/* ============================================
   VOID CHESS - Rules Page Styles
   ============================================ */

/* Rules Hero */
.rules-hero {
    padding: 8rem 2rem 3rem;
    text-align: center;
    background: radial-gradient(ellipse at center top, #15151f 0%, #0a0a0f 70%);
}

.rules-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.rules-hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Rules Sections */
.rules-section {
    padding: 3.5rem 2rem;
}

.rules-section.alt-bg {
    background: #0e0e15;
}

.rules-container {
    max-width: 800px;
    margin: 0 auto;
}

.rules-section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.rules-section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Rule Cards */
.rule-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.rule-card h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.rule-card p {
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 0.75rem;
}

.rule-card ul, .rule-card ol {
    margin-left: 1.25rem;
    margin-bottom: 0.75rem;
}

.rule-card li {
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 0.4rem;
}

.rule-card li strong {
    color: var(--text-primary);
}

/* Highlight Box */
.rules-highlight-box {
    background: var(--panel-bg);
    border: 2px solid var(--accent-primary);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.rules-highlight-box h2 {
    color: var(--accent-primary);
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.rules-highlight-box > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* Quick Changes */
.quick-changes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.quick-change {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 1rem;
}

.change-num {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: var(--accent-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
}

/* Piece on tile */
.mini-tile.has-piece {
    font-size: 1.4rem;
    color: #1a1a2e;
    font-weight: 900;
}

/* Piece on unstable tile (white text on red) */
.mini-tile.unstable-tile.has-piece {
    color: #fff;
}

/* Capture target highlight */
.mini-tile.capture-target {
    box-shadow: inset 0 0 0 3px rgba(255, 68, 68, 0.8);
}

/* Capture arrow indicator */
.mini-tile.capture-arrow {
    font-size: 1.2rem;
    color: rgba(255, 94, 58, 0.7);
    font-weight: 900;
}

/* Destroyed piece indicator */
.destroyed-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.6rem 1rem;
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid rgba(255, 68, 68, 0.2);
    border-radius: 8px;
    color: #ff4444;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Safe piece indicator */
.safe-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.6rem 1rem;
    background: rgba(61, 214, 200, 0.1);
    border: 1px solid rgba(61, 214, 200, 0.2);
    border-radius: 8px;
    color: #3dd6c8;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Diagram group for side-by-side layout */
.diagram-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.diagram-group .board-diagram {
    margin: 0;
}

/* Notes */
.rules-note {
    color: var(--text-muted) !important;
    font-size: 0.9rem !important;
    font-style: italic;
    margin-top: 0.5rem;
}

/* Important callout */
.rule-important {
    background: rgba(255, 94, 58, 0.08);
    border-left: 3px solid var(--accent-primary);
    padding: 0.75rem 1rem;
    border-radius: 0 8px 8px 0;
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.rule-important strong {
    color: var(--accent-primary);
}

/* ============================================
   PIECE LINEUP (Starting Position)
   ============================================ */
.piece-lineup {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.lineup-piece {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    width: 52px;
    padding: 8px 4px;
    background: #1e1e26;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.lineup-piece span {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.lineup-piece small {
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.lineup-piece.highlight-piece {
    background: rgba(255, 94, 58, 0.15);
    border-color: var(--accent-primary);
}

.lineup-piece.highlight-piece span {
    color: var(--accent-primary);
}

/* ============================================
   BOARD DIAGRAMS
   ============================================ */
.board-diagram {
    margin: 1.5rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.diagram-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

/* 7x7 mini board for Minister */
.mini-board {
    display: grid;
    grid-template-columns: repeat(7, 48px);
    grid-template-rows: repeat(7, 48px);
    border: 2px solid #3a3a42;
    border-radius: 4px;
    overflow: hidden;
}

/* 5x5 small board for capture example */
.mini-board.small-board {
    grid-template-columns: repeat(5, 48px);
    grid-template-rows: repeat(5, 48px);
}

.mini-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    position: relative;
}

.mini-tile.light {
    background: #eeeed2;
}

.mini-tile.dark {
    background: #769656;
}

/* Move indicator dot */
.mini-tile.move-dot::after {
    content: '';
    width: 14px;
    height: 14px;
    background: rgba(255, 94, 58, 0.5);
    border-radius: 50%;
    position: absolute;
}

/* Minister position */
.mini-tile.minister-pos {
    font-size: 1.4rem;
    font-weight: 900;
    color: #1a1a2e;
    background: #eeeed2;
    position: relative;
}

.mini-tile.minister-pos::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    background: rgba(255, 94, 58, 0.25);
    border-radius: 50%;
}

/* Unstable tile */
.mini-tile.unstable-tile {
    background: #ff4444 !important;
    font-size: 1.3rem;
    color: #fff;
    box-shadow: inset 0 0 15px rgba(255, 68, 68, 0.6);
    animation: miniPulse 1.5s ease-in-out infinite;
}

@keyframes miniPulse {
    0%, 100% { box-shadow: inset 0 0 10px rgba(255, 68, 68, 0.4); }
    50% { box-shadow: inset 0 0 20px rgba(255, 68, 68, 0.7); }
}

/* Void tile in diagram */
.mini-tile.void-tile {
    background: #000 !important;
}

/* Diagram Legend */
.diagram-legend {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.legend-dot.move-legend {
    background: rgba(255, 94, 58, 0.5);
}

.legend-dot.minister-legend {
    background: rgba(255, 94, 58, 0.25);
    border: 2px solid var(--accent-primary);
}

.legend-dot.unstable-legend {
    background: #ff4444;
}

/* ============================================
   PROMOTION OPTIONS
   ============================================ */
.promo-options {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.promo-option {
    padding: 0.6rem 1.25rem;
    background: #1e1e26;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.promo-option.highlight-promo {
    background: rgba(255, 94, 58, 0.15);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* ============================================
   STRATEGY TIPS
   ============================================ */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.tip-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    transition: all 0.3s;
}

.tip-card:hover {
    border-color: rgba(255, 94, 58, 0.3);
}

.tip-icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.tip-card h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.4rem;
}

.tip-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .rules-hero {
        padding: 6rem 1.5rem 2rem;
    }

    .rules-hero h1 {
        font-size: 2rem;
    }

    .rules-hero p {
        font-size: 1rem;
    }

    .rules-section {
        padding: 2.5rem 1.25rem;
    }

    .rules-section-title {
        font-size: 1.6rem;
    }

    .rule-card {
        padding: 1.25rem;
    }

    .mini-board {
        grid-template-columns: repeat(7, 38px);
        grid-template-rows: repeat(7, 38px);
    }

    .mini-board.small-board {
        grid-template-columns: repeat(5, 38px);
        grid-template-rows: repeat(5, 38px);
    }

    .mini-tile.move-dot::after {
        width: 10px;
        height: 10px;
    }

    .mini-tile.minister-pos {
        font-size: 1.1rem;
    }

    .tips-grid {
        grid-template-columns: 1fr;
    }

    .diagram-group {
        grid-template-columns: 1fr;
    }

    .piece-lineup {
        gap: 3px;
    }

    .lineup-piece {
        width: 44px;
        padding: 6px 2px;
    }

    .lineup-piece span {
        font-size: 1.1rem;
    }

    .lineup-piece small {
        font-size: 0.5rem;
    }

    .quick-change {
        font-size: 0.9rem;
    }
}

@media (max-width: 400px) {
    .rules-hero h1 {
        font-size: 1.6rem;
    }

    .mini-board {
        grid-template-columns: repeat(7, 32px);
        grid-template-rows: repeat(7, 32px);
    }

    .mini-board.small-board {
        grid-template-columns: repeat(5, 32px);
        grid-template-rows: repeat(5, 32px);
    }

    .lineup-piece {
        width: 36px;
    }

    .promo-options {
        gap: 0.4rem;
    }

    .promo-option {
        padding: 0.5rem 0.8rem;
        font-size: 0.85rem;
    }
}