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

button, a, [role="button"] { -webkit-tap-highlight-color: transparent; -webkit-touch-callout: none; touch-action: manipulation; }

:root {
  --bg-deep: #0a0e27;
  --bg-card: #141937;
  --bg-card-hover: #1c2347;
  --primary: #6c63ff;
  --primary-light: #8b83ff;
  --accent: #00d4aa;
  --accent-glow: rgba(0, 212, 170, 0.3);
  --gold: #ffd700;
  --correct: #00d4aa;
  --wrong: #ff6b6b;
  --text: #e8e6f0;
  --text-dim: #9896a8;
  --text-muted: #6b6980;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --font: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  font-size: 16px;
  background: var(--bg-deep);
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}
body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 50% 10%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 20% 80%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 60% 70%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 80% 20%, rgba(255,255,255,0.6), transparent),
    radial-gradient(2px 2px at 15% 50%, rgba(108,99,255,0.4), transparent),
    radial-gradient(2px 2px at 85% 55%, rgba(0,212,170,0.3), transparent);
  pointer-events: none;
  z-index: 0;
}

.app { position: relative; z-index: 1; min-height: 100dvh; display: flex; flex-direction: column; }

/* ── Loading ── */
.loading-screen { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100dvh; gap: 16px; }
.loading-rocket { font-size: 48px; animation: float 2s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ── Nav ── */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; background: rgba(20,25,55,0.8); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(108,99,255,0.15); position: sticky; top: 0; z-index: 100; }
.nav-logo { font-size: 1.5rem; font-weight: 800; background: linear-gradient(135deg, var(--primary-light), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; cursor: pointer; }

.nav-user { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text-dim); font-size: 0.9rem; }
.nav-avatar { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; font-size: 16px; }
.nav-btn { background: none; border: 1px solid rgba(255,255,255,0.1); color: var(--text-dim); padding: 6px 10px; border-radius: 8px; cursor: pointer; font-family: var(--font); font-size: 1rem; transition: all 0.2s; min-width: 36px; }
.nav-btn:hover { border-color: var(--primary); color: var(--text); }
.nav-btn.active { border-color: var(--primary); color: var(--text); background: rgba(108,99,255,0.15); }
.nav-avatar-btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 50%; border: 2px solid rgba(255,255,255,0.1); cursor: pointer; transition: all 0.2s; }
.nav-avatar-btn:hover { border-color: var(--primary); }

.container { max-width: 800px; margin: 0 auto; padding: 20px; width: 100%; }

/* ── Login ── */

.login-card { background: var(--bg-card); border-radius: var(--radius); padding: 40px 32px; width: 100%; max-width: 420px; box-shadow: var(--shadow); border: 1px solid rgba(108,99,255,0.15); }
.login-title { font-size: 2.5rem; font-weight: 800; text-align: center; background: linear-gradient(135deg, var(--primary-light), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 4px; }
.login-subtitle { text-align: center; color: var(--text-dim); margin-bottom: 32px; font-size: 1rem; }
.login-tabs { display: flex; gap: 4px; background: rgba(255,255,255,0.05); border-radius: 10px; padding: 4px; margin-bottom: 24px; }
.login-tab { flex: 1; padding: 10px; border: none; background: none; color: var(--text-dim); font-family: var(--font); font-size: 0.9rem; font-weight: 600; border-radius: 8px; cursor: pointer; transition: all 0.2s; }
.login-tab.active { background: var(--primary); color: white; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.85rem; color: var(--text-dim); }
.form-group input { width: 100%; padding: 12px 16px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-sm); color: var(--text); font-family: var(--font); font-size: 1rem; transition: border-color 0.2s; outline: none; }
.form-group input:focus { border-color: var(--primary); }
.form-group input::placeholder { color: var(--text-muted); }

.btn { width: 100%; padding: 14px; border: none; border-radius: var(--radius-sm); font-family: var(--font); font-size: 1rem; font-weight: 700; cursor: pointer; transition: all 0.2s; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: white; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(108,99,255,0.4); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.form-error { color: var(--wrong); font-size: 0.85rem; margin-top: 12px; text-align: center; }

/* ── Home ── */
.home-hero { text-align: center; padding: 32px 0 24px; }
.home-hero h1 { font-size: 1.8rem; font-weight: 800; margin-bottom: 8px; }
.home-hero p { color: var(--text-dim); }

.stats-row { display: flex; gap: 12px; margin-bottom: 24px; overflow-x: auto; padding-bottom: 8px; }
.stat-card { flex: 1; min-width: 120px; background: var(--bg-card); border-radius: var(--radius-sm); padding: 16px; text-align: center; border: 1px solid rgba(108,99,255,0.1); }
.stat-value { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

.theme-grid { display: grid; gap: 16px; }
.theme-card { background: var(--bg-card); border-radius: var(--radius); padding: 24px; border: 1px solid rgba(108,99,255,0.1); cursor: pointer; transition: all 0.25s; position: relative; overflow: auto; }
.theme-card:hover { transform: translateY(-2px); border-color: rgba(108,99,255,0.3); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.theme-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0; transition: opacity 0.2s; }
.theme-card:hover::after { opacity: 1; }
.theme-icon { font-size: 2.5rem; margin-bottom: 12px; }
.theme-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.theme-desc { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 12px; }
.theme-meta { display: flex; gap: 16px; font-size: 0.8rem; color: var(--text-muted); }
.theme-meta span { display: flex; align-items: center; gap: 4px; }

.section-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; color: var(--text-dim); display: flex; align-items: center; gap: 8px; }

/* ── Quiz ── */
.quiz-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.quiz-progress { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.progress-bar { width: 200px; height: 8px; background: rgba(255,255,255,0.1); border-radius: 4px; overflow: auto; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 4px; transition: width 0.5s ease; }
.quiz-score { font-weight: 700; color: var(--accent); }

.question-card { background: var(--bg-card); border-radius: var(--radius); padding: 16px; border: 1px solid rgba(108,99,255,0.1); margin-bottom: 10px; }
.question-difficulty { display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; margin-bottom: 16px; }
.diff-curieux { background: rgba(0,212,170,0.15); color: var(--accent); }
.diff-explorateur { background: rgba(108,99,255,0.15); color: var(--primary-light); }
.diff-expert { background: rgba(255,215,0,0.15); color: var(--gold); }
.question-text { font-size: 1.2rem; font-weight: 700; line-height: 1.5; }

.answers-grid { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.answer-btn { background: var(--bg-card); border: 2px solid rgba(255,255,255,0.1); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text); font-family: var(--font); font-size: 0.95rem; font-weight: 600; cursor: pointer; text-align: left; transition: all 0.2s; display: flex; align-items: center; }
.answer-btn:hover:not(:disabled) { border-color: var(--primary); background: var(--bg-card-hover); transform: translateX(4px); }
.answer-btn:disabled { cursor: default; }
.answer-btn.selected { border-color: var(--primary); background: rgba(108,99,255,0.1); }
.answer-btn.correct { border-color: var(--correct); background: rgba(0,212,170,0.1); }
.answer-btn.wrong { border-color: var(--wrong); background: rgba(255,107,107,0.1); }
.answer-btn.reveal-correct { border-color: var(--correct); background: rgba(0,212,170,0.1); }

/* ── Feedback ── */
.feedback { background: var(--bg-card); border-radius: var(--radius); padding: 18px; margin-top: 12px; border: 1px solid rgba(108,99,255,0.1); }
.feedback-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.feedback-icon { font-size: 2rem; }
.feedback-title { font-size: 1.1rem; font-weight: 700; }
.feedback-title.correct { color: var(--correct); }
.feedback-title.wrong { color: var(--wrong); }
.feedback-explanation { color: var(--text-dim); margin-bottom: 16px; font-size: 0.95rem; line-height: 1.5; }

.fact-card { background: rgba(255,215,0,0.05); border: 1px solid rgba(255,215,0,0.2); border-radius: var(--radius-sm); padding: 14px; }
.fact-card-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; background: rgba(255,215,0,0.15); color: var(--gold); margin-bottom: 10px; }
.fact-card h4 { font-size: 1rem; margin-bottom: 8px; color: var(--gold); }
.fact-card p { font-size: 0.9rem; color: var(--text-dim); line-height: 1.6; }

.next-btn { margin-top: 14px; }

/* ── Summary ── */
.summary-page { text-align: center; padding-top: 32px; }
.summary-score { font-size: 4rem; font-weight: 800; background: linear-gradient(135deg, var(--primary-light), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.summary-label { font-size: 1.1rem; color: var(--text-dim); margin-bottom: 24px; }
.summary-stats { display: flex; gap: 16px; justify-content: center; margin-bottom: 32px; flex-wrap: wrap; }
.summary-stat { background: var(--bg-card); border-radius: var(--radius-sm); padding: 20px 24px; min-width: 140px; border: 1px solid rgba(108,99,255,0.1); }
.summary-stat .stat-value { font-size: 1.8rem; }
.summary-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.summary-actions .btn { width: auto; padding: 14px 28px; }
.btn-outline { background: none; border: 2px solid var(--primary); color: var(--primary-light); }
.btn-outline:hover { background: rgba(108,99,255,0.1); }

/* ── Cards page ── */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card-item { background: var(--bg-card); border-radius: var(--radius); padding: 20px; border: 1px solid rgba(255,215,0,0.15); transition: all 0.2s; cursor: pointer; }
.card-item:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); border-color: rgba(255,215,0,0.3); }
.card-item h3 { font-size: 1rem; color: var(--gold); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.card-item p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.5; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.card-tag { padding: 2px 8px; background: rgba(108,99,255,0.1); border-radius: 12px; font-size: 0.7rem; color: var(--primary-light); }
.cards-empty { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.cards-empty .emoji { font-size: 3rem; margin-bottom: 12px; }

/* Filter chips */
.cards-filter-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 20px;
  padding-bottom: 4px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.cards-filter-chips::-webkit-scrollbar { height: 4px; }
.cards-filter-chips::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }
.chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  min-height: 36px;
}
.chip:hover { border-color: rgba(255,255,255,0.25); color: var(--text); }
.chip-active { background: rgba(108,99,255,0.1); border-color: var(--primary-light); color: var(--text); font-weight: 600; }
.chip-icon { font-size: 1rem; }
.chip-count {
  font-size: 0.75rem;
  padding: 1px 7px;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  color: var(--text-dim);
  font-weight: 600;
}
.chip-active .chip-count { background: rgba(255,255,255,0.15); color: var(--text); }

/* Theme badge on cards */
.card-theme-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 10px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.85;
}

/* Lien dans la page arbre vers l'encyclopédie */
.tree-cards-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  margin: 12px 0 4px;
  background: rgba(255,215,0,0.08);
  border: 1px solid rgba(255,215,0,0.25);
  border-radius: 999px;
  color: var(--gold);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.15s;
  min-height: 40px;
}
.tree-cards-link:hover {
  background: rgba(255,215,0,0.15);
  border-color: rgba(255,215,0,0.5);
  transform: translateY(-1px);
}

/* ── Pull-to-refresh ── */
.ptr-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  overflow: hidden;
  transition: height 0.15s ease-out, opacity 0.15s;
  color: var(--text-dim);
  font-size: 0.8rem;
  user-select: none;
  -webkit-user-select: none;
}
.ptr-arrow {
  font-size: 1.2rem;
  transition: transform 0.15s;
  color: var(--gold);
}
.ptr-spinner {
  width: 22px;
  height: 22px;
  border: 2px solid rgba(255,215,0,0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: ptr-spin 0.8s linear infinite;
}
@keyframes ptr-spin { to { transform: rotate(360deg); } }
.ptr-label {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ── Duel toast (notifications voyantes) ── */
.duel-toast {
  position: fixed;
  top: max(16px, env(safe-area-inset-top, 16px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  align-items: stretch;
  gap: 0;
  background: linear-gradient(135deg, rgba(108,99,255,0.95), rgba(74,144,217,0.95));
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 24px rgba(108,99,255,0.4);
  max-width: calc(100vw - 24px);
  width: 360px;
  overflow: hidden;
  backdrop-filter: blur(8px);
  animation: duel-toast-pulse 2s ease-in-out infinite;
}
.duel-toast-challenge {
  background: linear-gradient(135deg, rgba(229,57,53,0.95), rgba(255,107,53,0.95));
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 24px rgba(229,57,53,0.5);
}
.duel-toast-completed {
  background: linear-gradient(135deg, rgba(255,215,0,0.95), rgba(245,166,35,0.95));
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 24px rgba(255,215,0,0.5);
  color: #1a1a2e;
}
.duel-toast-completed .duel-toast-text,
.duel-toast-completed .duel-toast-arrow { color: #1a1a2e; }
.duel-toast-to_play {
  background: linear-gradient(135deg, rgba(0,172,193,0.95), rgba(74,144,217,0.95));
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 24px rgba(0,172,193,0.5);
}
@keyframes duel-toast-pulse {
  0%, 100% { transform: translateX(-50%) scale(1); }
  50% { transform: translateX(-50%) scale(1.02); }
}
.duel-toast-body {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: none;
  border: none;
  color: #fff;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}
.duel-toast-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}
.duel-toast-text {
  flex: 1;
  color: #fff;
}
.duel-toast-arrow {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
  flex-shrink: 0;
}
.duel-toast-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 1.6rem;
  padding: 0 14px;
  cursor: pointer;
  align-self: stretch;
  transition: color 0.15s;
}
.duel-toast-close:hover { color: #fff; }
.duel-toast-completed .duel-toast-close { color: rgba(26,26,46,0.6); }
.duel-toast-completed .duel-toast-close:hover { color: #1a1a2e; }

.back-btn { display: inline-flex; align-items: center; gap: 6px; color: var(--text-dim); font-family: var(--font); font-weight: 600; background: none; border: none; cursor: pointer; margin-bottom: 20px; font-size: 0.9rem; }
.back-btn:hover { color: var(--text); }

/* ── Modal ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 20px; backdrop-filter: blur(4px); }
.modal { background: var(--bg-card); border-radius: var(--radius); padding: 32px; max-width: 500px; width: 100%; max-height: 80vh; overflow-y: auto; border: 1px solid rgba(108,99,255,0.2); }
.modal h3 { font-size: 1.2rem; color: var(--gold); margin-bottom: 12px; }
.modal p { color: var(--text-dim); line-height: 1.6; font-size: 0.95rem; }
.modal-close { margin-top: 20px; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .container { padding: 16px; }
  .login-card { padding: 32px 20px; }
  .login-title { font-size: 2rem; }
  .question-card { padding: 20px 14px; }
  .question-text { font-size: 1rem; }
  .answers-grid { grid-template-columns: 1fr; }
  .stats-row { gap: 8px; }
  .stat-card { padding: 12px; min-width: 100px; }
  .progress-bar { width: 120px; }
  .summary-score { font-size: 3rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .nav { padding: 12px 16px; }
}

/* ── Ranking ── */
.ranking-header { margin-bottom: 20px; text-align: center; }
.ranking-title { font-size: 1.4rem; font-weight: 900; background: linear-gradient(135deg, #ffd700, #ff6b6b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.ranking-week { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }
.ranking-subtitle { font-size: 0.75rem; color: var(--text-dim); margin-top: 4px; }
.ranking-my-card { background: linear-gradient(135deg, rgba(108,99,255,0.15), rgba(255,215,0,0.1)); border: 1px solid rgba(108,99,255,0.3); border-radius: var(--radius); padding: 16px; margin-top: 16px; display: flex; align-items: center; gap: 16px; }
.ranking-my-stats { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 12px; padding: 12px 20px; background: linear-gradient(135deg, rgba(108,99,255,0.15), rgba(255,215,0,0.1)); border: 1px solid rgba(108,99,255,0.3); border-radius: var(--radius); }
.ranking-my-rank { font-size: 1.6rem; font-weight: 900; color: var(--accent); }
.ranking-my-points { font-size: 1.2rem; font-weight: 900; color: var(--gold); }
.ranking-my-tier { font-size: 0.85rem; font-weight: 700; color: var(--text-dim); }
.ranking-my-accuracy { font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

.ranking-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.ranking-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--bg-card); border: 1px solid rgba(255,255,255,0.04); transition: all 0.2s; }
.ranking-row.me { border-color: rgba(108,99,255,0.4); background: rgba(108,99,255,0.08); box-shadow: 0 0 12px rgba(108,99,255,0.15); }
.ranking-row.podium { border-color: rgba(255,215,0,0.15); }
.ranking-rank { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 0.8rem; background: rgba(255,255,255,0.05); color: var(--text-muted); flex-shrink: 0; }
.ranking-avatar { font-size: 1.3rem; flex-shrink: 0; }
.ranking-info { flex: 1; min-width: 0; }
.ranking-name { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 0.85rem; color: var(--text); }
.ranking-me-badge { font-size: 0.6rem; background: var(--accent); color: white; padding: 1px 6px; border-radius: 8px; font-weight: 600; }
.ranking-details { display: block; font-size: 0.65rem; color: var(--text-muted); }
.ranking-right { text-align: right; flex-shrink: 0; }
.ranking-points { font-size: 1.1rem; font-weight: 900; color: var(--gold); }
.ranking-points-col { text-align: right; flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; }
.ranking-pts-label { font-size: 0.6rem; color: var(--text-muted); font-weight: 600; }
.ranking-tier { font-size: 0.65rem; font-weight: 700; color: var(--text-muted); flex-shrink: 0; min-width: 70px; text-align: right; }

.ranking-legend { background: var(--bg-card); border-radius: var(--radius); padding: 16px; border: 1px solid rgba(255,255,255,0.05); }
.ranking-legend h4 { font-size: 0.85rem; font-weight: 800; margin-bottom: 10px; color: var(--accent); }
.ranking-legend-grid { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; font-size: 0.8rem; color: var(--text-dim); }
.ranking-legend-grid span:nth-child(even) { font-weight: 800; color: var(--gold); text-align: right; }
.ranking-reset-info { margin-top: 10px; font-size: 0.7rem; color: var(--text-muted); text-align: center; line-height: 1.4; }

@media (max-width: 600px) { .ranking-tier { display: none; } }

/* ── Missions ── */
.missions-bar { background: var(--bg-card); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; border: 1px solid rgba(108,99,255,0.1); }
.missions-bar-title { font-size: 0.9rem; font-weight: 800; color: var(--accent); margin-bottom: 10px; }
.missions-list { display: flex; flex-direction: column; gap: 8px; }
.mission-chip { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05); transition: all 0.2s; }
.mission-chip.completed { background: rgba(81,207,102,0.06); border-color: rgba(81,207,102,0.2); }
.mission-icon { font-size: 1.3rem; flex-shrink: 0; }
.mission-info { flex: 1; display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.mission-title { font-size: 0.8rem; font-weight: 700; color: var(--text); }
.mission-desc { font-size: 0.7rem; color: var(--text-muted); }
.mission-progress-ring { flex-shrink: 0; }
.mission-pct { font-size: 0.75rem; font-weight: 800; color: var(--accent); }
.mission-check { font-size: 1rem; }
.mission-bonus { font-size: 0.7rem; font-weight: 700; color: var(--gold); white-space: nowrap; }

/* Mission completed banner in quiz */
.mission-completed-banner { display: flex; align-items: center; gap: 10px; background: linear-gradient(135deg, rgba(81,207,102,0.1), rgba(255,215,0,0.1)); border: 1px solid rgba(81,207,102,0.3); border-radius: var(--radius-sm); padding: 12px 14px; margin-top: 8px; }
.mission-completed-icon { font-size: 1.5rem; }
.mission-completed-info { flex: 1; }
.mission-completed-label { display: block; font-size: 0.65rem; font-weight: 800; color: #51cf66; text-transform: uppercase; letter-spacing: 0.5px; }
.mission-completed-title { display: block; font-size: 0.9rem; font-weight: 700; color: var(--text); }
.mission-completed-desc { display: block; font-size: 0.75rem; color: var(--text-dim); margin-top: 2px; }
.mission-completed-bonus { font-size: 1.1rem; font-weight: 900; color: var(--gold); }

@media (max-width: 600px) { .mission-chip { padding: 8px 10px; } }

/* ── Connection FULLSCREEN BAM ── */
.connection-teaser { text-align: center; font-size: 0.85rem; font-weight: 700; color: #22b8cf; padding: 10px; margin-top: 8px; border-radius: var(--radius-sm); background: rgba(34,184,207,0.08); border: 1px solid rgba(34,184,207,0.2); cursor: pointer; animation: pulse-border 2s ease infinite; }
@keyframes pulse-border { 0%, 100% { border-color: rgba(34,184,207,0.2); } 50% { border-color: rgba(34,184,207,0.6); } }

.connection-fullscreen { position: fixed; inset: 0; z-index: 9999; background: radial-gradient(ellipse at center, rgba(20,10,50,0.97), rgba(5,5,15,0.99)); display: flex; align-items: flex-start; justify-content: center; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 20px 0; animation: connectionBG 2s ease-in-out; }
@keyframes connectionBG { 0% { background: radial-gradient(ellipse at center, rgba(34,184,207,0.4), rgba(5,5,15,0.99)); } 100% { background: radial-gradient(ellipse at center, rgba(20,10,50,0.97), rgba(5,5,15,0.99)); } }
.connection-confetti-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.connection-fullscreen-content { position: relative; z-index: 1; text-align: center; padding: 24px; max-width: 420px; width: 90%; margin: auto 0; }
.connection-boom-emoji { font-size: 4rem; margin-bottom: 8px; filter: drop-shadow(0 0 20px rgba(34,184,207,0.6)); }
.connection-boom-title { font-size: 2rem; font-weight: 900; letter-spacing: 3px; background: linear-gradient(135deg, #22b8cf, #ffd700, #ff6b6b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 4px; text-shadow: none; }
.connection-boom-sub { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-bottom: 24px; }

.connection-boom-chain { margin-bottom: 16px; }
.connection-boom-card { padding: 12px; border-radius: 12px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(10px); }
.connection-boom-icon { font-size: 1.8rem; display: block; margin-bottom: 4px; }
.connection-boom-name { font-size: 0.9rem; font-weight: 700; color: #fff; display: block; }
.connection-boom-theme { font-size: 0.7rem; color: rgba(255,255,255,0.4); }
.connection-boom-link { display: flex; align-items: center; padding: 8px 0; transform-origin: center; }
.connection-boom-line-l, .connection-boom-line-r { flex: 1; height: 3px; background: linear-gradient(90deg, transparent, #22b8cf); border-radius: 2px; }
.connection-boom-line-r { background: linear-gradient(90deg, #22b8cf, transparent); }
.connection-boom-tag { padding: 4px 16px; font-size: 0.85rem; font-weight: 900; color: #fff; background: linear-gradient(135deg, #22b8cf, #6c63ff); border-radius: 20px; white-space: nowrap; margin: 0 6px; box-shadow: 0 0 20px rgba(34,184,207,0.4); animation: tagPulse 1.5s ease-in-out infinite; }
@keyframes tagPulse { 0%,100% { box-shadow: 0 0 20px rgba(34,184,207,0.4); } 50% { box-shadow: 0 0 30px rgba(34,184,207,0.7), 0 0 60px rgba(108,99,255,0.3); } }
.connection-boom-btn { margin-top: 24px; width: 100%; font-size: 1.1rem; padding: 14px; }
.connection-boom-explanation {
  margin-top: 12px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.92);
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 10px 16px;
  line-height: 1.5;
  border-left: 3px solid #ffd700;
  text-align: left;
}

/* ── Connections ── */
.connections-header { margin-bottom: 24px; }
.connections-title { font-size: 1.4rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), #22b8cf); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.connections-subtitle { color: var(--text-muted); font-size: 0.9rem; margin-top: 4px; }
.connections-count { margin-top: 12px; display: inline-flex; align-items: center; gap: 8px; background: rgba(108,99,255,0.08); padding: 6px 14px; border-radius: 20px; }
.connections-count-value { font-size: 1.2rem; font-weight: 900; color: var(--accent); }
.connections-count-label { font-size: 0.8rem; color: var(--text-muted); }

.connections-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }

.connection-card { background: var(--bg-card); border-radius: var(--radius); padding: 16px; border: 1px solid rgba(108,99,255,0.1); cursor: pointer; transition: all 0.2s; }
.connection-card:hover { border-color: rgba(108,99,255,0.3); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

.connection-bridge { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.connection-theme { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 12px; border-radius: 10px; border: 2px solid; background: rgba(255,255,255,0.02); min-width: 70px; }
.connection-theme-icon { font-size: 1.3rem; }
.connection-theme-name { font-size: 0.65rem; font-weight: 700; color: var(--text-muted); }

.connection-link { flex: 1; display: flex; align-items: center; gap: 4px; }
.connection-line { flex: 1; height: 2px; background: linear-gradient(90deg, rgba(108,99,255,0.3), rgba(34,184,207,0.3)); }
.connection-tags { display: flex; flex-wrap: wrap; gap: 3px; justify-content: center; }
.connection-tag { font-size: 0.6rem; padding: 2px 7px; border-radius: 8px; background: rgba(34,184,207,0.15); color: #22b8cf; font-weight: 700; white-space: nowrap; }

.connection-cards-preview { display: flex; flex-direction: column; gap: 6px; }
.connection-card-mini { font-size: 0.8rem; font-weight: 600; color: var(--text-dim); padding: 6px 10px; border-left: 3px solid; border-radius: 4px; background: rgba(255,255,255,0.02); }

/* Connection modal */
.connection-modal { max-width: 550px; }
.connection-modal-header { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; font-size: 1.2rem; }
.connection-modal-header h3 { font-weight: 800; background: linear-gradient(135deg, var(--accent), #22b8cf); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.connection-modal-explanation { font-size: 0.95rem; color: var(--text); background: rgba(34,184,207,0.08); border-left: 3px solid #22b8cf; border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; line-height: 1.5; }
.connection-modal-cards { display: flex; flex-direction: column; gap: 0; }
.connection-modal-card { padding: 14px; border: 1px solid; border-radius: var(--radius-sm); background: rgba(255,255,255,0.02); }
.connection-modal-card h4 { color: var(--gold); margin-bottom: 6px; font-size: 0.95rem; }
.connection-modal-card p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.5; }
.connection-modal-card-theme { font-size: 0.75rem; font-weight: 700; color: var(--text-muted); margin-bottom: 8px; }
.connection-modal-bridge { display: flex; align-items: center; justify-content: center; padding: 6px 0; }
.connection-modal-bridge-line { flex: 1; height: 2px; background: linear-gradient(90deg, transparent, rgba(34,184,207,0.3), transparent); }
.connection-modal-bridge-tag { padding: 4px 14px; font-size: 0.8rem; font-weight: 800; color: #fff; background: linear-gradient(135deg, #22b8cf, #6c63ff); border-radius: 16px; white-space: nowrap; }

@media (max-width: 600px) { .connections-grid { grid-template-columns: 1fr; } }

/* ── Timer bar ── */
.timer-bar-container { position: relative; width: 100%; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; margin-bottom: 8px; }
.timer-bar-fill { height: 100%; transition: width 0.05s linear; border-radius: 4px; }
.timer-bar-text { position: absolute; right: 8px; top: 10px; font-size: 0.75rem; font-weight: 700; }

/* ── Streak badge ── */
.streak-container { display: flex; justify-content: center; padding: 2px 0; min-height: 28px; }
.streak-badge { display: flex; align-items: center; gap: 6px; background: linear-gradient(135deg, #ff6b3520, #ff922b20); border: 1px solid rgba(255,146,43,0.3); padding: 6px 16px; border-radius: 20px; }
.streak-fire { font-size: 1rem; }
.streak-count { font-size: 1.2rem; font-weight: 900; color: #ff922b; }
.streak-label { font-size: 0.65rem; font-weight: 800; color: #ff922b; letter-spacing: 1px; text-transform: uppercase; }

/* ── Points popup ── */
.points-popup { position: relative; display: flex; align-items: center; justify-content: center; gap: 8px; pointer-events: none; }
.points-value { font-size: 1.5rem; font-weight: 900; color: var(--gold); text-shadow: 0 0 20px rgba(255,215,0,0.5); }
.points-bonus { font-size: 0.85rem; font-weight: 700; color: #ff922b; }

/* ── Quiz nav enhanced ── */
.quiz-nav { gap: 12px; }
.quiz-header-stats { display: flex; gap: 8px; align-items: center; }
.quiz-score-badge { font-size: 0.85rem; font-weight: 700; }
.quiz-points-badge { font-size: 0.85rem; font-weight: 700; color: var(--gold); background: rgba(255,215,0,0.1); padding: 3px 10px; border-radius: 12px; }
.progress-text { font-size: 0.8rem; color: var(--text-muted); }

/* ── Question card enhanced ── */
.question-top-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.question-number { font-size: 0.75rem; color: var(--text-muted); font-weight: 700; }
.answer-letter { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 6px; background: rgba(108,99,255,0.15); color: var(--accent); font-size: 0.75rem; font-weight: 800; margin-right: 10px; flex-shrink: 0; }
.answer-btn.dimmed { opacity: 0.4; }
.answer-btn.correct .answer-letter { background: rgba(81,207,102,0.3); color: #51cf66; }
.answer-btn.wrong .answer-letter { background: rgba(255,107,107,0.3); color: #ff6b6b; }

/* ── Shake animation ── */
@keyframes shake { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-8px)} 40%{transform:translateX(8px)} 60%{transform:translateX(-5px)} 80%{transform:translateX(5px)} }
.shake { animation: shake 0.5s ease-in-out; }

/* ── Summary page enhanced ── */
.summary-hero { text-align: center; padding: 20px 0 30px; }
.summary-emoji { font-size: 4rem; margin-bottom: 8px; }
.summary-score { font-size: 4.5rem; font-weight: 900; background: linear-gradient(135deg, var(--accent), var(--gold), #ff922b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.summary-message { font-size: 1.5rem; font-weight: 800; color: var(--text); margin-top: 8px; }
.summary-subtitle { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }

.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 28px; }
.summary-stat-card { background: var(--bg-card); border-radius: var(--radius); padding: 16px 12px; text-align: center; border: 1px solid rgba(108,99,255,0.1); }
.summary-stat-clickable { cursor: pointer; transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease; }
.summary-stat-clickable:hover { transform: translateY(-3px); border-color: rgba(108,99,255,0.5); box-shadow: 0 6px 18px rgba(108,99,255,0.18); }
.summary-stat-clickable:focus-visible { outline: 2px solid var(--primary, #6c63ff); outline-offset: 2px; }
.summary-stat-arrow { opacity: 0; margin-left: 4px; transition: opacity 0.15s ease; font-weight: 700; }
.summary-stat-clickable:hover .summary-stat-arrow { opacity: 1; }
.summary-stat-card.gold { border-color: rgba(255,215,0,0.2); background: rgba(255,215,0,0.03); }
.summary-stat-icon { font-size: 1.3rem; margin-bottom: 4px; }
.summary-stat-value { font-size: 1.2rem; font-weight: 800; color: var(--accent); }
.summary-stat-label { font-size: 0.65rem; color: var(--text-muted); margin-top: 2px; }

.summary-actions { display: flex; flex-direction: column; gap: 10px; max-width: 400px; margin: 0 auto; }
.btn-lg { padding: 16px; font-size: 1.1rem; }
.btn-outline { background: transparent; border: 2px solid rgba(108,99,255,0.3); color: var(--accent); padding: 12px; border-radius: var(--radius-sm); font-family: var(--font); font-size: 0.9rem; font-weight: 700; cursor: pointer; transition: all 0.2s; }
.btn-outline:hover { border-color: var(--accent); background: rgba(108,99,255,0.05); }

@media (max-width: 600px) {
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .summary-score { font-size: 3.5rem; }
  .quiz-header-stats { gap: 4px; }
  .quiz-points-badge { display: none; }
}

/* ── Version badge ── */
.version-badge { text-align: center; margin-top: 20px; font-size: 0.7rem; color: var(--text-muted); opacity: 0.5; }
.nav-version { font-size: 0.6rem; color: var(--text-muted); vertical-align: super; margin-left: 4px; font-weight: 400; }

/* ── Dashboard parents ── */
.dashboard-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.dashboard-header h2 { font-size: 1.4rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--gold)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.child-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-bottom: 24px; }
.child-card { background: var(--bg-card); border-radius: var(--radius); padding: 20px; border: 1px solid rgba(108,99,255,0.1); }
.child-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.child-card-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--secondary)); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.child-card-name { font-size: 1.1rem; font-weight: 700; }
.child-card-role { font-size: 0.75rem; color: var(--text-muted); }
.child-theme-progress { margin-top: 12px; }
.child-theme-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 0.85rem; }
.child-theme-bar { flex: 1; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: auto; }
.child-theme-fill { height: 100%; border-radius: 4px; transition: width 0.5s ease; }
.child-theme-pct { width: 40px; text-align: right; color: var(--text-muted); font-size: 0.75rem; }
.add-child-card { background: var(--bg-card); border-radius: var(--radius); padding: 20px; border: 2px dashed rgba(108,99,255,0.2); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; cursor: pointer; transition: all 0.2s; min-height: 180px; }
.add-child-card:hover { border-color: var(--accent); background: rgba(108,99,255,0.05); }
.add-child-icon { font-size: 2rem; }
.add-child-form { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.add-child-form input { padding: 10px 14px; }
.add-child-actions { display: flex; gap: 8px; }
.add-child-actions .btn { flex: 1; padding: 10px; font-size: 0.85rem; }

/* ── Question images ── */
.question-image-container { display: flex; justify-content: center; margin: 6px 0; }
.question-image-svg { width: 180px; height: auto; border-radius: 8px; border: 1px solid rgba(255,255,255,0.1); }
.question-image-svg.body-svg { width: 140px; }
.question-image-svg.flag-svg { box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
.question-image-placeholder { font-size: 3rem; text-align: center; padding: 16px; }
.question-real-image { position: relative; max-width: 240px; margin: 0 auto; }
.question-image-loading { text-align: center; padding: 16px; color: var(--text-muted); font-size: 0.8rem; }
.question-photo { width: 100%; height: auto; max-height: 160px; object-fit: contain; border-radius: 10px; border: 2px solid rgba(255,255,255,0.1); box-shadow: 0 4px 16px rgba(0,0,0,0.4); opacity: 0; transition: opacity 0.3s; }
.question-photo.loaded { opacity: 1; }
@media (max-width: 600px) { .question-image-svg { width: 140px; } .question-image-svg.body-svg { width: 110px; } .question-real-image { max-width: 200px; } .question-photo { max-height: 120px; } }

/* ── Safe area for iPhone notch ── */
@supports (padding: env(safe-area-inset-top)) {
  .nav { padding-top: calc(12px + env(safe-area-inset-top)); }
  body { padding-bottom: env(safe-area-inset-bottom); }
}

/* ── Curiosaurus Tree ── */
.tree-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 16px; }
.tree-level { display: flex; align-items: center; gap: 12px; }
.tree-level-emoji { font-size: 2.5rem; }
.tree-level-name { font-size: 1.3rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--gold)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.tree-level-detail { font-size: 0.8rem; color: var(--text-muted); }
.tree-stats-row { display: flex; gap: 16px; }
.tree-stat { text-align: center; }
.tree-stat-value { display: block; font-size: 1.4rem; font-weight: 800; color: var(--accent); }
.tree-stat-label { font-size: 0.7rem; color: var(--text-muted); }

.tree-container { background: radial-gradient(ellipse at 50% 90%, rgba(10,40,15,0.6) 0%, rgba(5,15,30,0.8) 50%, var(--bg-deep) 100%); border-radius: var(--radius); border: 1px solid rgba(108,99,255,0.1); overflow: auto; margin-bottom: 20px; }
.tree-svg { width: 100%; height: auto; display: block; }

/* ── Mono-tree (un arbre par thème, picker + swipe) ── */
.tree-theme-picker {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 4px;
  margin: 8px 0 4px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}
.tree-theme-picker::-webkit-scrollbar { height: 4px; }
.tree-theme-picker::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 2px; }
.tree-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.15s, color 0.15s;
  scroll-snap-align: center;
  min-height: 36px;
}
.tree-chip:hover { border-color: rgba(255,255,255,0.25); color: var(--text); }
.tree-chip:active { transform: scale(0.96); }
.tree-chip-active {
  border-width: 2px;
  background: rgba(255,255,255,0.06);
}
.tree-chip-icon { font-size: 1.1rem; }
.tree-chip-pct { font-size: 0.75rem; opacity: 0.85; }

.tree-container.mono {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: visible;
}
.mono-tree-wrap {
  flex: 1;
  min-width: 0;
  width: 100%;
}
.tree-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: #fff;
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, opacity 0.15s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.tree-arrow:hover { background: rgba(0,0,0,0.6); }
.tree-arrow:active { transform: translateY(-50%) scale(0.92); }
.tree-arrow:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}
.tree-arrow-left { left: 6px; }
.tree-arrow-right { right: 6px; }
@media (max-width: 600px) {
  .tree-arrow { width: 38px; height: 38px; font-size: 1.4rem; }
  .tree-arrow-left { left: 2px; }
  .tree-arrow-right { right: 2px; }
}

.tree-mono-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 14px 18px;
  margin-bottom: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(108,99,255,0.12);
  text-align: center;
}
.tree-mono-count { font-size: 0.95rem; color: var(--text-dim); }
.tree-mono-count strong { font-size: 1.4rem; color: var(--text); font-weight: 800; margin-right: 2px; }
.tree-mono-stage {
  padding: 4px 10px;
  background: rgba(255,215,0,0.1);
  border: 1px solid rgba(255,215,0,0.25);
  border-radius: 12px;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.85rem;
}
.tree-mono-mastered {
  color: var(--gold);
  font-weight: 600;
  font-size: 0.85rem;
}

.tree-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.tree-legend-item { display: flex; align-items: center; gap: 8px; background: var(--bg-card); padding: 8px 14px; border-radius: 20px; font-size: 0.8rem; border: 1px solid rgba(108,99,255,0.1); }
.tree-legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.tree-legend-name { font-weight: 600; color: var(--text); }
.tree-legend-progress { color: var(--text-muted); }

@media (max-width: 600px) {
  .tree-header { flex-direction: column; align-items: flex-start; }
  .tree-stats-row { gap: 12px; }
  .tree-legend { flex-direction: column; }
}

/* ── Tree Coach ── */
.tree-coach { background: var(--bg-card); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; border: 1px solid rgba(108,99,255,0.12); }
.tree-coach-header { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.tree-coach-avatar { font-size: 1.6rem; }
.tree-coach-title { font-size: 0.95rem; font-weight: 800; background: linear-gradient(135deg, #51cf66, #22b8cf); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.tree-coach-messages { display: flex; flex-direction: column; gap: 8px; }
.tree-coach-msg { display: flex; align-items: flex-start; gap: 8px; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 0.85rem; line-height: 1.4; }
.tree-coach-msg.positive { background: rgba(81,207,102,0.06); border: 1px solid rgba(81,207,102,0.15); }
.tree-coach-msg.encourage { background: rgba(255,146,43,0.06); border: 1px solid rgba(255,146,43,0.15); }
.tree-coach-msg-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.tree-coach-msg-text { color: var(--text-dim); font-weight: 500; }

/* ── iPad / Tablet compact layout ── */
@media (max-width: 1024px) and (min-width: 601px) {
  .question-card { padding: 12px 16px; margin-bottom: 8px; }
  .question-text { font-size: 1.05rem; }
  .answer-btn { padding: 10px 14px; font-size: 0.9rem; }
  .question-photo { max-height: 140px; }
  .question-real-image { max-width: 240px; }
  .container { padding: 12px 20px; }
  .streak-container { min-height: 24px; padding: 0; }
}

/* ── Mobile compact quiz ── */
@media (max-width: 600px) {
  .question-card { padding: 10px 12px; margin-bottom: 6px; }
  .question-text { font-size: 0.95rem; line-height: 1.4; }
  .answer-btn { padding: 10px 12px; font-size: 0.85rem; }
  .answers-grid { gap: 6px; }
  .streak-container { min-height: 20px; padding: 0; }
}

/* ── Stars badge ── */
.stars-badge { background: linear-gradient(135deg, rgba(255,215,0,0.15), rgba(255,170,0,0.1)); border: 1px solid rgba(255,215,0,0.3); border-radius: 20px; padding: 4px 12px; font-weight: 800; font-size: 0.85rem; color: #ffd700; }

/* ── Achievements ── */
.achievement-card { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.06); opacity: 0.6; }
.achievement-card.earned { opacity: 1; border-color: rgba(255,215,0,0.2); background: linear-gradient(135deg, var(--bg-card), rgba(255,215,0,0.03)); }
.achievement-icon { font-size: 1.5rem; flex-shrink: 0; }
.achievement-info { flex: 1; min-width: 0; }
.achievement-title { font-weight: 700; font-size: 0.9rem; }
.achievement-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.achievement-bar { position: relative; height: 6px; background: rgba(255,255,255,0.06); border-radius: 3px; margin-top: 6px; }
.achievement-bar-fill { height: 100%; background: linear-gradient(90deg, #6c63ff, #22b8cf); border-radius: 3px; transition: width 0.3s; }
.achievement-bar-text { position: absolute; right: 0; top: -14px; font-size: 0.65rem; color: var(--text-muted); font-weight: 700; }
.achievement-stars { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); white-space: nowrap; }
.achievement-card.earned .achievement-stars { color: #ffd700; }

/* ── Shop ── */
.shop-theme-card { display: flex; align-items: center; gap: 14px; padding: 16px; background: var(--bg-card); border-radius: var(--radius); border: 2px solid rgba(255,255,255,0.06); }
.shop-theme-icon { width: 50px; height: 50px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; flex-shrink: 0; }
.shop-theme-info { flex: 1; min-width: 0; }
.shop-theme-name { font-weight: 700; font-size: 1rem; }
.shop-theme-desc { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }
.shop-theme-meta { font-size: 0.7rem; color: var(--text-dim); margin-top: 4px; }
.shop-theme-action { flex-shrink: 0; }
.shop-buy-btn { background: linear-gradient(135deg, #ffd700, #ff9500) !important; color: #000 !important; font-weight: 800; padding: 8px 16px !important; border-radius: 20px !important; font-size: 0.9rem; }
.shop-unlocked { color: #51cf66; font-weight: 700; font-size: 0.85rem; }

/* ── Locked theme card ── */
.theme-card.theme-locked { opacity: 0.7; border-style: dashed; position: relative; }
.theme-lock-badge { display: inline-block; margin-left: 8px; font-size: 0.75rem; background: rgba(255,215,0,0.15); color: #ffd700; padding: 2px 8px; border-radius: 10px; font-weight: 700; }

/* ======================================================================
   MOBILE-SPECIFIC STYLES (iOS / Android via Capacitor)
   Added in v3.0.0 — fixes scroll fluidity, safe areas, keyboard handling
   ====================================================================== */

/* Safe areas iOS (notch / Dynamic Island / home indicator) */
:root {
  --safe-top: env(safe-area-inset-top, 0);
  --safe-bottom: env(safe-area-inset-bottom, 0);
  --safe-left: env(safe-area-inset-left, 0);
  --safe-right: env(safe-area-inset-right, 0);
  --keyboard-height: 0px;
}

html, body, #root {
  height: 100%;
  overflow: auto; /* Prevent body scroll, only inner scrollers scroll */
  -webkit-overflow-scrolling: touch; /* Momentum scrolling */
  -webkit-tap-highlight-color: transparent; /* No grey flash on tap */
  -webkit-touch-callout: none; /* No long-press menu */
  user-select: none; /* No text selection by default */
  -webkit-user-select: none;
  overscroll-behavior: none; /* No bounce / pull-to-refresh */
  touch-action: manipulation; /* Faster taps, no double-tap zoom */
}

/* Re-enable text selection only where it makes sense */
input, textarea, [contenteditable], .selectable {
  user-select: text;
  -webkit-user-select: text;
}

/* Main app container respects safe areas (top/sides only — bottom géré par les pages) */
.app {
  padding-top: var(--safe-top);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* When keyboard opens, shrink to leave room */
body.keyboard-open .app {
  padding-bottom: calc(var(--keyboard-height) + var(--safe-bottom));
}

/* Make scrollable areas truly scrollable with momentum
   Padding-bottom safe-area: empêche le home indicator de masquer le bas du contenu
   tout en laissant le fond de la page s'étendre jusqu'en bas de l'écran */
.scrollable, .page-content, .quiz-page, .home-page,
.cards-page, .dashboard-page, .ranking-page, .achievements-page,
.connections-page, .summary-page, .blitz-page, .curiosaurus-page {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain; /* No body scroll on edge bounce */
}

/* Prevent input zoom on iOS (font-size must be >= 16px) */
input, textarea, select {
  font-size: 16px !important;
  -webkit-appearance: none;
  border-radius: 8px;
}

/* Better tap targets — minimum 44x44 px (Apple HIG) */
button, .btn, [role="button"], a {
  min-height: 44px;
  touch-action: manipulation;
}

/* Smooth animations on mobile */
* {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* ── Server Setup screen ── */
.server-setup {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--safe-top) + 24px) calc(var(--safe-right) + 20px) calc(var(--safe-bottom) + 24px) calc(var(--safe-left) + 20px);
  z-index: 9999;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.setup-card {
  width: 100%;
  max-width: 480px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 32px 24px;
  text-align: center;
  color: #fff;
}
.setup-icon {
  font-size: 56px;
  margin-bottom: 16px;
}
.setup-card h1 {
  font-size: 24px;
  margin: 0 0 8px;
  font-weight: 700;
}
.setup-subtitle {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 28px;
  line-height: 1.5;
}
.setup-subtitle code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}
.setup-field {
  text-align: left;
  margin-bottom: 16px;
}
.setup-field label {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 6px;
}
.setup-field input {
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 14px 16px;
  color: #fff;
  font-size: 16px;
  box-sizing: border-box;
}
.setup-field input:focus {
  outline: none;
  border-color: #6c63ff;
  background: rgba(255, 255, 255, 0.12);
}
.setup-error, .setup-success {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  margin: 12px 0;
  text-align: left;
}
.setup-error {
  background: rgba(255, 107, 107, 0.15);
  border: 1px solid rgba(255, 107, 107, 0.4);
  color: #ffb3b3;
}
.setup-success {
  background: rgba(81, 207, 102, 0.15);
  border: 1px solid rgba(81, 207, 102, 0.4);
  color: #b8f0c0;
}
.setup-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}
.setup-actions .btn-primary {
  background: linear-gradient(135deg, #6c63ff 0%, #5048e5 100%);
  color: #fff;
  border: none;
  padding: 16px 24px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.setup-actions .btn-primary:active:not(:disabled) {
  transform: scale(0.98);
}
.setup-actions .btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.setup-actions .btn-secondary {
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 14px 24px;
  border-radius: 14px;
  font-size: 14px;
  cursor: pointer;
}
.setup-info {
  margin-top: 24px;
  padding: 14px 16px;
  background: rgba(108, 99, 255, 0.1);
  border-left: 3px solid #6c63ff;
  border-radius: 8px;
  text-align: left;
  font-size: 12px;
}
.setup-info strong {
  display: block;
  margin-bottom: 4px;
  color: #a09aff;
}
.setup-info p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* Server config link on Login */
.server-config-link {
  display: block;
  margin: 16px auto 0;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  text-decoration: underline;
  cursor: pointer;
  padding: 8px;
}

/* QuestionImage wrappers (replaces inline styles) */
.question-img-wrap {
  max-width: 280px;
  margin: 0 auto;
}
.question-img-wrap img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  background: #fff;
  padding: 8px;
  display: block;
}
.question-flag-wrap {
  max-width: 200px;
  margin: 0 auto;
}
.question-flag-wrap img {
  width: 100%;
  max-height: 120px;
  object-fit: contain;
  border-radius: 10px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  display: block;
}


/* Quand le clavier est ouvert, remonter le formulaire */
body.keyboard-open 



/* Inputs doivent scroll into view au focus */



/* ── PIN dots ── */
.pin-dots {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 10px;
}

.pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  transition: all 0.15s ease;
}

.pin-dot.filled {
  background: #6c63ff;
  border-color: #6c63ff;
  transform: scale(1.1);
}

/* ── Login button ── */
.btn-login {
  width: 100%;
  padding: 16px 24px;
  margin-top: 20px;
  background: linear-gradient(135deg, #6c63ff 0%, #5048e5 100%);
  color: #fff;
  border: none;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
  min-height: 52px;
}

.btn-login:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-login:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Duels ── */
.duels-page { min-height: 100vh; }
.duels-content { padding: 16px; max-width: 600px; margin: 0 auto; }
.duels-tabs { display: flex; gap: 8px; margin-bottom: 20px; overflow-x: auto; }
.duels-tab { padding: 10px 16px; border: none; border-radius: 10px; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7); font-size: 14px; white-space: nowrap; cursor: pointer; }
.duels-tab.active { background: #6c63ff; color: #fff; }

.duel-section { margin-bottom: 24px; }
.duel-section h3 { color: rgba(255,255,255,0.6); font-size: 13px; text-transform: uppercase; margin-bottom: 10px; }

.duel-card { background: rgba(255,255,255,0.06); border-radius: 14px; padding: 14px; margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.duel-card.won { border-left: 3px solid #4ade80; }
.duel-card.lost { border-left: 3px solid #f87171; }
.duel-card.draw { border-left: 3px solid #fbbf24; }
.duel-card-info { display: flex; align-items: center; gap: 10px; flex: 1; }
.duel-avatar { font-size: 28px; }
.duel-elo { font-size: 12px; color: rgba(255,255,255,0.5); }
.duel-status { font-size: 12px; color: rgba(255,255,255,0.4); }
.duel-scores { font-size: 14px; color: #fff; font-weight: 600; }
.duel-card-actions { display: flex; gap: 8px; }
.duel-card-result { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.duel-badge { font-size: 22px; }
.duel-my-score { font-size: 16px; font-weight: 700; color: #6c63ff; }

.btn-accept { padding: 8px 14px; background: #22c55e; color: #fff; border: none; border-radius: 8px; font-size: 14px; cursor: pointer; }
.btn-decline { padding: 8px 14px; background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.5); border: none; border-radius: 8px; font-size: 14px; cursor: pointer; }
.btn-play { padding: 10px 18px; background: #6c63ff; color: #fff; border: none; border-radius: 10px; font-weight: 600; cursor: pointer; }

.elo-mini { font-size: 12px; font-weight: 700; }
.elo-mini.positive { color: #4ade80; }
.elo-mini.negative { color: #f87171; }
.elo-change { font-size: 20px; font-weight: 700; margin: 12px 0; }
.elo-change.positive { color: #4ade80; }
.elo-change.negative { color: #f87171; }

/* Challenge flow */
.challenge-flow h3 { color: rgba(255,255,255,0.7); margin: 16px 0 10px; }
.opponents-list { display: flex; flex-direction: column; gap: 8px; }
.opponent-card { display: flex; align-items: center; gap: 12px; padding: 12px; background: rgba(255,255,255,0.06); border-radius: 12px; cursor: pointer; border: 2px solid transparent; }
.opponent-card.selected { border-color: #6c63ff; background: rgba(108,99,255,0.15); }
.opp-avatar { font-size: 28px; }
.opp-elo { font-size: 12px; color: rgba(255,255,255,0.5); }
.theme-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.theme-pick { padding: 10px 16px; background: rgba(255,255,255,0.06); border-radius: 10px; cursor: pointer; border: 2px solid transparent; font-size: 14px; }
.theme-picker-loading { padding: 16px; color: var(--text-dim); font-size: 0.9rem; text-align: center; }
.theme-picker-empty {
  padding: 16px 20px;
  color: var(--text-dim);
  font-size: 0.9rem;
  background: rgba(255,255,255,0.04);
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: 12px;
  line-height: 1.5;
}
.theme-pick.selected { border-color: #6c63ff; background: rgba(108,99,255,0.15); }
.challenge-btn { margin-top: 20px; }
.no-opponents { color: rgba(255,255,255,0.4); text-align: center; padding: 20px; }

/* Duel play */
.duel-play-page { min-height: 100vh; padding: 16px; display: flex; flex-direction: column; }
.duel-play-header { text-align: center; padding: 12px; font-size: 16px; font-weight: 600; color: rgba(255,255,255,0.7); }
.duel-question { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; max-width: 600px; margin: 0 auto; width: 100%; }
.duel-question-text { font-size: 18px; text-align: center; margin: 20px 0; line-height: 1.5; }
.duel-answers { width: 100%; display: flex; flex-direction: column; gap: 10px; }
.duel-answer-btn { width: 100%; padding: 14px 18px; background: rgba(255,255,255,0.08); border: 2px solid rgba(255,255,255,0.15); border-radius: 12px; color: #fff; font-size: 15px; text-align: left; cursor: pointer; transition: all 0.15s; }
.duel-answer-btn:active:not(:disabled) { transform: scale(0.98); }
.duel-answer-btn.correct { background: rgba(34,197,94,0.3); border-color: #22c55e; }
.duel-answer-btn.wrong { background: rgba(248,113,113,0.3); border-color: #f87171; }

/* Duel result */
.duel-result-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.duel-result-card { text-align: center; max-width: 400px; width: 100%; }
.duel-result-card h2 { font-size: 28px; margin-bottom: 16px; }
.big-score { font-size: 48px; font-weight: 800; color: #6c63ff; }
.duel-waiting { color: rgba(255,255,255,0.5); margin: 16px 0; }

/* ELO Leaderboard */
.elo-leaderboard h3 { margin-bottom: 16px; }
.lb-row { display: flex; align-items: center; gap: 12px; padding: 12px; background: rgba(255,255,255,0.04); border-radius: 12px; margin-bottom: 6px; }
.lb-row.is-me { background: rgba(108,99,255,0.15); border: 1px solid rgba(108,99,255,0.3); }
.lb-rank { font-size: 18px; min-width: 36px; text-align: center; }
.lb-avatar { font-size: 24px; }
.lb-info { flex: 1; }
.lb-record { font-size: 12px; color: rgba(255,255,255,0.5); margin-left: 8px; }
.lb-elo { font-size: 18px; font-weight: 700; color: #fbbf24; }

.empty-state { text-align: center; padding: 40px 20px; }
.empty-icon { font-size: 48px; margin-bottom: 12px; }


/* ── Login page — iPad friendly ── */
.login-page {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 40px 20px 40px;
  box-sizing: border-box;
}

.login-card {
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  text-align: center;
}

.login-logo {
  font-size: 56px;
  margin-bottom: 4px;
}

/* PIN input */
.pin-input-wrap {
  position: relative;
  cursor: pointer;
}

.pin-hidden-input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}

.pin-dots {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 14px 0;
}

.pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  transition: all 0.15s ease;
}

.pin-dot.filled {
  background: #6c63ff;
  border-color: #6c63ff;
  transform: scale(1.15);
}

.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}

.form-group input:not(.pin-hidden-input) {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  color: #fff;
  font-size: 16px;
  box-sizing: border-box;
}

.form-group input:focus {
  outline: none;
  border-color: #6c63ff;
}

.form-error {
  background: rgba(248, 113, 113, 0.15);
  border: 1px solid rgba(248, 113, 113, 0.4);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 12px;
}

.btn-login {
  width: 100%;
  padding: 16px 24px;
  margin-top: 16px;
  background: linear-gradient(135deg, #6c63ff 0%, #5048e5 100%);
  color: #fff;
  border: none;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  min-height: 52px;
}

.btn-login:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-login:disabled {
  opacity: 0.5;
}

/* ── Profile / Settings ── */
.profile-page { min-height: 100vh; }
.profile-content { padding: 20px; max-width: 500px; margin: 0 auto; }
.profile-content h2 { margin-bottom: 24px; }

.profile-section {
  background: rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 4px 0;
  margin-bottom: 16px;
  overflow: hidden;
}

.profile-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
}

.profile-row.clickable { cursor: pointer; }
.profile-row.clickable:active { background: rgba(255,255,255,0.04); }

.profile-label { color: rgba(255,255,255,0.7); font-size: 15px; }
.profile-value { color: #fff; font-weight: 600; font-size: 15px; }
.profile-value.elo { color: #fbbf24; }

.profile-toggle { font-size: 14px; }
.profile-toggle.on { color: #4ade80; }
.profile-toggle.off { color: rgba(255,255,255,0.4); }

.profile-btn {
  width: 100%;
  padding: 14px 18px;
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
}
.profile-btn:active { background: rgba(255,255,255,0.04); }
.profile-btn.danger { color: #f87171; }
.profile-btn.secondary { color: rgba(255,255,255,0.5); text-align: center; margin-top: 8px; }

.pin-change-form { padding: 14px 18px; }
.pin-change-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }

.form-success {
  background: rgba(74, 222, 128, 0.15);
  border: 1px solid rgba(74, 222, 128, 0.4);
  color: #86efac;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 12px;
}


/* ── NavBar — horizontal, scrollable, with labels ── */
/* ── NavBar — horizontal, scrollable, with labels ── */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 6px 12px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-items {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  flex: 1;
}

.nav-items::-webkit-scrollbar {
  display: none;
}

.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 10px;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  border-radius: 10px;
  white-space: nowrap;
  min-width: 52px;
  transition: all 0.15s;
}

.nav-btn:active {
  transform: scale(0.95);
}

.nav-btn.active {
  color: #fff;
  background: rgba(108, 99, 255, 0.2);
}

.nav-icon {
  font-size: 18px;
  line-height: 1;
}

.nav-label {
  font-size: 10px;
  font-weight: 500;
}

.nav-stars {
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 700;
  color: #fbbf24;
  white-space: nowrap;
}

.nav-badge {
  background: #f87171;
  color: #fff;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 10px;
  margin-left: 2px;
}



/* ── Avatar picker ── */
.profile-section-title {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  padding: 12px 18px 8px;
}

.avatar-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
  padding: 8px 18px 14px;
}

.avatar-option {
  font-size: 28px;
  text-align: center;
  padding: 8px 0;
  border-radius: 10px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.15s;
}

.avatar-option:active {
  transform: scale(0.9);
}

.avatar-option.selected {
  background: rgba(108, 99, 255, 0.2);
  border-color: #6c63ff;
}

/* ── Duel result versus display ── */
.duel-result-versus {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin: 24px 0;
}

.duel-result-player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.duel-result-name {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.duel-result-score {
  font-size: 48px;
  font-weight: 800;
  color: #6c63ff;
}

.duel-result-total {
  font-size: 22px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.4);
  margin-left: 2px;
}

.duel-encourage {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

.duel-result-vs {
  font-size: 24px;
  color: rgba(255, 255, 255, 0.3);
}

.duel-result-score-solo {
  margin: 20px 0;
}

.score-display {
  font-weight: 700;
  color: #6c63ff;
}

/* ── Bouton signaler une question ── */
.report-question-btn {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid rgba(255, 59, 48, 0.4);
  color: rgba(255, 120, 110, 0.95);
  border-radius: 12px;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.report-question-btn:active { transform: scale(0.98); }
.report-question-btn:disabled {
  opacity: 0.7;
  cursor: default;
  border-color: rgba(0, 200, 100, 0.4);
  color: rgba(0, 200, 100, 0.95);
}

/* ── Zone de commentaire de signalement ── */
.report-box {
  margin-top: 10px;
  padding: 12px;
  border: 1px solid rgba(255, 59, 48, 0.35);
  border-radius: 12px;
  background: rgba(255, 59, 48, 0.05);
}
.report-textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border, rgba(255,255,255,0.15));
  background: var(--bg, #0a0e27);
  color: var(--text, #fff);
  font-family: var(--font);
  font-size: 0.9rem;
  resize: vertical;
}
.report-box-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  justify-content: flex-end;
}
.report-cancel-btn, .report-send-btn {
  padding: 8px 14px;
  border-radius: 10px;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  width: auto;
  border: 1px solid transparent;
}
.report-cancel-btn {
  background: transparent;
  border-color: var(--border, rgba(255,255,255,0.15));
  color: var(--text-muted, #aaa);
}
.report-send-btn {
  background: rgba(255, 59, 48, 0.85);
  color: #fff;
}
.report-send-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ── Modale de signalement ── */
.report-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  padding-top: calc(env(safe-area-inset-top, 0px) + 20px);
  padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 20px);
}
.report-modal {
  background: var(--card-bg, #16182e);
  border: 1px solid rgba(255, 59, 48, 0.35);
  border-radius: 16px;
  padding: 20px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}
.report-modal-title { margin: 0 0 6px; font-size: 1.1rem; }
.report-modal-sub { margin: 0 0 12px; font-size: 0.85rem; color: var(--text-muted, #aaa); }