/* ==============================
   Manual / Guide Page
   ============================== */
.manual-layout {
    max-width: 900px;
    margin: 0 auto;
}

.manual-subtitle {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

/* Tab Navigation */
.manual-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    background: rgba(10, 14, 25, 0.6);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--border-subtle);
    overflow-x: auto;
}
.manual-tab {
    flex: 1;
    padding: 10px 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-align: center;
}
.manual-tab:hover {
    color: var(--text-primary);
    background: rgba(124, 58, 237, 0.1);
}
.manual-tab.active {
    color: var(--purple-400);
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
}

/* Section Panels */
.manual-section {
    display: none;
    animation: fadeIn 0.4s ease;
}
.manual-section.active {
    display: block;
}

.manual-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 16px;
}
.manual-card h3 {
    font-family: var(--font-display);
    color: var(--purple-400);
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.manual-card p, .manual-card li {
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Rank Table */
.rank-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 4px;
}
.rank-table th {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--purple-400);
    text-align: left;
    padding: 8px 12px;
    text-transform: uppercase;
}
.rank-table td {
    padding: 10px 12px;
    font-size: 0.85rem;
    background: rgba(10, 14, 25, 0.5);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}
.rank-table tr td:first-child {
    border-left: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.rank-table tr td:last-child {
    border-right: 1px solid var(--border-subtle);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.rank-table .rank-name {
    font-weight: 700;
    color: var(--text-primary);
}
.rank-table .rank-e { color: #94a3b8; }
.rank-table .rank-d { color: #60a5fa; }
.rank-table .rank-c { color: #34d399; }
.rank-table .rank-b { color: #fbbf24; }
.rank-table .rank-a { color: #f97316; }
.rank-table .rank-s { color: #a855f7; }

/* Boss Cards in Manual */
.boss-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
}
.boss-entry {
    background: rgba(10, 14, 25, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: border-color var(--transition-fast);
}
.boss-entry:hover {
    border-color: var(--purple-400);
}
.boss-entry .boss-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.boss-entry .boss-emoji {
    font-size: 1.6rem;
}
.boss-entry .boss-name {
    font-weight: 700;
    font-size: 0.9rem;
}
.boss-entry .boss-rank-badge {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    border: 1px solid;
}
.boss-entry .boss-detail {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.5;
}

/* Info List */
.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.info-list li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(74, 158, 255, 0.06);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.info-list li:last-child {
    border-bottom: none;
}
.info-list .il-icon {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Highlight boxes */
.manual-highlight {
    background: rgba(124, 58, 237, 0.08);
    border-left: 3px solid var(--purple-400);
    padding: 12px 16px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 12px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.manual-highlight.warning {
    border-color: var(--red-400);
    background: rgba(239, 68, 68, 0.08);
}
.manual-highlight.gold {
    border-color: var(--gold-400);
    background: rgba(251, 191, 36, 0.08);
}

/* Formula */
.formula {
    font-family: var(--font-display);
    color: var(--blue-400);
    background: rgba(74, 158, 255, 0.08);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    display: inline-block;
    margin: 4px 0;
}

@media (max-width: 768px) {
    .manual-tabs {
        flex-wrap: nowrap;
    }
    .manual-tab {
        font-size: 0.65rem;
        padding: 8px 8px;
    }
    .boss-grid {
        grid-template-columns: 1fr;
    }
}