/* ============================================================
   Lecteur à Rythme Fixe — Design Tokens & Styles
   ============================================================ */

/* Empêche que display:flex/block défini en CSS écrase l'attribut hidden */
[hidden] { display: none !important; }

:root {
  --color-bg:            #1a1a2e;
  --color-bg-surface:    #22223a;
  --color-text:          #e0def4;
  --color-text-muted:    #6e6a86;
  --color-accent:        #c4a35a;
  --color-accent-light:  #e8d5a3;
  --color-highlight-bg:  rgba(196, 163, 90, 0.15);
  --color-danger:        #eb6f92;
  --font-body:           'Inter', 'Segoe UI', sans-serif;
  --font-reading:        'Georgia', 'Cambria', serif;
  --radius:              8px;
  --transition:          0.2s ease;
  --font-reading-current: var(--font-body);
  --reading-font-size:   1.3rem;
  --reading-line-height: 1.8;
}

[data-theme="light"] {
  --color-bg:            #faf8f5;
  --color-bg-surface:    #ffffff;
  --color-text:          #2a2a2a;
  --color-text-muted:    #8a8a8a;
  --color-accent:        #b8860b;
  --color-accent-light:  #d4a017;
  --color-highlight-bg:  rgba(184, 134, 11, 0.12);
  --color-danger:        #c0392b;
}

/* ---- OpenDyslexic fallback (Google Fonts or system) ---- */
@font-face {
  font-family: 'OpenDyslexic';
  src: local('OpenDyslexic');
  font-display: swap;
}

/* ============================================================
   Layout — App container
   ============================================================ */

.lr-app {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 90px); /* site-header ~59px + container padding-top 32px */
  overflow: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-reading-current);
  transition: background var(--transition), color var(--transition);
}

/* ============================================================
   ZONE A — Header / Controls bar
   ============================================================ */

.lr-zone-a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--color-bg-surface);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  gap: 0.75rem;
  flex-wrap: wrap;
}

.lr-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.lr-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
  margin: 0;
}

.lr-visual-settings {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.lr-setting-group {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.lr-label-small {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.lr-select {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 0.2rem 0.4rem;
  font-size: 0.75rem;
  cursor: pointer;
}

.lr-select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

/* ============================================================
   ZONE B — Reading area
   ============================================================ */

.lr-zone-b {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-height: 340px;
}

/* Mode bar */
.lr-mode-bar {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: var(--color-bg-surface);
}

.lr-mode-btn {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.3rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}

.lr-mode-btn.active,
.lr-mode-btn[aria-pressed="true"] {
  background: var(--color-highlight-bg);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.lr-mode-btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* RSVP Container */
.lr-rsvp-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  user-select: none;
  cursor: pointer;
  min-height: 180px;
}

.lr-rsvp-guide-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(196,163,90,0.25);
  pointer-events: none;
  transform: translateX(-50%);
  left: 33%;
}

.lr-rsvp-word {
  font-size: clamp(2rem, 6vw, 6rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  text-align: center;
  line-height: 1.1;
  z-index: 1;
  transition: font-size var(--transition);
  white-space: nowrap;
  max-width: 80%;
  overflow: hidden;
  text-overflow: clip;
}

.lr-word-before,
.lr-word-after {
  color: var(--color-text);
}

.lr-word-pivot {
  color: var(--color-accent);
  font-weight: 700;
}

.lr-rsvp-placeholder {
  position: absolute;
  color: var(--color-text-muted);
  font-size: 1rem;
  text-align: center;
  padding: 0 2rem;
}

/* Karaoke container */
.lr-karaoke-container {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 2rem;
  scroll-behavior: smooth;
}

.lr-karaoke-text {
  font-size: var(--reading-font-size);
  line-height: var(--reading-line-height);
  max-width: 720px;
  margin: 0 auto;
}

.lr-karaoke-text .lr-kw {
  cursor: pointer;
  border-radius: 3px;
  transition: background var(--transition);
  padding: 0.05em 0.1em;
}

.lr-karaoke-text .lr-kw-done {
  color: var(--color-text-muted);
}

.lr-karaoke-text .lr-kw-current {
  background: var(--color-highlight-bg);
  color: var(--color-accent-light);
  font-weight: 700;
  outline: 1px solid var(--color-accent);
  border-radius: 3px;
}

.lr-karaoke-text .lr-kw-upcoming {
  color: var(--color-text);
}

/* Progress area */
.lr-progress-area {
  padding: 0.4rem 1rem 0.5rem;
  background: var(--color-bg-surface);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.lr-timer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.3rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.lr-word-count {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.lr-progress-bar-container {
  position: relative;
  cursor: pointer;
  padding: 4px 0;
}

.lr-progress-bar-container:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.lr-progress-bar-bg {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  position: relative;
  overflow: visible;
}

.lr-progress-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 3px;
  width: 0%;
  transition: width 0.1s linear;
}

.lr-progress-bar-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  background: var(--color-accent-light);
  border-radius: 50%;
  left: 0%;
  transition: left 0.1s linear;
}

/* Controls */
.lr-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--color-bg-surface);
}

.lr-btn-ctrl {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  width: 44px;
  height: 44px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.lr-btn-ctrl:hover:not(:disabled) {
  background: var(--color-highlight-bg);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lr-btn-ctrl:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.lr-btn-ctrl:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.lr-btn-play {
  width: 54px;
  height: 54px;
  font-size: 1.3rem;
  background: var(--color-highlight-bg);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lr-btn-play.playing {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* Stats overlay */
.lr-stats-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  backdrop-filter: blur(4px);
}

.lr-stats-panel {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-accent);
  border-radius: calc(var(--radius) * 2);
  padding: 2rem;
  min-width: 280px;
  max-width: 420px;
  width: 90%;
  text-align: center;
}

.lr-stats-panel h2 {
  color: var(--color-accent);
  margin: 0 0 1.25rem;
  font-size: 1.1rem;
}

.lr-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.lr-stat-item label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.1rem;
}

.lr-stat-item span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent-light);
}

/* ============================================================
   ZONE C — Input / Settings
   ============================================================ */

.lr-zone-c {
  background: var(--color-bg-surface);
  border-top: 2px solid var(--color-accent);
  padding: 0.75rem 1rem;
}

.lr-zone-c.locked textarea {
  opacity: 0.5;
  pointer-events: none;
}

/* Cadence row */
.lr-cadence-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.lr-toggle-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.lr-toggle-btn {
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
}

.lr-toggle-btn.active,
.lr-toggle-btn[aria-pressed="true"] {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
  font-weight: 600;
}

.lr-toggle-btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.lr-slider-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 200px;
}

.lr-slider {
  flex: 1;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.lr-number-input {
  width: 60px;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 0.25rem 0.4rem;
  font-size: 0.85rem;
  text-align: center;
}

.lr-number-input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.lr-unit-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  min-width: 30px;
}

.lr-presets {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.lr-preset-btn {
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.72rem;
  cursor: pointer;
  transition: all var(--transition);
}

.lr-preset-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.lr-preset-btn.active {
  background: var(--color-highlight-bg);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.lr-preset-btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Textarea */
.lr-textarea-area {
  position: relative;
}

.lr-textarea {
  width: 100%;
  min-height: 120px;
  max-height: 280px;
  resize: vertical;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 0.75rem;
  font-size: var(--reading-font-size);
  font-family: var(--font-reading-current);
  line-height: var(--reading-line-height);
  box-sizing: border-box;
  transition: border-color var(--transition);
}

.lr-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.lr-textarea-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.4rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.lr-text-stats {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.lr-textarea-actions {
  display: flex;
  gap: 0.4rem;
}

.lr-warning {
  margin-top: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: rgba(235,111,146,0.12);
  border: 1px solid var(--color-danger);
  border-radius: 4px;
  color: var(--color-danger);
  font-size: 0.8rem;
}

/* ============================================================
   Generic buttons
   ============================================================ */

.lr-btn {
  border: none;
  border-radius: var(--radius);
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
}

.lr-btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.lr-btn-accent {
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 600;
  margin-right: 0.5rem;
}

.lr-btn-accent:hover {
  background: var(--color-accent-light);
}

.lr-btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid rgba(255,255,255,0.12);
}

.lr-btn-ghost:hover {
  color: var(--color-text);
  border-color: rgba(255,255,255,0.3);
}

.lr-btn-sm {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
}

.lr-btn-icon {
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  font-size: 1rem;
  border-radius: 4px;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lr-btn-icon:hover {
  color: var(--color-accent);
}

.lr-btn-icon:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ============================================================
   State: reading mode (Zone C collapsed indicator)
   ============================================================ */

.lr-zone-c.lr-collapsed {
  max-height: 0;
  overflow: hidden;
  padding: 0;
  border-top: none;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.lr-zone-c.lr-expanded {
  max-height: 600px;
  transition: max-height 0.3s ease;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 600px) {
  .lr-zone-a {
    padding: 0.5rem;
    gap: 0.4rem;
  }

  .lr-visual-settings {
    gap: 0.3rem;
  }

  .lr-title {
    font-size: 0.9rem;
  }

  .lr-cadence-row {
    gap: 0.6rem;
  }

  .lr-presets {
    display: none;
  }

  .lr-rsvp-word {
    font-size: clamp(2rem, 10vw, 5rem);
  }

  .lr-karaoke-container {
    padding: 1rem;
  }

  .lr-stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Focus visible (keyboard nav)
   ============================================================ */

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ============================================================
   Bouton ? (déclencheur aide)
   ============================================================ */

.lr-btn-help-trigger {
  font-weight: 700;
  font-size: 1rem;
  width: 26px;
  height: 26px;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  color: var(--color-accent);
  line-height: 1;
}

.lr-btn-help-trigger:hover {
  background: var(--color-highlight-bg);
}

/* ============================================================
   Modale aide
   ============================================================ */

.lr-help-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
  padding: 1rem;
}

.lr-help-panel {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-accent);
  border-radius: calc(var(--radius) * 2);
  padding: 1.75rem 2rem;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.lr-help-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  line-height: 1;
}

.lr-help-close:hover { color: var(--color-danger); }
.lr-help-close:focus { outline: 2px solid var(--color-accent); }

.lr-help-title {
  color: var(--color-accent);
  font-size: 1.15rem;
  margin: 0 0 1.25rem;
}

.lr-help-section {
  margin-bottom: 1.1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.lr-help-section:last-of-type { border-bottom: none; }

.lr-help-section h3 {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin: 0 0 0.6rem;
}

.lr-help-section ol,
.lr-help-section ul {
  margin: 0;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text);
}

.lr-help-section p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0.5rem 0 0;
}

.lr-help-section dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.75rem;
  margin: 0;
  font-size: 0.88rem;
}

.lr-help-section dt {
  font-weight: 700;
  color: var(--color-accent-light);
  white-space: nowrap;
}

.lr-help-section dd {
  margin: 0;
  color: var(--color-text);
  line-height: 1.5;
}

.lr-help-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.lr-help-table td {
  padding: 0.2rem 0.5rem 0.2rem 0;
  vertical-align: middle;
  color: var(--color-text);
}

.lr-help-table td:first-child {
  white-space: nowrap;
  padding-right: 1rem;
}

kbd {
  display: inline-block;
  background: var(--color-bg);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-family: monospace;
  font-size: 0.8em;
  color: var(--color-accent-light);
  white-space: nowrap;
}

.lr-help-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 0.5rem;
}

.lr-help-dontshow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  cursor: pointer;
  flex: 1;
}

.lr-help-dontshow input[type="checkbox"] {
  accent-color: var(--color-accent);
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  cursor: pointer;
}

@media (max-width: 600px) {
  .lr-help-panel {
    padding: 1.25rem;
    max-height: 85vh;
  }

  .lr-help-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .lr-help-section dl {
    grid-template-columns: 1fr;
  }

  .lr-help-section dt { margin-top: 0.4rem; }
}