/**
 * Cémantix Solver — Styles de l'Arène Mode Battle (Versus IA)
 * ============================================================
 * Design sombre, double jauge de thermomètre sémantique, HUD de confrontation,
 * et adaptation mobile-first pour smartphone et tablette.
 */

/* -------------------------------------------------------------------------
   1. Barre de Contrôles & Scoreboard de Match
   ------------------------------------------------------------------------- */
.battle-control-card {
  margin-bottom: 1.25rem;
}

.battle-difficulty-wrapper {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.battle-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.battle-status-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 0.85rem;
  margin-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

.battle-scoreboard {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  width: 100%;
  max-width: 520px;
  background: rgba(13, 17, 23, 0.65);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.score-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.score-icon {
  font-size: 1.35rem;
}

.score-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.score-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  min-width: 24px;
  text-align: center;
}

.score-player .score-value {
  color: var(--accent);
}

.score-ai .score-value {
  color: #f0883e;
}

.score-divider {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.score-match-badge,
.score-turn-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.score-vs-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* -------------------------------------------------------------------------
   2. HUD de Confrontation (Double Jauge en Temps Réel)
   ------------------------------------------------------------------------- */
.battle-hud-card {
  margin-bottom: 1.25rem;
  background: linear-gradient(180deg, rgba(22, 27, 34, 0.95) 0%, rgba(13, 17, 23, 0.98) 100%);
  border: 1px solid rgba(88, 166, 255, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}

.battle-hud-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #58a6ff 0%, #a371f7 50%, #f0883e 100%);
}

.battle-hud-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.25rem;
}

.hud-side {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.hud-side-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.hud-entity {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.entity-avatar {
  font-size: 1.45rem;
  background: var(--bg-tertiary);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.entity-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.entity-name {
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
}

.hud-player .entity-name {
  color: var(--accent);
}

.hud-ai .entity-name {
  color: #f0883e;
}

.entity-target {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.target-secret {
  color: #a371f7;
  font-family: var(--font-mono);
}

.target-revealed {
  color: #f0883e;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hud-score-badge {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.progress-pct {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.best-metric {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.battle-gauge-wrapper {
  width: 100%;
  height: 12px;
  background: rgba(13, 17, 23, 0.8);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  position: relative;
}

.battle-gauge-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.player-gauge {
  background: linear-gradient(90deg, #1f6feb 0%, #58a6ff 60%, #3fb950 100%);
  box-shadow: 0 0 10px rgba(88, 166, 255, 0.45);
}

.ai-gauge {
  background: linear-gradient(90deg, #d29922 0%, #f0883e 60%, #f85149 100%);
  box-shadow: 0 0 10px rgba(240, 136, 62, 0.45);
}

.hud-vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hud-vs-badge {
  font-size: 1.15rem;
  background: var(--bg-tertiary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

/* -------------------------------------------------------------------------
   3. Bannière de Résultat de Manche
   ------------------------------------------------------------------------- */
.battle-banner {
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, rgba(35, 134, 54, 0.15) 0%, rgba(22, 27, 34, 0.95) 100%);
  border: 1px solid rgba(46, 160, 67, 0.4);
  padding: 1.25rem 1.5rem;
}

.battle-banner.banner-ai-win {
  background: linear-gradient(135deg, rgba(248, 81, 73, 0.15) 0%, rgba(22, 27, 34, 0.95) 100%);
  border-color: rgba(248, 81, 73, 0.4);
}

.battle-banner.banner-draw {
  background: linear-gradient(135deg, rgba(163, 113, 247, 0.15) 0%, rgba(22, 27, 34, 0.95) 100%);
  border-color: rgba(163, 113, 247, 0.4);
}

.battle-banner-content {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.battle-banner-icon {
  font-size: 2.4rem;
  line-height: 1;
}

.battle-banner-text {
  flex: 1;
}

.battle-banner-text h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.battle-banner-text p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}

.battle-banner-words {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.word-reveal-tag {
  font-size: 0.8rem;
  background: var(--bg-tertiary);
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.word-reveal-tag strong {
  color: var(--accent);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

/* -------------------------------------------------------------------------
   4. Spotlight Face-à-Face du Dernier Tour
   ------------------------------------------------------------------------- */
.battle-spotlight-card {
  margin-bottom: 1.25rem;
  padding: 1rem 1.25rem;
}

.battle-spotlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.65rem;
}

.spotlight-cell {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
}

.spotlight-cell-player {
  border-left: 3px solid var(--accent);
}

.spotlight-cell-ai {
  border-left: 3px solid #f0883e;
}

.spotlight-cell-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.cell-entity {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.spotlight-cell-body {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* -------------------------------------------------------------------------
   5. Sélecteur Mobile (Segmented Control pour Smartphone)
   ------------------------------------------------------------------------- */
.mobile-duel-toggle {
  display: none;
  background: var(--bg-tertiary);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  width: 100%;
}

.mobile-toggle-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.6rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.mobile-toggle-btn.active {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

/* -------------------------------------------------------------------------
   6. Guide Sémantique & Tactique (SEO)
   ------------------------------------------------------------------------- */
.battle-guide-card {
  margin-top: 2rem;
  background: var(--bg-secondary);
}

.battle-guide-content {
  padding-top: 0.5rem;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.guide-item {
  background: var(--bg-tertiary);
  padding: 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.guide-icon {
  font-size: 1.6rem;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.guide-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.guide-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   8. Modale de Lancement & Configuration de Manche (Effet Glassmorphism & Blur)
   ========================================================================== */
.battle-modal-card {
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.75), 0 0 40px rgba(240, 136, 62, 0.15);
  animation: modalScaleIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--bg-card);
}

.battle-modal-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal-field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-field-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.modal-tag-optional {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Grille de sélection de difficulté */
.modal-diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
}

.modal-diff-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.3rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.modal-diff-card:hover {
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.modal-diff-card.active {
  border-color: #f0883e;
  background: rgba(240, 136, 62, 0.12);
  box-shadow: 0 0 16px rgba(240, 136, 62, 0.22);
}

.modal-diff-card .diff-badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.modal-diff-card .diff-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-diff-card .diff-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Champ de saisie du mot secret */
.modal-input-container {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.modal-input-icon {
  position: absolute;
  left: 0.85rem;
  font-size: 1.15rem;
  pointer-events: none;
  opacity: 0.8;
}

.modal-input-field {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 0.75rem 0.85rem 0.75rem 2.65rem;
  font-size: 16px;
  font-family: var(--font-mono);
  transition: all var(--transition-fast);
}

.modal-input-field:focus {
  outline: none;
  border-color: #f0883e;
  box-shadow: 0 0 0 3px rgba(240, 136, 62, 0.2);
}

.modal-help-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 0.35rem;
}

.modal-help-text em {
  color: var(--text-primary);
  font-style: normal;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  padding: 1px 4px;
  border-radius: var(--radius-sm);
}

/* Alerte d'erreur dans la modale */
.modal-error-banner {
  margin-top: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(248, 81, 73, 0.15);
  border: 1px solid rgba(248, 81, 73, 0.45);
  color: #f85149;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: modalFadeIn 0.2s ease;
}

/* Boîte de rappels tactiques */
.modal-tactics-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.tactic-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  line-height: 1.4;
}

.tactic-icon {
  font-size: 1rem;
  flex-shrink: 0;
  line-height: 1.2;
}

.btn-start-duel {
  background: linear-gradient(135deg, #f0883e 0%, #d2691e 100%);
  color: #ffffff;
  border: none;
  font-weight: 700;
  padding: 0.65rem 1.4rem;
  box-shadow: 0 4px 14px rgba(240, 136, 62, 0.35);
  transition: all var(--transition-fast);
}

.btn-start-duel:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(240, 136, 62, 0.45);
  filter: brightness(1.08);
}

/* -------------------------------------------------------------------------
   7. Règles Responsive Mobile & Tablette (<= 768px)
   ------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .battle-difficulty-wrapper {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .battle-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
    width: 100%;
  }

  .battle-actions #battle-giveup-btn {
    grid-column: span 2;
  }

  .battle-actions .btn {
    width: 100%;
    min-height: 42px;
    justify-content: center;
    font-size: 0.82rem;
  }

  .battle-scoreboard {
    gap: 0.85rem;
    padding: 0.55rem 0.75rem;
  }

  .score-value {
    font-size: 1.35rem;
  }

  .battle-hud-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .hud-vs-divider {
    display: none;
  }

  .battle-banner-content {
    flex-direction: column;
    text-align: center;
    gap: 0.85rem;
  }

  .battle-banner-words {
    justify-content: center;
  }

  .battle-banner .btn {
    width: 100%;
    min-height: 42px;
  }

  .battle-spotlight-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  /* Affichage du sélecteur d'onglets pour la liste en duel */
  .mobile-duel-toggle {
    display: flex;
  }

  .battle-results-grid {
    grid-template-columns: 1fr;
  }

  /* Sur smartphone, une seule colonne affichée à la fois via le toggle */
  .battle-results-grid.show-player #col-ai-guesses {
    display: none;
  }

  .battle-results-grid.show-ai #col-player-guesses {
    display: none;
  }

  .guide-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  /* Modale sur mobile */
  .battle-modal-card {
    max-height: 94vh;
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-md) var(--radius-md);
  }

  .battle-modal-body {
    padding: 0.85rem 1rem;
    gap: 0.85rem;
  }

  .modal-diff-grid {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .modal-diff-card {
    padding: 0.6rem 0.75rem;
  }

  .modal-footer {
    flex-direction: column-reverse;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }

  .modal-footer .btn {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .spotlight-cell-body {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .score-divider {
    flex-direction: column;
    gap: 2px;
  }
}