/* 游戏页面样式 */
.game-page {
    padding: 8rem 0 4rem;
    min-height: 100vh;
}

.game-header {
    text-align: center;
    margin-bottom: 3rem;
}

.game-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: 'Orbitron', sans-serif;
    color: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.game-header h1 i {
    color: var(--primary-color);
}

.game-subtitle {
    font-size: 1.125rem;
    color: var(--gray-light);
    max-width: 600px;
    margin: 0 auto;
}

.game-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    margin-bottom: 4rem;
}

@media (max-width: 1024px) {
    .game-container {
        grid-template-columns: 1fr;
    }
}

/* 游戏主区域 */
.game-main {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.game-board-container {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

#game-board {
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    display: block;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: var(--radius-xl);
    opacity: 1;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.game-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay-content {
    text-align: center;
    padding: 3rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    max-width: 400px;
    width: 100%;
}

.overlay-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-family: 'Orbitron', sans-serif;
}

.overlay-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: var(--gray-light);
}

.overlay-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.overlay-buttons .btn {
    width: 100%;
}

/* 移动端控制按钮 */
.game-controls-mobile {
    display: none;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

@media (max-width: 768px) {
    .game-controls-mobile {
        display: block;
    }
}

.mobile-control-buttons {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.mobile-control-buttons:last-child {
    margin-bottom: 0;
}

.mobile-btn {
    flex: 1;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.mobile-btn.left,
.mobile-btn.right,
.mobile-btn.down {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.mobile-btn.rotate {
    background: linear-gradient(135deg, var(--secondary-color), #0da271);
}

.mobile-btn.pause {
    background: linear-gradient(135deg, var(--accent-color), #d97706);
}

.mobile-btn.drop {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
}

/* 游戏侧边栏 */
.game-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.info-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--light-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.info-card h3 i {
    color: var(--primary-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.info-item {
    background: rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    padding: 1rem;
    text-align: center;
}

.info-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-color);
    margin-bottom: 0.5rem;
}

.info-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Orbitron', sans-serif;
}

.next-piece-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 140px;
}

#next-piece {
    background: rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    display: block;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

/* 游戏设置 */
.settings {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item label {
    color: var(--gray-light);
    font-size: 0.875rem;
}

.setting-select {
    background: rgba(0, 0, 0, 0.08);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--light-color);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    min-width: 120px;
}

.setting-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-color);
    transition: .4s;
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* 高分榜 */
.leaderboard {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.leaderboard-item:hover {
    transform: translateX(5px);
    background: rgba(0, 0, 0, 0.4);
}

.leaderboard-item .rank {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    font-size: 0.875rem;
}

.leaderboard-item .player {
    flex: 1;
    color: var(--light-color);
    font-weight: 500;
}

.leaderboard-item .score {
    color: var(--primary-color);
    font-weight: 600;
    font-family: 'Orbitron', sans-serif;
}

/* 游戏说明 */
.game-instructions {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    backdrop-filter: blur(10px);
}

.game-instructions h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--light-color);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.game-instructions h2 i {
    color: var(--primary-color);
}

.instructions-content {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.instruction-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--light-color);
}

.instruction-section p {
    color: var(--gray-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.control-instructions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.control-instruction h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--light-color);
}

.control-instruction ul {
    list-style: none;
    padding-left: 0;
}

.control-instruction li {
    padding: 0.5rem 0;
    color: var(--gray-light);
    border-bottom: 1px solid var(--glass-border);
}

.control-instruction li:last-child {
    border-bottom: none;
}

.control-instruction li strong {
    color: var(--primary-color);
    font-weight: 600;
    min-width: 80px;
    display: inline-block;
}

.score-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.score-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.score-table th {
    padding: 1rem;
    text-align: left;
    color: white;
    font-weight: 600;
}

.score-table tbody tr {
    border-bottom: 1px solid var(--glass-border);
}

.score-table tbody tr:last-child {
    border-bottom: none;
}

.score-table td {
    padding: 1rem;
    color: var(--gray-light);
}

.score-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.note {
    font-size: 0.875rem;
    color: var(--gray-color);
    font-style: italic;
    margin-top: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .game-page {
        padding: 6rem 0 3rem;
    }

    .game-header h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .game-board-container {
        padding: 1rem;
    }

    .overlay-content {
        padding: 2rem;
    }

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

    .control-instructions {
        grid-template-columns: 1fr;
    }

    .game-instructions {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .game-header h1 {
        font-size: 1.75rem;
    }

    .mobile-control-buttons {
        flex-direction: column;
    }

    .mobile-btn {
        height: 50px;
        font-size: 1.25rem;
    }
}