/* ═══════════════════════════════════════════════════════════════
   BABYSOOK — Style principal
   Section 7.2 : Variables CSS de thème (valeurs officielles)
   Section 9.5 : Classes préfixées bsk-
═══════════════════════════════════════════════════════════════ */

/* ── Variables de thème (thème sombre par défaut) ─────────── */
:root {
  --bsk-color-bg-deep:     #0d1420;
  --bsk-color-bg-panel:    rgba(18, 26, 38, 0.62);
  --bsk-color-wood-warm:   #8a6a4a;
  --bsk-color-accent-glow: #6fd8ff;
  --bsk-color-accent-warm: #e8b873;
  --bsk-color-text-light:  #f2f6fb;
  --bsk-color-text-muted:  #8fa3bf;
  --bsk-color-border:      rgba(111, 216, 255, 0.2);
  --bsk-color-border-hover:rgba(111, 216, 255, 0.5);
  --bsk-color-danger:      #ff6b6b;
  --bsk-color-success:     #51cf66;

  --bsk-blur-panel:        12px;
  --bsk-radius-card:       16px;
  --bsk-radius-btn:        50px;
  --bsk-shadow-glow:       0 0 20px rgba(111, 216, 255, 0.3);
  --bsk-shadow-panel:      0 8px 32px rgba(0, 0, 0, 0.5);
  --bsk-transition:        0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --bsk-font-main:         'Nunito', 'Segoe UI', system-ui, sans-serif;
  --bsk-font-arabic:       'Cairo', 'Amiri', 'Noto Sans Arabic', sans-serif;
  --bsk-font-legal:        'Inter', 'Helvetica Neue', Arial, sans-serif;

  --bsk-z-canvas:      0;
  --bsk-z-overlay:    10;
  --bsk-z-cards:      20;
  --bsk-z-bottom:     30;
  --bsk-z-header:     40;
  --bsk-z-panels:     50;
  --bsk-z-modal:      60;
  --bsk-z-pwa:        35;
}

/* ── Thème clair (optionnel) ──────────────────────────────── */
[data-theme="light"] {
  --bsk-color-bg-deep:     #f4efe6;
  --bsk-color-bg-panel:    rgba(240, 235, 228, 0.75);
  --bsk-color-text-light:  #1a2030;
  --bsk-color-text-muted:  #4a5568;
  --bsk-color-border:      rgba(111, 216, 255, 0.3);
  /* --bsk-color-accent-glow reste identique dans les deux thèmes */
}

/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bsk-color-bg-deep);
  color: var(--bsk-color-text-light);
  font-family: var(--bsk-font-main);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Import Nunito (Google Fonts — CDN, compatible avec CSP) */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&family=Cairo:wght@400;600;700&display=swap');

/* ── Canvas Three.js ─────────────────────────────────────── */
#bsk-scene {
  position: fixed;
  inset: 0;
  width: 100dvw;
  height: 100dvh;
  z-index: var(--bsk-z-canvas);
  display: block;
}

/* ── Overlay principal ───────────────────────────────────── */
.bsk-overlay {
  position: fixed;
  inset: 0;
  width: 100dvw;
  height: 100dvh;
  z-index: var(--bsk-z-overlay);
  pointer-events: none; /* les enfants réactivent pointer-events au besoin */
  display: flex;
  flex-direction: column;
}
.bsk-overlay--locked { filter: blur(2px); pointer-events: none; }

/* ── Header ──────────────────────────────────────────────── */
.bsk-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--bsk-z-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: linear-gradient(to bottom, rgba(13,20,32,0.9) 0%, transparent 100%);
  pointer-events: all;
}

.bsk-header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bsk-logo-mark {
  width: 40px; height: 40px;
  background: var(--bsk-color-accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--bsk-color-bg-deep);
  box-shadow: 0 0 16px rgba(111, 216, 255, 0.6);
  flex-shrink: 0;
  line-height: 1;
}

.bsk-logo-text { display: flex; flex-direction: column; }

.bsk-logo-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--bsk-color-accent-glow);
  letter-spacing: 3px;
  line-height: 1;
  text-shadow: 0 0 20px rgba(111, 216, 255, 0.5);
}

.bsk-logo-tagline {
  font-size: 11px;
  color: var(--bsk-color-text-muted);
  font-style: italic;
  letter-spacing: 0.3px;
}

/* ── Sélecteur de langue ─────────────────────────────────── */
.bsk-lang-selector {
  display: flex;
  gap: 4px;
  background: var(--bsk-color-bg-panel);
  backdrop-filter: blur(var(--bsk-blur-panel));
  -webkit-backdrop-filter: blur(var(--bsk-blur-panel));
  border: 1px solid var(--bsk-color-border);
  border-radius: 50px;
  padding: 4px 6px;
}

.bsk-lang-btn {
  background: transparent;
  border: none;
  color: var(--bsk-color-text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 50px;
  transition: var(--bsk-transition);
  pointer-events: all;
  white-space: nowrap;
}
.bsk-lang-btn:hover { color: var(--bsk-color-text-light); background: rgba(255,255,255,0.08); }
.bsk-lang-btn--active {
  background: var(--bsk-color-accent-glow);
  color: var(--bsk-color-bg-deep);
  font-weight: 700;
}

/* ── Cartes de bienvenue (état d'accueil guidé) ──────────── */
.bsk-welcome-cards {
  position: fixed;
  inset: 0;
  z-index: var(--bsk-z-cards);
  pointer-events: none;
}

.bsk-glass-card {
  position: absolute;
  background: var(--bsk-color-bg-panel);
  backdrop-filter: blur(var(--bsk-blur-panel));
  -webkit-backdrop-filter: blur(var(--bsk-blur-panel));
  border: 1px solid var(--bsk-color-border);
  border-radius: var(--bsk-radius-card);
  padding: 14px 16px;
  min-width: 200px;
  max-width: 240px;
  box-shadow: var(--bsk-shadow-panel);
  pointer-events: all;
  animation: bskCardIn 0.5s both;
  cursor: pointer;
  transition: border-color var(--bsk-transition), box-shadow var(--bsk-transition);
}
.bsk-glass-card:hover {
  border-color: var(--bsk-color-border-hover);
  box-shadow: var(--bsk-shadow-panel), var(--bsk-shadow-glow);
}

/* Positions des cartes */
.bsk-card--top-left     { top: 80px; left: 20px; animation-delay: 0.3s; }
.bsk-card--bottom-left  { bottom: 120px; left: 20px; animation-delay: 0.5s; }
.bsk-card--top-right    { top: 80px; right: 20px; animation-delay: 0.4s; }
.bsk-card--bottom-right { bottom: 120px; right: 20px; animation-delay: 0.6s; }

/* État replié (pastilles) */
.bsk-welcome-cards.bsk-cards--folded .bsk-welcome-card {
  animation: bskCardFold 0.4s both forwards;
}

@keyframes bskCardIn {
  from { opacity: 0; transform: translateY(-12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes bskCardFold {
  to { opacity: 0; transform: scale(0.3); pointer-events: none; }
}

.bsk-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.bsk-card-icon {
  width: 18px; height: 18px;
  color: var(--bsk-color-accent-glow);
  flex-shrink: 0;
}
.bsk-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--bsk-color-accent-glow);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.bsk-card-text {
  font-size: 12px;
  color: var(--bsk-color-text-light);
  line-height: 1.5;
}
.bsk-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}
.bsk-card-list--2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 8px;
}
.bsk-list-bullet {
  margin-right: 5px;
  font-size: 12px;
}
.bsk-card-voice-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 24px;
  margin-bottom: 8px;
}
.bsk-card-voice-wave span {
  display: block;
  width: 3px;
  background: var(--bsk-color-accent-glow);
  border-radius: 2px;
  animation: bskWave 1.2s ease-in-out infinite;
}
.bsk-card-voice-wave span:nth-child(1) { height: 8px;  animation-delay: 0.0s; }
.bsk-card-voice-wave span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.bsk-card-voice-wave span:nth-child(3) { height: 20px; animation-delay: 0.2s; }
.bsk-card-voice-wave span:nth-child(4) { height: 14px; animation-delay: 0.3s; }
.bsk-card-voice-wave span:nth-child(5) { height: 10px; animation-delay: 0.4s; }

@keyframes bskWave {
  0%, 100% { transform: scaleY(1); }
  50%       { transform: scaleY(0.4); }
}

/* ── Sous-titres ─────────────────────────────────────────── */
.bsk-subtitles {
  position: fixed;
  bottom: 145px;
  left: 50%;
  transform: translateX(-50%);
  width: clamp(280px, 60vw, 720px);
  text-align: center;
  z-index: var(--bsk-z-bottom);
  pointer-events: none;
}
.bsk-subtitle-text {
  display: inline-block;
  background: rgba(13, 20, 32, 0.75);
  color: var(--bsk-color-text-light);
  font-size: clamp(13px, 1.8vw, 16px);
  padding: 6px 16px;
  border-radius: 8px;
  border: 1px solid var(--bsk-color-border);
  backdrop-filter: blur(6px);
  min-height: 28px;
}

/* ── Zone du bas ─────────────────────────────────────────── */
.bsk-bottom-area {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: var(--bsk-z-bottom);
  pointer-events: all;
}

/* Bouton microphone */
.bsk-mic-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.bsk-mic-button {
  position: relative;
  width: clamp(70px, 9vw, 90px);
  height: clamp(70px, 9vw, 90px);
  border-radius: 50%;
  background: rgba(13, 20, 32, 0.85);
  border: 2px solid var(--bsk-color-accent-glow);
  color: var(--bsk-color-accent-glow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--bsk-transition);
  box-shadow: 0 0 24px rgba(111, 216, 255, 0.4), inset 0 0 20px rgba(111, 216, 255, 0.08);
}
.bsk-mic-button:hover {
  box-shadow: 0 0 40px rgba(111, 216, 255, 0.6), inset 0 0 24px rgba(111, 216, 255, 0.12);
  transform: scale(1.05);
}
.bsk-mic-button[aria-pressed="true"] {
  background: rgba(111, 216, 255, 0.15);
  box-shadow: 0 0 50px rgba(111, 216, 255, 0.7), inset 0 0 30px rgba(111, 216, 255, 0.2);
}
.bsk-mic-button--listening { animation: bskMicPulse 1.5s ease-in-out infinite; }
.bsk-mic-button--processing { animation: bskMicSpin 1s linear infinite; }

@keyframes bskMicPulse {
  0%, 100% { box-shadow: 0 0 30px rgba(111, 216, 255, 0.5), inset 0 0 20px rgba(111, 216, 255, 0.1); }
  50%       { box-shadow: 0 0 60px rgba(111, 216, 255, 0.8), inset 0 0 30px rgba(111, 216, 255, 0.2); }
}
@keyframes bskMicSpin {
  to { transform: rotate(360deg); }
}

/* Anneaux de halo autour du mic */
.bsk-mic-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--bsk-color-accent-glow);
  opacity: 0;
  inset: -1px;
  animation: bskRingPulse 2s ease-out infinite;
}
.bsk-mic-ring--2 { animation-delay: 0.5s; }
.bsk-mic-ring--3 { animation-delay: 1.0s; }

@keyframes bskRingPulse {
  0%   { transform: scale(1);   opacity: 0.6; }
  100% { transform: scale(1.7); opacity: 0; }
}

.bsk-mic-icon { width: 34px; height: 34px; }
.bsk-mic-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--bsk-color-text-muted);
  text-align: center;
  max-width: 110px;
}

/* Champ texte alternatif */
.bsk-text-input-area {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}
.bsk-text-input {
  background: var(--bsk-color-bg-panel);
  border: 1px solid var(--bsk-color-border);
  border-radius: 50px;
  padding: 8px 16px;
  color: var(--bsk-color-text-light);
  font-size: 14px;
  width: 220px;
  backdrop-filter: blur(8px);
  outline: none;
  transition: border-color var(--bsk-transition);
}
.bsk-text-input:focus { border-color: var(--bsk-color-accent-glow); }
.bsk-text-send-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bsk-color-accent-glow);
  border: none;
  color: var(--bsk-color-bg-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.bsk-text-send-btn svg { width: 16px; height: 16px; }

/* Zone dropzone */
.bsk-dropzone {
  position: relative;
  width: clamp(200px, 28vw, 280px);
  height: clamp(80px, 10vw, 100px);
  background: rgba(13, 20, 32, 0.7);
  border: 2px dashed rgba(111, 216, 255, 0.4);
  border-radius: var(--bsk-radius-card);
  cursor: pointer;
  transition: var(--bsk-transition);
  backdrop-filter: blur(8px);
  overflow: hidden;
}
.bsk-dropzone:hover, .bsk-dropzone--dragover {
  border-color: var(--bsk-color-accent-glow);
  background: rgba(111, 216, 255, 0.08);
  box-shadow: 0 0 20px rgba(111, 216, 255, 0.3);
}
.bsk-dropzone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 4px;
}
.bsk-dropzone-icon {
  width: 28px; height: 28px;
  color: var(--bsk-color-accent-glow);
}
.bsk-dropzone-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--bsk-color-text-light);
  text-align: center;
}
.bsk-dropzone-hint {
  font-size: 11px;
  color: var(--bsk-color-text-muted);
}
.bsk-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.bsk-upload-progress {
  position: absolute;
  inset: 0;
  background: rgba(13, 20, 32, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.bsk-upload-spinner {
  width: 24px; height: 24px;
  border: 2px solid rgba(111, 216, 255, 0.2);
  border-top-color: var(--bsk-color-accent-glow);
  border-radius: 50%;
  animation: bskSpin 0.8s linear infinite;
}
@keyframes bskSpin { to { transform: rotate(360deg); } }
.bsk-upload-status { font-size: 12px; color: var(--bsk-color-accent-glow); }

/* ── Barre de confiance ──────────────────────────────────── */
.bsk-trust-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 36px;
  background: rgba(13, 20, 32, 0.85);
  border-top: 1px solid var(--bsk-color-border);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 3vw, 40px);
  padding: 0 16px;
  z-index: var(--bsk-z-bottom);
  pointer-events: none;
}
.bsk-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--bsk-color-text-muted);
  white-space: nowrap;
}
.bsk-trust-item svg { width: 14px; height: 14px; color: var(--bsk-color-accent-glow); flex-shrink: 0; }
.bsk-trust-item strong { color: var(--bsk-color-text-light); font-size: 11px; }
.bsk-trust-item span { display: none; }
@media (min-width: 600px) { .bsk-trust-item span { display: inline; } }

/* ── Panneaux glissants ──────────────────────────────────── */
.bsk-panel {
  position: fixed;
  top: 0; right: 0;
  width: min(420px, 100vw);
  height: 100dvh;
  background: rgba(13, 20, 32, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--bsk-color-border);
  z-index: var(--bsk-z-panels);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  overflow-x: hidden;
  pointer-events: all;
}
.bsk-panel[aria-hidden="false"] { transform: translateX(0); }

.bsk-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--bsk-color-border);
  position: sticky; top: 0;
  background: rgba(13, 20, 32, 0.95);
  backdrop-filter: blur(8px);
}
.bsk-panel-title { font-size: 18px; font-weight: 700; color: var(--bsk-color-accent-glow); }
.bsk-panel-close {
  background: none; border: none;
  color: var(--bsk-color-text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: color var(--bsk-transition), background var(--bsk-transition);
}
.bsk-panel-close:hover { color: var(--bsk-color-text-light); background: rgba(255,255,255,0.06); }
.bsk-panel-content { padding: 20px; }
.bsk-panel-empty { color: var(--bsk-color-text-muted); font-style: italic; text-align: center; padding: 40px 0; }

.bsk-panel-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--bsk-z-panels) - 1);
  pointer-events: all;
}

/* ── Panneaux triggers (boutons discrets) ────────────────── */
.bsk-panel-triggers {
  position: fixed;
  bottom: 40px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: var(--bsk-z-cards);
  pointer-events: all;
}
.bsk-panel-trigger {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bsk-color-bg-panel);
  border: 1px solid var(--bsk-color-border);
  color: var(--bsk-color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  transition: var(--bsk-transition);
}
.bsk-panel-trigger:hover {
  color: var(--bsk-color-accent-glow);
  border-color: var(--bsk-color-accent-glow);
  box-shadow: var(--bsk-shadow-glow);
}
.bsk-panel-trigger svg { width: 17px; height: 17px; }

/* ── Bouton clavier alternatif ───────────────────────────── */
.bsk-keyboard-toggle {
  position: fixed;
  bottom: 40px;
  left: 16px;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bsk-color-bg-panel);
  border: 1px solid var(--bsk-color-border);
  color: var(--bsk-color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  z-index: var(--bsk-z-cards);
  pointer-events: all;
  transition: var(--bsk-transition);
}
.bsk-keyboard-toggle:hover { color: var(--bsk-color-accent-glow); border-color: var(--bsk-color-accent-glow); }
.bsk-keyboard-toggle svg { width: 17px; height: 17px; }

/* ── Réglages (panneaux) ─────────────────────────────────── */
.bsk-setting-group {
  margin-bottom: 20px;
}
.bsk-setting-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--bsk-color-text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.bsk-setting-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.bsk-setting-toggle .bsk-setting-label { margin-bottom: 0; }
.bsk-toggle {
  width: 48px; height: 26px;
  border-radius: 13px;
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--bsk-color-border);
  cursor: pointer;
  position: relative;
  transition: background var(--bsk-transition);
  flex-shrink: 0;
}
.bsk-toggle[aria-checked="true"] { background: var(--bsk-color-accent-glow); }
.bsk-toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: white;
  transition: transform var(--bsk-transition);
}
.bsk-toggle[aria-checked="true"] .bsk-toggle-thumb { transform: translateX(22px); }

.bsk-slider {
  width: 100%;
  accent-color: var(--bsk-color-accent-glow);
  cursor: pointer;
}
.bsk-select {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--bsk-color-border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--bsk-color-text-light);
  font-size: 14px;
  cursor: pointer;
  outline: none;
}
.bsk-setting-buttons { display: flex; gap: 6px; flex-wrap: wrap; }

.bsk-howto-list { padding-left: 20px; }
.bsk-howto-list li { margin-bottom: 10px; font-size: 14px; color: var(--bsk-color-text-light); }

/* ── Modal CGU ───────────────────────────────────────────── */
.bsk-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  z-index: var(--bsk-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.bsk-modal-box {
  background: rgba(18, 26, 38, 0.98);
  border: 1px solid var(--bsk-color-border);
  border-radius: var(--bsk-radius-card);
  padding: 36px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  box-shadow: var(--bsk-shadow-panel);
  animation: bskModalIn 0.4s both;
}
@keyframes bskModalIn {
  from { opacity: 0; transform: scale(0.95) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.bsk-modal-logo { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 20px; }
.bsk-modal-title { font-size: 24px; font-weight: 800; color: var(--bsk-color-accent-glow); margin-bottom: 12px; }
.bsk-modal-text { font-size: 14px; color: var(--bsk-color-text-light); margin-bottom: 12px; line-height: 1.6; }
.bsk-modal-text-small { font-size: 12px; color: var(--bsk-color-text-muted); margin-bottom: 24px; }

/* ── Boutons ─────────────────────────────────────────────── */
.bsk-btn-primary {
  display: inline-block;
  background: var(--bsk-color-accent-glow);
  color: var(--bsk-color-bg-deep);
  border: none;
  border-radius: 50px;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--bsk-transition);
  box-shadow: 0 0 20px rgba(111, 216, 255, 0.4);
  pointer-events: all;
}
.bsk-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(111, 216, 255, 0.6);
}
.bsk-btn-secondary {
  display: inline-block;
  background: rgba(111, 216, 255, 0.15);
  color: var(--bsk-color-accent-glow);
  border: 1px solid var(--bsk-color-accent-glow);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--bsk-transition);
  pointer-events: all;
}
.bsk-btn-secondary:hover { background: rgba(111, 216, 255, 0.25); }
.bsk-link-btn {
  background: none; border: none;
  color: var(--bsk-color-accent-glow);
  cursor: pointer;
  text-decoration: underline;
  font-size: inherit;
}

/* ── Bannière PWA ────────────────────────────────────────── */
.bsk-pwa-banner {
  position: fixed;
  bottom: 38px; left: 0; right: 0;
  background: var(--bsk-color-bg-panel);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--bsk-color-border);
  z-index: var(--bsk-z-pwa);
  padding: 10px 20px;
  pointer-events: all;
}
.bsk-pwa-content { display: flex; align-items: center; gap: 12px; max-width: 900px; margin: 0 auto; }
.bsk-pwa-text { flex: 1; font-size: 13px; color: var(--bsk-color-text-light); }
.bsk-pwa-dismiss {
  background: none; border: none;
  color: var(--bsk-color-text-muted);
  cursor: pointer;
  font-size: 18px;
  padding: 4px 8px;
}

/* ── Responsive mobile-first ─────────────────────────────── */
/* ≤ 599px : smartphone portrait */
@media (max-width: 599px) {
  .bsk-header { padding: 8px 12px; }
  .bsk-logo-tagline { display: none; }
  .bsk-logo-name { font-size: 18px; letter-spacing: 2px; }
  .bsk-glass-card { max-width: 170px; padding: 10px 12px; }
  .bsk-card-title { font-size: 11px; }
  .bsk-card-text, .bsk-card-list { font-size: 11px; }
  .bsk-card--top-left, .bsk-card--top-right { top: 64px; }
  .bsk-card--bottom-left, .bsk-card--bottom-right { bottom: 105px; }
  .bsk-card--top-right { right: 8px; }
  .bsk-card--top-left  { left: 8px; }
  .bsk-card--bottom-left { display: none; }
  .bsk-card--bottom-right { display: none; }
  .bsk-bottom-area { flex-direction: column; gap: 10px; bottom: 40px; }
  .bsk-dropzone { width: 90vw; }
  .bsk-panel { width: 100vw; }
  .bsk-subtitles { bottom: 200px; }
  .bsk-mic-button { width: 64px; height: 64px; }
}

/* 600–899px : smartphone paysage / petite tablette */
@media (min-width: 600px) and (max-width: 899px) {
  .bsk-glass-card { max-width: 200px; }
  .bsk-panel { width: 80vw; }
}

/* 900–1199px : tablette */
@media (min-width: 900px) and (max-width: 1199px) {
  .bsk-panel { width: min(60vw, 400px); }
}

/* ≥ 1200px : desktop */
@media (min-width: 1200px) {
  .bsk-panel { width: 420px; }
}

/* Paysage smartphone */
@media (max-width: 900px) and (orientation: landscape) {
  .bsk-bottom-area {
    flex-direction: row;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
  }
  .bsk-dropzone { height: 70px; }
}

/* Zones sûres iOS/Android */
@supports (padding: env(safe-area-inset-top)) {
  .bsk-header { padding-top: max(12px, env(safe-area-inset-top)); }
  .bsk-trust-bar { padding-bottom: env(safe-area-inset-bottom); height: calc(36px + env(safe-area-inset-bottom)); }
  .bsk-bottom-area { bottom: calc(46px + env(safe-area-inset-bottom)); }
}

/* ── Police dyslexie ─────────────────────────────────────── */
[data-font="dyslexia"] { letter-spacing: 0.15em; word-spacing: 0.2em; line-height: 1.8; }

/* ── Réduction animations ────────────────────────────────── */
@media (prefers-reduced-motion: reduce),
       [data-reduce-motion="true"] * {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

/* ── Loader initial ──────────────────────────────────────── */
.bsk-loading-screen {
  position: fixed; inset: 0;
  background: var(--bsk-color-bg-deep);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity 0.6s;
}
.bsk-loading-screen.bsk-loading--done { opacity: 0; pointer-events: none; }
.bsk-loading-logo { font-size: 48px; font-weight: 800; color: var(--bsk-color-accent-glow); letter-spacing: 6px; }
.bsk-loading-bar {
  width: 200px; height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.bsk-loading-fill {
  height: 100%;
  background: var(--bsk-color-accent-glow);
  border-radius: 2px;
  animation: bskLoadFill 2s ease-in-out forwards;
}
@keyframes bskLoadFill { from { width: 0; } to { width: 100%; } }