/* =============================================================
   Kheper — Vocabulaire
   Réutilise les variables CSS de style.css
   ============================================================= */

/* ── Page layout ───────────────────────────────────────────── */
.vocab-page { max-width: 960px; margin: 0 auto; padding: 0 1.25rem 4rem; }

/* ── Nav thèmes (sticky sous la barre principale) ─────────── */
.theme-nav {
    position: sticky;
    top: 56px;
    z-index: 90;
    background: rgba(13,10,5,0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    padding: 0.6rem 1rem;
}

.theme-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    font-family: var(--font-title);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #b8a888;
    text-decoration: none;
    border-radius: 99px;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: color var(--transition), background var(--transition), border-color var(--transition);
    cursor: pointer;
    background: none;
    line-height: 1.6;
}

.theme-tab:hover {
    color: #e8d8b0;
    background: rgba(201,168,76,0.08);
}
.theme-tab.active {
    color: #f0d878;
    background: rgba(201,168,76,0.15);
    border-color: rgba(201,168,76,0.4);
}

.soon-badge {
    font-size: 0.48rem;
    letter-spacing: 0.08em;
    padding: 0.1rem 0.3rem;
    background: rgba(201,168,76,0.1);
    color: var(--gold);
    border-radius: 99px;
    text-transform: uppercase;
    opacity: 0.6;
}

/* ── Section thème ─────────────────────────────────────────── */
.theme-section {
    padding-top: 2.5rem;
    scroll-margin-top: 100px;  /* compense la sticky nav */
}

.theme-header {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.theme-icon {
    font-size: 2.4rem;
    line-height: 1;
    filter: drop-shadow(0 2px 8px rgba(201,168,76,0.25));
    flex-shrink: 0;
}

.theme-info { flex: 1; min-width: 0; }

.theme-title {
    font-family: var(--font-title);
    font-size: 1.1rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    display: block;
}

.theme-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.15rem;
}

.theme-count {
    font-family: var(--font-title);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 99px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── Grille de mots ────────────────────────────────────────── */
.vocab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

/* ── Carte vocabulaire ─────────────────────────────────────── */
.vocab-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1rem 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    position: relative;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.vocab-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top center, rgba(201,168,76,0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition);
}

.vocab-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}

.vocab-card:hover::before { opacity: 1; }

/* Glyphe principal */
.vocab-glyph {
    font-size: 2.6rem;
    line-height: 1;
    letter-spacing: 0.05em;
    filter: drop-shadow(0 2px 8px rgba(201,168,76,0.2));
    min-height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

/* Mot français */
.vocab-fr {
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--sand);
    line-height: 1.3;
    font-style: italic;
    position: relative;
    z-index: 1;
}

/* Translittération */
.vocab-translit {
    font-family: var(--font-title);
    font-size: 0.78rem;
    color: var(--gold);
    letter-spacing: 0.08em;
    background: rgba(201,168,76,0.07);
    border: 1px solid rgba(201,168,76,0.15);
    border-radius: 99px;
    padding: 0.15rem 0.6rem;
    position: relative;
    z-index: 1;
}

/* Bouton audio */
.vocab-audio {
    margin-top: 0.25rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: var(--font-title);
    letter-spacing: 0.1em;
    padding: 0.3rem 0.7rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all var(--transition);
    position: relative;
    z-index: 1;
}

.vocab-audio:hover {
    border-color: var(--gold-dim);
    color: var(--gold);
    background: var(--gold-glow);
}

.vocab-audio.loading { opacity: 0.5; cursor: wait; }

.vocab-audio.playing {
    border-color: var(--turquoise);
    color: var(--turquoise-light);
    background: rgba(20,143,119,0.08);
}

.vocab-audio-icon { font-size: 0.9rem; line-height: 1; }

/* ── Carte verrouillée ─────────────────────────────────────── */
.vocab-card--locked {
    cursor: default;
    user-select: none;
}

.vocab-card--locked:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border);
}

.vocab-card--locked::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(13,10,5,0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2;
    border-radius: var(--radius);
}

.vocab-lock-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

.vocab-lock-icon {
    font-size: 1.4rem;
    opacity: 0.6;
}

.vocab-lock-label {
    font-family: var(--font-title);
    font-size: 0.55rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* ── Bandeau de déblocage (Textes Isis) ────────────────────── */
.privilege-gate {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(27,58,107,0.2), rgba(20,143,119,0.1));
    border: 1px solid rgba(20,143,119,0.2);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.privilege-gate-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    opacity: 0.7;
}

.privilege-gate-text { flex: 1; min-width: 180px; }

.privilege-gate-title {
    font-family: var(--font-title);
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    color: var(--turquoise-light);
    margin-bottom: 0.2rem;
}

.privilege-gate-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.btn-upgrade {
    display: inline-block;
    background: linear-gradient(135deg, var(--lapis), var(--lapis-light));
    color: #C8DEFF;
    border: 1px solid var(--lapis-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-title);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 0.55rem 1.1rem;
    text-decoration: none;
    transition: filter var(--transition), transform var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-upgrade:hover {
    filter: brightness(1.15);
    transform: translateY(-1px);
}

/* ── Section "Bientôt disponible" ──────────────────────────── */
.coming-soon-section {
    padding-top: 2.5rem;
}

.coming-soon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.75rem;
}

.coming-soon-card {
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    opacity: 0.5;
}

.coming-soon-card-icon  { font-size: 2rem; flex-shrink: 0; }
.coming-soon-card-title { font-family: var(--font-title); font-size: 0.78rem; letter-spacing: 0.1em; color: var(--text-dim); display: block; }
.coming-soon-card-desc  { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 600px) {
    .vocab-grid { grid-template-columns: repeat(2, 1fr); }
    .theme-header { flex-wrap: wrap; }
    .privilege-gate { flex-direction: column; text-align: center; }
}

@media (max-width: 360px) {
    .vocab-grid { grid-template-columns: 1fr; }
}