { display: none !important; }
  #settingsLayoutLabel { display: none !important; }
  #layoutRow { display: none !important; }
  .sutra-col:last-child .sutra-col-header {
    border-bottom: 1px solid var(--paper-edge);
  }

  /* ── Mobile layout: fixed footer, scrollable content, auto-hide header ── */
  .app {
    padding: 0;
  }

  .card {
    flex-direction: column;
    overflow: hidden;       /* card không cuộn — chỉ sutraGrid cuộn */
    border-radius: 0;
    height: 100%;
  }

  /* Top note: luôn hiển thị, sticky trên cùng */
  .top-note {
    position: relative;
    flex-shrink: 0;
    z-index: 11;
  }

  /* Header: auto-hide khi cuộn xuống, hiện khi cuộn lên */
  .header {
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
    max-height: 80px;                   /* đủ chứa title + subtitle */
    transition: max-height 0.28s ease,
                padding 0.28s ease,
                opacity 0.22s ease,
                border-bottom-width 0.28s ease;
    will-change: max-height;
  }

  .header.header-hidden {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    border-bottom-width: 0;
    pointer-events: none;
  }

  .header.header-hidden::before {
    display: none;
  }

  /* sutraGrid: chiếm toàn bộ không gian còn lại, cuộn nội bộ */
  #sutraGrid {
    overflow-y: auto;
    flex: 1 1 auto;
    min-height: 0;
  }

  /* Nav bar: luôn cố định dưới cùng, không bao giờ cuộn đi */
  .nav-bar {
    flex-shrink: 0;
    position: relative;
    z-index: 10;
  }

  /* Sidebar btn: điều chỉnh vị trí trên mobile */
  #sidebar-btn {
    bottom: 55px;
  }

  /* Back to top: điều chỉnh vị trí */
  #btnBackTop {
    bottom: 56px;
  }
}

.panel-title {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 6px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--gold-border);
}

.panel-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.panel-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-mid);
  min-width: 62px;
}

/* =========================
   SETTINGS PANEL
   ========================= */

#settingsPanel.panel {
  width: min(300px, calc(100vw - 24px));
  max-width: 300px;
  border-radius: 10px;
  border: 1px solid rgba(201,151,58,0.25);
  box-shadow:
    0 16px 44px rgba(30,15,0,0.26),
    0 2px 8px rgba(30,15,0,0.12);
  background:
    radial-gradient(ellipse 110% 80% at 20% 0%, rgba(201,151,58,0.07), transparent 55%),
    linear-gradient(168deg, #fefbf4, var(--paper));
  padding: 0;
  overflow: hidden;
}

#settingsPanel .set-panel-header {
  padding: 12px 14px 10px;
  text-align: center;
  border-bottom: 1px solid rgba(201,151,58,0.18);
  background: linear-gradient(180deg, var(--paper-dark) 0%, transparent 100%);
  position: relative;
}

#settingsPanel .panel-title {
  margin: 0;
  padding: 0;
  border: none;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
}

#settingsPanel .set-panel-header::after {
  content: "❦";
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--gold);
  opacity: 0.6;
  line-height: 1;
}

#settingsPanel .set-panel-body {
  padding: 10px 12px 12px;
  max-height: calc(60vh - 50px);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}
#settingsPanel .set-panel-body::-webkit-scrollbar { width: 4px; }
#settingsPanel .set-panel-body::-webkit-scrollbar-track { background: transparent; }
#settingsPanel .set-panel-body::-webkit-scrollbar-thumb {
  background: var(--gold-border);
  border-radius: 999px;
}

#settingsPanel .set-sec {
  margin-bottom: 10px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid rgba(201,151,58,0.14);
  background: rgba(253,250,243,0.6);
  overflow: hidden;
}
#settingsPanel .set-sec:last-child { margin-bottom: 0; }

#settingsPanel .set-sec-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 10px;
  background: linear-gradient(180deg, rgba(245,234,213,0.5) 0%, transparent 100%);
  border-bottom: 1px solid rgba(201,151,58,0.10);
}

#settingsPanel .set-sec-title {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .10em;
  text-transform: uppercase;
  color: rgba(45,31,10,0.72);
  line-height: 1;
}

#settingsPanel .set-sec-sub {
  font-size: 10px;
  color: rgba(122,96,64,0.65);
  font-style: italic;
  line-height: 1;
}

#settingsPanel .set-sec-body {
  padding: 8px 10px;
}

#settingsPanel .set-pills {
  display: grid;
  gap: 6px;
}
#settingsPanel .set-pills { grid-template-columns: repeat(2, 1fr); }
#settingsPanel .set-pills.cols-3 { grid-template-columns: repeat(3, 1fr); }

#settingsPanel .pill {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 32px;
  padding: 5px 6px;
  border-radius: 6px;
  border: 1px solid rgba(201,151,58,0.22);
  background: rgba(253,250,243,0.95);
  color: rgba(45,31,10,0.78);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.12s ease;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.55);
  user-select: none;
  line-height: 1.2;
}

#settingsPanel .pill:hover {
  background: rgba(201,151,58,0.08);
  border-color: rgba(201,151,58,0.35);
}

#settingsPanel .pill.active,
#settingsPanel .pill[aria-pressed="true"] {
  background: linear-gradient(180deg, rgba(201,151,58,0.90), rgba(176,128,40,0.90));
  border-color: rgba(201,151,58,0.85);
  color: var(--paper);
  box-shadow: 0 4px 14px rgba(201,151,58,0.22);
}

#settingsPanel .pill-wide {
  text-transform: none;
  letter-spacing: .02em;
  font-weight: 700;
}

#settingsPanel .set-mini {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
}

#settingsPanel .set-mini + .set-mini {
  border-top: 1px dashed rgba(201,151,58,0.12);
}

#settingsPanel .set-mini-label {
  font-size: 11px;
  font-weight: 700;
  color: rgba(45,31,10,0.72);
  line-height: 1.2;
}

#settingsPanel .icon-btn {
  width: 32px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid rgba(201,151,58,0.22);
  background: rgba(253,250,243,0.95);
  color: rgba(45,31,10,0.72);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all 0.12s ease;
}
#settingsPanel .icon-btn:hover {
  background: rgba(201,151,58,0.08);
  border-color: rgba(201,151,58,0.35);
}
#settingsPanel .icon-btn.active,
#settingsPanel .icon-btn[aria-pressed="true"] {
  background: linear-gradient(180deg, rgba(201,151,58,0.90), rgba(176,128,40,0.90));
  border-color: rgba(201,151,58,0.85);
  color: var(--paper);
}

#settingsPanel .tts-bar {
  display: flex;
  gap: 5px;
  padding: 6px 10px;
}

#settingsPanel .tts-btn {
  flex: 1;
  height: 30px;
  padding: 0;
  border-radius: 6px;
  border: 1px solid rgba(201,151,58,0.22);
  background: rgba(253,250,243,0.95);
  color: rgba(45,31,10,0.72);
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.12s ease;
}
#settingsPanel .tts-btn:disabled {
  opacity: 0.3;
  cursor: default;
}
#settingsPanel .tts-btn:not(:disabled):hover {
  background: rgba(201,151,58,0.10);
  border-color: rgba(201,151,58,0.35);
}

#settingsPanel .set-note {
  margin-top: 4px;
  padding: 0 2px;
  color: rgba(122,96,64,0.65);
  font-size: 10px;
  line-height: 1.45;
  font-style: italic;
}

#settingsPanel .slider-row {
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

#settingsPanel .slider-row + .slider-row {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed rgba(201,151,58,0.12);
}

#settingsPanel .slider-label-row {
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#settingsPanel .slider-value-badge {
  font-size: 10px;
  padding: 1px 5px;
  min-width: 32px;
}

#settingsPanel .slider-reset-btn {
  border-radius: 6px !important;
  width: 22px !important;
  height: 22px !important;
  border: 1px solid rgba(201,151,58,0.18) !important;
  background: rgba(253,250,243,0.95) !important;
}

/* Dark mode settings overrides */
[data-theme="dark"] #settingsPanel.panel {
  background:
    radial-gradient(ellipse 110% 80% at 20% 0%, rgba(184,135,46,0.05), transparent 55%),
    linear-gradient(168deg, #1e1b12, #1a1710);
  border-color: rgba(184,135,46,0.18);
  box-shadow:
    0 16px 44px rgba(0,0,0,0.45),
    0 2px 8px rgba(0,0,0,0.25);
}

[data-theme="dark"] #settingsPanel .set-panel-header {
  border-bottom-color: rgba(184,135,46,0.14);
  background: linear-gradient(180deg, rgba(21,18,8,0.8) 0%, transparent 100%);
}
[data-theme="dark"] #settingsPanel .panel-title { color: var(--ink); }
[data-theme="dark"] #settingsPanel .set-panel-header::after { opacity: 0.4; }

[data-theme="dark"] #settingsPanel .set-sec {
  border-color: rgba(184,135,46,0.10);
  background: rgba(26,23,16,0.55);
}

[data-theme="dark"] #settingsPanel .set-sec-hd {
  background: linear-gradient(180deg, rgba(21,18,8,0.4) 0%, transparent 100%);
  border-bottom-color: rgba(184,135,46,0.08);
}
[data-theme="dark"] #settingsPanel .set-sec-title { color: rgba(212,201,176,0.72); }
[data-theme="dark"] #settingsPanel .set-sec-sub { color: rgba(138,122,96,0.55); }

[data-theme="dark"] #settingsPanel .pill {
  border-color: rgba(184,135,46,0.18);
  background: rgba(26,23,16,0.85);
  color: rgba(212,201,176,0.72);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}
[data-theme="dark"] #settingsPanel .pill:hover {
  background: rgba(184,135,46,0.08);
  border-color: rgba(184,135,46,0.28);
}
[data-theme="dark"] #settingsPanel .pill.active,
[data-theme="dark"] #settingsPanel .pill[aria-pressed="true"] {
  background: linear-gradient(180deg, rgba(184,135,46,0.82), rgba(155,115,35,0.82));
  color: #110f08;
  box-shadow: 0 4px 14px rgba(184,135,46,0.18);
}

[data-theme="dark"] #settingsPanel .set-mini-label { color: rgba(212,201,176,0.65); }
[data-theme="dark"] #settingsPanel .set-mini + .set-mini { border-top-color: rgba(184,135,46,0.08); }

[data-theme="dark"] #settingsPanel .icon-btn {
  border-color: rgba(184,135,46,0.18);
  background: rgba(26,23,16,0.85);
  color: rgba(212,201,176,0.65);
}
[data-theme="dark"] #settingsPanel .icon-btn:hover {
  background: rgba(184,135,46,0.08);
}
[data-theme="dark"] #settingsPanel .icon-btn.active,
[data-theme="dark"] #settingsPanel .icon-btn[aria-pressed="true"] {
  background: linear-gradient(180deg, rgba(184,135,46,0.82), rgba(155,115,35,0.82));
  color: #110f08;
}

[data-theme="dark"] #settingsPanel .tts-btn {
  border-color: rgba(184,135,46,0.18);
  background: rgba(26,23,16,0.85);
  color: rgba(212,201,176,0.65);
}
[data-theme="dark"] #settingsPanel .tts-btn:not(:disabled):hover {
  background: rgba(184,135,46,0.08);
}

[data-theme="dark"] #settingsPanel .set-note { color: rgba(138,122,96,0.50); }
[data-theme="dark"] #settingsPanel .slider-row + .slider-row { border-top-color: rgba(184,135,46,0.08); }
[data-theme="dark"] #settingsPanel .slider-reset-btn {
  border-color: rgba(184,135,46,0.15) !important;
  background: rgba(26,23,16,0.85) !important;
}

/* ============================================================
   MENU ACCORDION
   ============================================================ */
.menu-block > .menu-toggle,
.menu-toggle.nested,
.menu-subblock .chapter-toggle,
.menu-sutta-link,
.sutra-label-main,
.sutra-label-sub { font-family: var(--font-body); }

#sutraMenuPanel .search-box,
#sutraMenuPanel .search-results { flex: 0 0 auto; }

.search-box { margin-top: 4px; margin-bottom: 4px; }

#sutraSearch {
  width: 100%;
  padding: 5px 10px;
  font-family: var(--font-body);
  font-size: 13px;
  border-radius: 4px;
  border: 1px solid var(--paper-edge);
  background: var(--paper-dark);
  color: var(--ink);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
#sutraSearch:focus {
  border-color: var(--gold);
  background: var(--paper);
  box-shadow: 0 0 0 2px var(--gold-soft);
}
#sutraSearch::placeholder { color: var(--ink-faint); font-style: italic; }

#sutraMenuPanel .sutra-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  position: relative;
  border-top: 1px solid var(--paper-edge);
}
#sutraMenuPanel .sutra-list::-webkit-scrollbar { width: 5px; }
#sutraMenuPanel .sutra-list::-webkit-scrollbar-track { background: transparent; }
#sutraMenuPanel .sutra-list::-webkit-scrollbar-thumb { background: var(--gold-border); border-radius: 999px; }

.menu-block { padding: 3px 0; border-bottom: 1px solid var(--paper-edge); }
.menu-block:last-child { border-bottom: none; }

.menu-block > .menu-toggle:not(.nested) {
  position: relative;
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 0;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 7px 52px 7px 10px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mid);
  line-height: 1.4;
}
.menu-block > .menu-toggle:not(.nested):hover {
  background: var(--gold-soft);
  color: var(--ink);
}

.menu-block > .menu-toggle:focus-visible,
.menu-sutta-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.chevron { font-size: 10px; line-height: 1; opacity: 0.6; display: inline-block; }
.menu-block > .menu-toggle:not(.nested) .chevron {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
}

.menu-toggle.nested {
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 0;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding: 6px 40px 6px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-mid);
  border-bottom: 1px dashed rgba(180,140,60,0.2);
}
.menu-toggle.nested:last-child { border-bottom: none; }
.menu-toggle.nested:hover { background: var(--gold-soft); }
.menu-toggle.nested::before {
  content: '▸';
  position: absolute;
  left: 5px; top: 50%;
  transform: translateY(-50%);
  font-size: 9px;
  color: var(--gold);
  opacity: 0.8;
}
.menu-toggle.nested[aria-expanded="true"]::before { content: '▾'; }
.menu-toggle.nested .chevron { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); }

.menu-subblock { margin: 2px 0; padding-left: 20px; }
.menu-subblock .chapter-toggle {
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--ink-light);
  padding: 3px 0 3px 14px;
  position: relative;
}
.menu-subblock .chapter-toggle::before {
  content: '—';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--gold);
  opacity: 0.7;
}

.menu-list { margin-left: 0; padding-left: 0; margin-bottom: 2px; }
.menu-list.collapsed { display: none; }

.menu-nikaya-sticky {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper-dark);
  background-image: linear-gradient(180deg, var(--paper-darker) 0%, var(--paper-dark) 100%);
  border-bottom: 1px solid var(--gold-border);
  border-top: 1px solid var(--gold-border);
  padding: 6px 10px 6px 12px;
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mid);
  display: flex;
  align-items: center;
  gap: 7px;
  pointer-events: none;
  user-select: none;
}
.menu-nikaya-sticky::before {
  content: '❧';
  font-size: 11px;
  color: var(--gold);
  opacity: 0.8;
  flex-shrink: 0;
}

.menu-sutta-link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 5px 6px 5px 30px;
  margin-bottom: 1px;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  background: transparent;
  color: var(--ink);
  border-bottom: 1px dashed rgba(180,140,60,0.15);
  transition: background .1s;
}
.menu-sutta-link:last-child { border-bottom: none; }
.menu-sutta-link::before {
  content: '•';
  position: absolute;
  left: 14px; top: 8px;
  font-size: 9px;
  color: var(--gold);
  opacity: 0.7;
}
.menu-sutta-link:hover { background: var(--gold-soft); }
.menu-sutta-link.active { background: var(--gold); border-color: transparent; }
.menu-sutta-link.active::before { color: var(--paper); opacity: 1; }

.sutra-label { display: flex; flex-direction: column; line-height: 1.35; }
.sutra-label-main { font-family: var(--font-body); font-size: 13px; font-weight: 600; color: var(--ink); }
.sutra-label-sub  { font-family: var(--font-body); font-size: 12px; font-style: italic; color: var(--ink-light); }
.menu-sutta-link.active .sutra-label-main { color: var(--paper); }
.menu-sutta-link.active .sutra-label-sub  { color: rgba(253,248,240,0.85); }

/* ============================================================
   SEARCH RESULTS
   ============================================================ */
.search-results {
  margin-top: 5px;
  margin-bottom: 6px;
  padding: 0;
  max-height: 220px;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}
.search-results:empty { display: none; }

.search-result-item {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  border-radius: 0;
  padding: 6px 4px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  border-bottom: 1px dashed rgba(180,140,60,0.15);
}
.search-result-item:hover { background: var(--gold-soft); }

.search-result-item mark {
  background: var(--gold-pale);
  padding: 0 2px;
  border-radius: 2px;
  font-weight: 600;
  color: var(--ink);
}
.search-result-empty {
  padding: 5px 2px;
  font-family: var(--font-body);
  font-size: 13px;
  font-style: italic;
  color: var(--ink-faint);
}
.search-result-item .sr-main { font-weight: 600; font-size: 13px; }
.search-result-item .sr-sub  { font-size: 12px; opacity: .7; font-style: italic; }

/* ============================================================
   GUIDE OVERLAY
   ============================================================ */
#guideOverlay {
  position: fixed;
  inset: 0;
  background: rgba(20,10,0,0.65);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
#guideOverlay.show { display: flex; }

.guide-dialog {
  background: var(--paper);
  background-image: linear-gradient(160deg, #fdfaf3, var(--paper));
  border-radius: 8px;
  border: 1px solid var(--paper-edge);
  box-shadow: var(--shadow-panel), inset 0 0 0 3px rgba(201,151,58,0.08);
  padding: 16px 18px;
  max-width: 370px;
  width: 92%;
  max-height: 78vh;
  overflow-y: auto;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--ink);
  position: relative;
}
.guide-dialog::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border-radius: 8px 8px 0 0;
}
.guide-dialog h2 {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-align: center;
  color: var(--ink);
  margin-bottom: 10px;
}
.guide-dialog button {
  margin-top: 12px;
  float: right;
  border-radius: 4px;
  border: 1px solid var(--gold-border);
  background: var(--paper-dark);
  padding: 4px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-mid);
  cursor: pointer;
}
.guide-dialog button:hover { background: var(--gold-pale); }
.guide-dialog em { display: block; font-size: 13.5px; color: var(--ink-light); font-style: italic; margin-top: 2px; }
.guide-dialog ul { padding-left: 20px; line-height: 1.65; }
.guide-dialog li { margin-bottom: 8px; font-size: 14.5px; }
.guide-dialog li::marker { color: var(--gold); font-size: 14px; }

/* ============================================================
   WELCOME SCREEN
   ============================================================ */
.welcome-screen {
  width: 100%;
  display: flex;
  justify-content: center;
  padding-top: 28px;
}
.welcome-box {
  max-width: 540px;
  width: 100%;
  padding: 18px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-light);
  border: 1px solid var(--gold-border);
  border-radius: 6px;
  background: linear-gradient(160deg, #fdfaf3, var(--paper));
  text-align: left;
  position: relative;
}
.welcome-box::before {
  content: '❦';
  position: absolute;
  top: -11px; left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  padding: 0 8px;
  font-size: 16px;
  color: var(--gold);
}

/* ============================================================
   SLIDERS
   ============================================================ */
.slider-row {
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.slider-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.slider-value-badge {
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  border-radius: 4px;
  padding: 1px 6px;
  min-width: 38px;
  text-align: center;
  letter-spacing: .02em;
  flex-shrink: 0;
}
.slider-track-wrap {
  display: flex;
  align-items: center;
  gap: 5px;
}
.slider-icon {
  font-family: var(--font-body);
  color: var(--ink-faint);
  user-select: none;
  flex-shrink: 0;
  line-height: 1;
}
.slider-icon:first-child { font-size: 10px; }
.slider-icon-lg { font-size: 16px; }

.sutra-slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(to right,
    var(--gold) 0%,
    var(--gold) var(--slider-pct, 25%),
    var(--paper-darker) var(--slider-pct, 25%),
    var(--paper-darker) 100%
  );
  outline: none;
  cursor: pointer;
  border: none;
}
.sutra-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--paper);
  box-shadow: 0 1px 4px rgba(30,15,0,0.25);
  cursor: pointer;
}
.sutra-slider::-webkit-slider-thumb:hover { background: #b8872e; transform: scale(1.15); }
.sutra-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--paper);
  box-shadow: 0 1px 4px rgba(30,15,0,0.25);
  cursor: pointer;
}
.sutra-slider::-moz-range-track { height: 4px; border-radius: 999px; background: var(--paper-darker); }
.sutra-slider:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.slider-reset-btn {
  background: transparent !important;
  border: 1px solid var(--paper-edge) !important;
  color: var(--ink-faint) !important;
  font-size: 13px !important;
  width: 22px !important;
  height: 22px !important;
  padding: 0 !important;
  border-radius: 4px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: none !important;
  min-width: unset !important;
  transition: color .1s, border-color .1s, transform .15s !important;
}
.slider-reset-btn:hover {
  color: var(--gold) !important;
  border-color: var(--gold-border) !important;
  transform: rotate(-40deg) !important;
}

/* ============================================================
   FULL WIDTH
   ============================================================ */
.layout-wide .app { padding: 0; }
.layout-wide .card { max-width: none; width: 100%; height: 100%; border-radius: 0; }

/* ============================================================
   TTS NOTE
   ============================================================ */
#settingsTtsNote {
  font-family: var(--font-body);
  font-size: 11px;
  font-style: italic;
  color: var(--ink-faint);
  margin-top: 2px;
  line-height: 1.5;
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
*, button, a, input, label { -webkit-tap-highlight-color: transparent; }
button:not(:focus-visible),
.menu-toggle:not(:focus-visible),
.menu-sutta-link:not(:focus-visible),
.btn-circle:not(:focus-visible) { outline: none; }

.menu-btn .menuIcon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .18s ease;
}

/* Sidebar btn */
#sidebar-btn {
  position: absolute;
  left: 0;
  bottom: 69px;
  z-index: 150;
  width: 19px;
  height: 100px;
  border-radius: 0 8px 8px 0;
  border: 1px solid var(--panel-border);
  border-left: none;
  background: var(--panel-toggle-bg);
  color: var(--fab-color);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 4px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 2px 0 8px rgba(44,31,14,0.05);
  opacity: 0.9;
  transition: all var(--transition);
}

#sidebar-btn:hover {
  background: var(--panel-toggle-hover-bg);
  box-shadow: 3px 0 12px rgba(44,31,14,0.08);
}

#sidebar-btn .sidebar-arrow {
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  line-height: 1;
  opacity: .7;
  transition: transform 0.25s ease;
}

#sidebar-btn.is-open .sidebar-arrow {
  transform: translateX(-50%) rotate(90deg);
}

#sidebar-btn .sidebar-label {
  position: absolute;
  bottom: 39px;
  font-family: 'Cinzel', serif;
  font-size: 0.62em;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  transform-origin: center center;
  left: 50%;
  transform: translateX(-50%) rotate(-90deg);
  line-height: 1;
  white-space: nowrap;
}

/* ============================================================
   DARK MODE
   ============================================================ */
.btn-dark-toggle {
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.3s ease;
}
.btn-dark-toggle:hover {
  transform: scale(1.15) rotate(-12deg);
}

[data-theme="dark"] {
  --paper:        #1a1710;
  --paper-dark:   #151208;
  --paper-darker: #110f08;
  --paper-edge:   #2e2820;

  --ink:          #d4c9b0;
  --ink-mid:      #b8a88a;
  --ink-light:    #8a7a60;
  --ink-faint:    #5a4d3a;

  --gold:         #b8872e;
  --gold-light:   #d4a84a;
  --gold-pale:    #3a3020;
  --gold-soft:    rgba(184,135,46,0.10);
  --gold-border:  rgba(184,135,46,0.28);

  --shadow-card:  0 24px 60px rgba(0,0,0,0.50), 0 4px 16px rgba(0,0,0,0.30);
  --shadow-panel: 0 16px 40px rgba(0,0,0,0.55), 0 2px 8px rgba(0,0,0,0.30);

  --pali-bg: transparent;
  --pali-fg: #d4c5a0;
  --eng-bg:  transparent;
  --eng-fg:  #c8b898;
  --vie-bg:  transparent;
  --vie-fg:  #ccbd9e;
}

[data-theme="dark"] body,
[data-theme="dark"] html {
  background-color: #0e0c06;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 28px,
    rgba(255,255,255,0.008) 28px,
    rgba(255,255,255,0.008) 29px
  );
}

[data-theme="dark"] .card {
  background: var(--paper);
  background-image: linear-gradient(160deg, #1e1b12 0%, #1a1710 40%, #16130c 100%);
  border-color: var(--paper-edge);
}
[data-theme="dark"] .card::before {
  background: linear-gradient(90deg,
    transparent 0%, rgba(184,135,46,0.5) 15%, rgba(212,168,74,0.35) 50%,
    rgba(184,135,46,0.5) 85%, transparent 100%
  );
}
[data-theme="dark"] .card::after {
  background: linear-gradient(90deg,
    transparent, rgba(184,135,46,0.4) 20%, rgba(212,168,74,0.25) 50%,
    rgba(184,135,46,0.4) 80%, transparent
  );
}

[data-theme="dark"] .top-note {
  background: linear-gradient(180deg, #151208 0%, var(--paper) 100%);
  border-bottom-color: var(--paper-edge);
}
[data-theme="dark"] .top-note-text {
  color: #8a7a55;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

[data-theme="dark"] .header { border-bottom-color: var(--paper-edge); }
[data-theme="dark"] .header::before { color: var(--gold); opacity: 0.6; }
[data-theme="dark"] #title { color: var(--ink); }
[data-theme="dark"] #subtitle { color: var(--ink-light); }

[data-theme="dark"] #sutraGrid { background: var(--paper-dark); }
[data-theme="dark"] #sutraGrid::-webkit-scrollbar-track {
  background: var(--paper-dark);
  border-left-color: var(--paper-edge);
}
[data-theme="dark"] #sutraGrid::-webkit-scrollbar-thumb { background: rgba(184,135,46,0.25); }
[data-theme="dark"] #sutraGrid::-webkit-scrollbar-thumb:hover { background: var(--gold); }

[data-theme="dark"] .sutra-row {
  background: var(--paper);
  border-color: var(--paper-edge);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
[data-theme="dark"] .sutra-row:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.22); }
[data-theme="dark"] .sutra-row.reading {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(184,135,46,0.20);
}

[data-theme="dark"] .sutra-col { border-right-color: var(--paper-edge); }
[data-theme="dark"] .sutra-col-header {
  color: var(--ink-faint);
  border-bottom-color: var(--paper-edge);
  background: var(--paper-dark);
}

[data-theme="dark"] .pali { color: var(--pali-fg); }
[data-theme="dark"] .eng  { color: var(--eng-fg); }
[data-theme="dark"] .vie  { color: var(--vie-fg); }

[data-theme="dark"] .card.stack .sutra-col { border-bottom-color: var(--paper-edge); }

[data-theme="dark"] .bottom-controls {
  background: rgba(26,23,16,0.65);
  border-top-color: rgba(184,135,46,0.15);
}

[data-theme="dark"] .btn-nav { color: var(--ink-light); }
[data-theme="dark"] .btn-nav:not(:disabled):hover {
  color: var(--paper-dark);
  background: var(--gold);
  box-shadow: 0 2px 10px rgba(184,135,46,0.30);
}

[data-theme="dark"] .btn-circle { color: var(--ink-light); }
[data-theme="dark"] .btn-circle:hover {
  background: rgba(184,135,46,0.08);
  border-color: rgba(184,135,46,0.18);
}
[data-theme="dark"] .btn-circle.active {
  background: var(--gold);
  color: var(--paper-dark);
  border-color: var(--gold);
  box-shadow: 0 2px 8px rgba(184,135,46,0.35);
}

[data-theme="dark"] .footer-divider::before,
[data-theme="dark"] .footer-divider::after {
  background: linear-gradient(90deg,
    transparent, rgba(184,135,46,0.12) 40%, rgba(184,135,46,0.12) 60%, transparent);
}
[data-theme="dark"] .footer-divider span { color: var(--gold); opacity: 0.3; }

[data-theme="dark"] #btnBackTop {
  border-color: var(--gold-border);
  background: var(--paper);
  color: var(--ink-light);
  box-shadow: 0 2px 10px rgba(0,0,0,0.35);
}
[data-theme="dark"] #btnBackTop:hover {
  background: var(--gold);
  color: var(--paper-dark);
  border-color: var(--gold);
}

[data-theme="dark"] .panel {
  background: #1a1710;
  background-image: linear-gradient(160deg, #1e1b12 0%, #1a1710 100%);
  border-color: var(--paper-edge);
  box-shadow: var(--shadow-panel), inset 0 0 0 1px rgba(184,135,46,0.06);
}
[data-theme="dark"] .panel-title {
  color: var(--ink);
  border-bottom-color: var(--gold-border);
}
[data-theme="dark"] .panel-label { color: var(--ink-mid); }

[data-theme="dark"] #sutraSearch {
  border-color: var(--paper-edge);
  background: var(--paper-dark);
  color: var(--ink);
}
[data-theme="dark"] #sutraSearch:focus {
  border-color: var(--gold);
  background: var(--paper);
  box-shadow: 0 0 0 2px rgba(184,135,46,0.08);
}
[data-theme="dark"] #sutraSearch::placeholder { color: var(--ink-faint); }

[data-theme="dark"] #sutraMenuPanel .sutra-list { border-top-color: var(--paper-edge); }
[data-theme="dark"] #sutraMenuPanel .sutra-list::-webkit-scrollbar-thumb { background: rgba(184,135,46,0.20); }

[data-theme="dark"] .menu-block { border-bottom-color: var(--paper-edge); }
[data-theme="dark"] .menu-block > .menu-toggle:not(.nested) { color: var(--ink-mid); }
[data-theme="dark"] .menu-block > .menu-toggle:not(.nested):hover {
  background: var(--gold-soft);
  color: var(--ink);
}

[data-theme="dark"] .menu-toggle.nested {
  color: var(--ink-mid);
  border-bottom-color: rgba(184,135,46,0.12);
}
[data-theme="dark"] .menu-toggle.nested:hover { background: var(--gold-soft); }
[data-theme="dark"] .menu-toggle.nested::before { color: var(--gold); }

[data-theme="dark"] .menu-nikaya-sticky {
  background: var(--paper-dark);
  background-image: linear-gradient(180deg, #151208 0%, var(--paper-dark) 100%);
  border-bottom-color: var(--gold-border);
  border-top-color: var(--gold-border);
  color: var(--ink-mid);
}

[data-theme="dark"] .menu-sutta-link {
  color: var(--ink);
  border-bottom-color: rgba(184,135,46,0.10);
}
[data-theme="dark"] .menu-sutta-link:hover { background: var(--gold-soft); }
[data-theme="dark"] .menu-sutta-link.active {
  background: var(--gold);
  border-color: transparent;
}
[data-theme="dark"] .menu-sutta-link.active .sutra-label-main { color: #110f08; }
[data-theme="dark"] .menu-sutta-link.active .sutra-label-sub { color: rgba(17,15,8,0.75); }

[data-theme="dark"] .sutra-label-main { color: var(--ink); }
[data-theme="dark"] .sutra-label-sub { color: var(--ink-light); }

[data-theme="dark"] .search-result-item { color: var(--ink); }
[data-theme="dark"] .search-result-item:hover { background: var(--gold-soft); }
[data-theme="dark"] .search-result-item mark {
  background: rgba(184,135,46,0.18);
  color: var(--ink);
}
[data-theme="dark"] .search-result-empty { color: var(--ink-faint); }

[data-theme="dark"] #guideOverlay { background: rgba(0,0,0,0.75); }
[data-theme="dark"] .guide-dialog {
  background: #1a1710;
  background-image: linear-gradient(160deg, #1e1b12, #1a1710);
  border-color: var(--paper-edge);
  color: var(--ink);
}
[data-theme="dark"] .guide-dialog::before {
  background: linear-gradient(90deg, transparent, rgba(184,135,46,0.5), transparent);
}
[data-theme="dark"] .guide-dialog h2 { color: var(--ink); }
[data-theme="dark"] .guide-dialog button {
  border-color: var(--gold-border);
  background: var(--paper-dark);
  color: var(--ink-mid);
}
[data-theme="dark"] .guide-dialog button:hover { background: var(--gold-pale); }
[data-theme="dark"] .guide-dialog em { color: var(--ink-light); }
[data-theme="dark"] .guide-dialog li::marker { color: var(--gold); }

[data-theme="dark"] .welcome-box {
  border-color: var(--gold-border);
  background: linear-gradient(160deg, #1e1b12, var(--paper));
  color: var(--ink-light);
}
[data-theme="dark"] .welcome-box::before {
  background: var(--paper);
  color: var(--gold);
}

[data-theme="dark"] #sidebar-btn {
  background: rgba(26,23,16,0.85);
  border-color: var(--paper-edge);
  color: var(--ink-light);
  box-shadow: 2px 0 8px rgba(0,0,0,0.2);
}
[data-theme="dark"] #sidebar-btn:hover { background: rgba(30,27,18,0.95); }

/* FIX: Only apply theme transition when user has no preference for reduced motion */
@media (prefers-reduced-motion: no-preference) {
  html .card,
  html .top-note,
  html .header,
  html #sutraGrid,
  html .sutra-row,
  html .sutra-col-header,
  html .bottom-controls,
  html .panel,
  html .guide-dialog,
  html .welcome-box {
    transition:
      background-color 0.4s ease,
      background 0.4s ease,
      color 0.35s ease,
      border-color 0.35s ease,
      box-shadow 0.35s ease;
  }
}

[data-theme="dark"] ::selection {
  background: rgba(184,135,46,0.30);
  color: #d4c9b0;
}
[data-theme="dark"] ::-moz-selection {
  background: rgba(184,135,46,0.30);
  color: #d4c9b0;
}

#btnDarkMode,
#btnUiLang,
#btnGuide,
#btnSettings {
  transition: transform 0.3s ease;
}

#btnDarkMode:hover,
#btnUiLang:hover,
#btnGuide:hover,
#btnSettings:hover {
  transform: scale(1.15) rotate(-12deg);
}

/* ── PANEL TOOLBAR ── */
.panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px 10px;
  border-top: 1px solid var(--paper-edge);
  background: linear-gradient(180deg, transparent 0%, rgba(245,234,213,0.4) 100%);
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border-radius: 8px;
  border: 1px solid rgba(201,151,58,0.18);
  background: rgba(253,250,243,0.7);
}

.toolbar-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  cursor: pointer;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--ink-light);
  transition: background .12s, color .12s, transform .08s;
}
.toolbar-btn:hover {
  background: rgba(201,151,58,0.10);
  color: var(--ink-mid);
}
.toolbar-btn:active { transform: scale(0.92); }
.toolbar-btn.active {
  background: var(--gold);
  color: var(--paper);
}

.toolbar-btn.btn-flag svg {
  width: 20px;
  height: 14px;
  display: block;
}

[data-theme="dark"] .panel-toolbar {
  border-top-color: var(--paper-edge);
  background: linear-gradient(180deg, transparent 0%, rgba(21,18,8,0.5) 100%);
}
[data-theme="dark"] .toolbar-group {
  border-color: rgba(184,135,46,0.15);
  background: rgba(26,23,16,0.6);
}
[data-theme="dark"] .toolbar-btn { color: var(--ink-light); }
[data-theme="dark"] .toolbar-btn:hover {
  background: rgba(184,135,46,0.10);
  color: var(--ink);
}

/* ── NAV BAR ── */
.nav-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-top: 1px solid var(--paper-edge);
  background: var(--paper-dark);
}

.nav-btn {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--paper-edge);
  background: var(--paper);
  color: var(--ink-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: all .15s ease;
}
.nav-btn:disabled { opacity: .25; cursor: default; }
.nav-btn:not(:disabled):hover {
  color: var(--paper);
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 2px 8px rgba(201,151,58,0.3);
}
.nav-btn:not(:disabled):active { transform: scale(0.9); }

.nav-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--ink-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4px;
  line-height: 1.3;
}

[data-theme="dark"] .nav-bar {
  background: var(--paper-dark);
  border-top-color: var(--paper-edge);
}
[data-theme="dark"] .nav-btn {
  border-color: var(--paper-edge);
  background: var(--paper);
  color: var(--ink-light);
}
[data-theme="dark"] .nav-btn:not(:disabled):hover {
  background: var(--gold);
  color: var(--paper-dark);
}

.pill-icon {
  font-size: 13px;
  margin-right: 3px;
  opacity: 0.7;
}
.pill.active .pill-icon { opacity: 1; }

/* ============================================================
   SAFARI iOS AUTO-ZOOM FIX
   Safari zooms in when tapping inputs/selects/textareas with
   font-size < 16px. Force 16px on all interactive elements
   on mobile to prevent this.
   ============================================================ */
@media screen and (max-width: 768px) {
  input[type="search"],
  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="tel"],
  input[type="url"],
  input[type="password"],
  textarea,
  select {
    font-size: 16px !important;
  }

  /* Touch target: tất cả button tối thiểu 44x44 (Apple HIG) */
  button,
  .btn-circle,
  .btn-nav,
  .nav-btn,
  .toolbar-btn,
  .pill,
  .tts-btn,
  .menu-sutta-link,
  .menu-toggle,
  .search-result-item {
    min-height: 44px;
    min-width: 44px;
  }

  /* Prevent double-tap zoom on interactive elements */
  button,
  a,
  input,
  select,
  textarea,
  .menu-sutta-link,
  .menu-toggle {
    touch-action: manipulation;
  }
}