/* ── Écran d'entrée Songo ── */

#menu-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.0);
  padding: 20px;
  animation: menuFadeIn 0.6s ease forwards;
}

@keyframes menuFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

#menu-card {
  width: min(92vw, 460px);
  background: linear-gradient(145deg, rgba(8, 20, 16, 0.96), rgba(20, 46, 35, 0.94));
  border: 1.5px solid rgba(95, 227, 168, 0.45);
  border-radius: 22px;
  padding: 44px 40px 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  box-shadow:
    0 12px 64px rgba(0,0,0,0.72),
    0 0 0 1px rgba(127, 240, 182, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.056);
  position: relative;
  overflow: hidden;
}

/* Décor lumineux en haut */
#menu-card::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 180px; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(95, 227, 168, 3, 0.6), transparent);
  border-radius: 2px;
}

/* ── Titre ── */
.menu-title {
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 42px;
  color: #f3e1b4;
  letter-spacing: 0.14em;
  text-shadow:
    0 0 24px rgba(100,215,153,0.24),
    0 2px 8px rgba(0,0,0,0.8);
  margin-bottom: 4px;
  line-height: 1;
}

.menu-subtitle {
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 11px;
  color: #97b49e;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 36px;
}

/* ── Séparateur ── */
.menu-sep {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(210,155,50,0.45), transparent);
  margin: 20px 0;
}

/* ── Boutons principaux ── */
.menu-btn-main {
  width: 100%;
  background: rgba(12, 28, 22, 0.86);
  border: 1px solid rgba(100, 215, 153, 0.38);
  border-radius: 13px;
  color: #dbeedb;
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 14px;
  padding: 14px 24px;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-align: center;
  transition: background 0.22s, border-color 0.22s, box-shadow 0.22s, transform 0.1s;
  box-shadow: 0 3px 14px rgba(0,0,0,0.38);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.menu-btn-main:hover {
  background: rgba(24, 60, 40, 0.9);
  border-color: rgba(242, 201, 109, 0.9);
  color: #f3e1b4;
  box-shadow: 0 5px 22px rgba(100,215,153,0.16);
  transform: translateY(-1px);
}

.menu-btn-main:active {
  transform: scale(0.98) translateY(0);
}

.menu-btn-icon {
  font-size: 17px;
  flex-shrink: 0;
}

/* ── Sous-menu Machine ── */
#machine-submenu {
  width: 100%;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.38s cubic-bezier(0.4,0,0.2,1), opacity 0.28s ease;
  margin-top: -4px;
  margin-bottom: 0;
}

#machine-submenu.open {
  max-height: 380px;
  opacity: 1;
  margin-bottom: 12px;
}

.submenu-label {
  font-family: 'Georgia', serif;
  font-size: 10px;
  color: #7A5828;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  margin: 8px 0 10px;
}

.diff-grid {
  display: flex;
  flex-direction: column;
  gap: 7px;
  width: 100%;
}

.diff-btn {
  width: 100%;
  background: rgba(12,5,0,0.60);
  border: 1px solid rgba(180,120,35,0.45);
  border-radius: 10px;
  color: #C49050;
  font-family: 'Georgia', serif;
  font-size: 12px;
  padding: 10px 18px;
  cursor: pointer;
  letter-spacing: 0.07em;
  text-align: left;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,0.35);
}

.diff-btn:hover {
  background: rgba(90,38,6,0.65);
  border-color: rgba(220,160,55,0.85);
  color: #F0C878;
  transform: translateX(3px);
}

.diff-btn:active { transform: scale(0.98); }

.diff-name { font-weight: bold; }

.diff-desc {
  font-size: 10px;
  color: #7A5828;
  letter-spacing: 0.05em;
  text-align: right;
  font-style: italic;
}

/* Couleurs de niveau */
.diff-btn[data-level="tres-facile"] .diff-name { color: #7DC87D; }
.diff-btn[data-level="facile"]      .diff-name { color: #A8D86A; }
.diff-btn[data-level="moyen"]       .diff-name { color: #D4C050; }
.diff-btn[data-level="difficile"]   .diff-name { color: #E08840; }
.diff-btn[data-level="expert"]      .diff-name { color: #E85A2A; }

.diff-btn[data-level="tres-facile"]:hover { border-color: rgba(125,200,125,0.7); }
.diff-btn[data-level="facile"]:hover      { border-color: rgba(168,216,106,0.7); }
.diff-btn[data-level="moyen"]:hover       { border-color: rgba(212,192,80,0.7);  }
.diff-btn[data-level="difficile"]:hover   { border-color: rgba(224,136,64,0.7);  }
.diff-btn[data-level="expert"]:hover      { border-color: rgba(232,90,42,0.8);   }

/* ── Écran Aide ── */
#help-screen {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.86);
  padding: 20px;
}

#help-screen.open {
  display: flex;
  animation: menuFadeIn 0.25s ease forwards;
}

#help-card {
  width: min(94vw, 560px);
  max-height: 88vh;
  background: rgba(10,4,0,0.97);
  border: 1.5px solid rgba(210,155,50,0.70);
  border-radius: 20px;
  padding: 36px 38px 32px;
  overflow-y: auto;
  box-shadow: 0 12px 64px rgba(0,0,0,0.85);
  scrollbar-width: thin;
  scrollbar-color: rgba(200,140,45,0.4) transparent;
}

#help-card h2 {
  font-family: 'Georgia', serif;
  color: #F5D49A;
  font-size: 22px;
  letter-spacing: 0.10em;
  margin-bottom: 20px;
  text-align: center;
  text-shadow: 0 0 16px rgba(245,212,154,0.35);
}

#help-card h3 {
  font-family: 'Georgia', serif;
  color: #D4A86A;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 20px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(210,155,50,0.28);
}

#help-card p, #help-card li {
  font-family: 'Georgia', serif;
  color: #A07840;
  font-size: 12.5px;
  line-height: 1.75;
  margin-bottom: 6px;
}

#help-card ul {
  padding-left: 18px;
}

#help-card li { margin-bottom: 4px; }

#help-card .help-highlight {
  color: #E0B060;
  font-style: italic;
}

.help-close-btn {
  display: block;
  margin: 24px auto 0;
  background: rgba(20,8,0,0.70);
  border: 1px solid rgba(200,140,45,0.65);
  border-radius: 11px;
  color: #D4A86A;
  font-family: 'Georgia', serif;
  font-size: 13px;
  padding: 10px 34px;
  cursor: pointer;
  letter-spacing: 0.07em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.help-close-btn:hover {
  background: rgba(110,50,8,0.72);
  border-color: rgba(230,170,60,0.95);
  color: #F5D49A;
}

/* ── Indicateur de difficulté en jeu ── */
#difficulty-badge {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 7;
  display: none;
  align-items: center;
  gap: 6px;
  background: rgba(10,4,0,0.82);
  border: 1px solid rgba(200,140,45,0.40);
  border-radius: 16px;
  padding: 5px 14px;
  pointer-events: none;
}

#difficulty-badge.visible {
  display: flex;
}

#difficulty-badge span {
  font-family: 'Georgia', serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#diff-label-prefix { color: #6A4820; }
#diff-label-name   { color: #D4A86A; font-weight: bold; }

@media (max-width: 480px) {
  #menu-card { padding: 32px 20px 28px; }
  .menu-title { font-size: 34px; }
  #help-card  { padding: 24px 20px 20px; }
}

/* ══════════════════════════════
   PANNEAU SALLE EN LIGNE
══════════════════════════════ */
#room-panel-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 9000;
  align-items: center;
  justify-content: center;
}
#room-panel-overlay.visible {
  display: flex;
}

#room-panel {
  position: relative;
  background: linear-gradient(160deg, #1a1200 0%, #2a1e00 60%, #1a1200 100%);
  border: 1.5px solid rgba(210,155,50,0.55);
  border-radius: 18px;
  padding: 36px 32px 28px;
  min-width: 320px;
  max-width: 400px;
  width: 92vw;
  box-shadow: 0 8px 40px rgba(0,0,0,0.7), 0 0 0 1px rgba(210,155,50,0.15);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.room-panel-close {
  position: absolute;
  top: 14px; right: 18px;
  background: none;
  border: none;
  color: rgba(210,155,50,0.7);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.room-panel-close:hover {
  color: #d29b32;
  background: rgba(210,155,50,0.1);
}

.room-panel-title {
  font-family: 'Georgia', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #d29b32;
  text-align: center;
  letter-spacing: 0.05em;
}

/* Boutons choix action */
#room-action-choice {
  display: flex;
  gap: 12px;
}
.room-action-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  background: rgba(210,155,50,0.07);
  border: 1.5px solid rgba(210,155,50,0.25);
  border-radius: 12px;
  padding: 16px 10px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  color: #e8c97a;
}
.room-action-btn:hover {
  background: rgba(210,155,50,0.16);
  border-color: rgba(210,155,50,0.6);
  transform: translateY(-2px);
}
.room-action-btn.selected {
  background: rgba(210,155,50,0.2);
  border-color: #d29b32;
}
.room-action-icon {
  font-size: 1.6rem;
  line-height: 1;
}
.room-action-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: #d29b32;
  text-align: center;
}
.room-action-desc {
  font-size: 0.72rem;
  color: rgba(210,155,50,0.65);
  text-align: center;
}

/* Zones create / join */
.room-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.room-zone-label {
  font-size: 0.82rem;
  color: rgba(210,155,50,0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Rangée de partage (code + lien) */
.room-share-row {
  display: flex;
  gap: 8px;
  width: 100%;
}
.room-share-btn {
  flex: 1;
  padding: 8px 6px;
  background: rgba(210,155,50,0.12);
  border: 1px solid rgba(210,155,50,0.35);
  border-radius: 8px;
  color: #f5d97a;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: background 0.2s, border-color 0.2s, transform 0.12s;
  white-space: nowrap;
}
.room-share-btn:hover {
  background: rgba(210,155,50,0.22);
  border-color: rgba(210,155,50,0.6);
  transform: translateY(-1px);
}
.room-share-btn.copied {
  background: rgba(126,207,126,0.18);
  border-color: rgba(126,207,126,0.5);
  color: #7ecf7e;
}

/* Affichage du code généré */
#room-code-display {
  font-family: 'Courier New', monospace;
  font-size: 1.9rem;
  font-weight: 700;
  color: #f5d97a;
  letter-spacing: 0.12em;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(210,155,50,0.35);
  border-radius: 10px;
  padding: 10px 24px;
  cursor: pointer;
  user-select: all;
  transition: background 0.2s;
}
#room-code-display:hover {
  background: rgba(210,155,50,0.1);
}
.room-code-hint {
  font-size: 0.75rem;
  color: rgba(210,155,50,0.55);
  text-align: center;
}

/* Champ de saisie code */
.room-code-input {
  width: 100%;
  font-family: 'Courier New', monospace;
  font-size: 1.35rem;
  font-weight: 700;
  color: #f5d97a;
  background: rgba(0,0,0,0.4);
  border: 1.5px solid rgba(210,155,50,0.35);
  border-radius: 10px;
  padding: 10px 16px;
  text-align: center;
  letter-spacing: 0.1em;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.room-code-input:focus {
  border-color: #d29b32;
  background: rgba(0,0,0,0.55);
}
.room-code-input::placeholder {
  color: rgba(210,155,50,0.3);
  font-size: 1rem;
}

/* Bouton confirmer */
.room-zone-btn {
  width: 100%;
  padding: 13px 0;
  background: linear-gradient(135deg, #b8831e, #d29b32);
  border: none;
  border-radius: 10px;
  color: #1a1200;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: opacity 0.2s, transform 0.15s;
}
.room-zone-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}
.room-zone-btn:active {
  transform: translateY(0);
}

/* Message d'état */
#room-panel-msg {
  min-height: 20px;
  font-size: 0.82rem;
  color: rgba(210,155,50,0.8);
  text-align: center;
  line-height: 1.4;
}
#room-panel-msg.error {
  color: #e06060;
}
#room-panel-msg.success {
  color: #7ecf7e;
}