* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Poppins', system-ui, sans-serif;
    overflow-x: hidden;
    color: white;
    background: linear-gradient(135deg, #0a1a1f 0%, #1a2a3a 50%, #0d1d2d 100%);
    min-height: 100vh;
}

/* 视频背景 */
.video-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,20,30,0.8) 0%, rgba(0,30,50,0.6) 50%, rgba(0,20,40,0.8) 100%);
    z-index: -1;
}

/* 顶部栏 */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    background: linear-gradient(90deg, rgba(10,30,50,0.9) 0%, rgba(20,40,60,0.8) 50%, rgba(10,30,50,0.9) 100%);
    border-bottom: 1px solid rgba(100,200,255,0.2);
    z-index: 100;
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0,255,255,0.5);
}

.beaker-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(0,255,200,0.1);
    border-radius: 20px;
    border: 1px solid rgba(0,255,200,0.3);
}

.beaker-icon {
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.status-text {
    font-size: 0.9rem;
    color: #00ffcc;
}

.menu-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.menu-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.05);
}

/* 菜单弹窗 */
.menu-overlay, .modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 200;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.menu-overlay.show, .modal-overlay.show {
    display: flex;
}

.menu-content, .modal-content {
    background: linear-gradient(135deg, rgba(20,40,60,0.95) 0%, rgba(10,30,50,0.95) 100%);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(100,200,255,0.3);
    box-shadow: 0 0 30px rgba(0,200,255,0.2);
    min-width: 300px;
}

.menu-content h2, .modal-content h2 {
    text-align: center;
    color: #00ffff;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.menu-content button, .modal-content button {
    display: block;
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    background: rgba(0,200,255,0.2);
    color: white;
    border: 1px solid rgba(0,200,255,0.3);
}

.menu-content button:hover, .modal-content button:hover {
    background: rgba(0,200,255,0.4);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,200,255,0.3);
}

/* 欢迎页面 */
.welcome-content {
    max-width: 500px;
    text-align: center;
}

.welcome-header {
    margin-bottom: 20px;
}

.welcome-header h1 {
    font-size: 2rem;
    color: #00ffff;
    margin-bottom: 5px;
    text-shadow: 0 0 20px rgba(0,255,255,0.5);
}

.welcome-subtitle {
    color: #88ccff;
    font-size: 1.1rem;
}

.welcome-description {
    background: rgba(0,0,0,0.2);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.welcome-description p {
    color: #aaeeff;
    margin: 0;
}

.welcome-section {
    margin-bottom: 20px;
}

.welcome-section h3 {
    color: #00ffaa;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.welcome-tip {
    background: rgba(255,200,0,0.1);
    border: 1px solid rgba(255,200,0,0.2);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 15px;
}

.welcome-tip p {
    color: #ffdd88;
    margin: 0;
    font-size: 0.9rem;
}

/* 欢迎页面难度按钮 */
.welcome-content .difficulty-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.welcome-content .diff-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 10px;
    font-weight: normal;
}

.welcome-content .diff-icon {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.welcome-content .diff-name {
    font-weight: bold;
    font-size: 1rem;
}

.welcome-content .diff-desc {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: 3px;
}

/* 难度按钮 */
.difficulty-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.diff-btn {
    font-weight: bold;
}

.diff-btn.easy {
    background: rgba(0,255,100,0.2);
    border-color: rgba(0,255,100,0.3);
}

.diff-btn.medium {
    background: rgba(255,200,0,0.2);
    border-color: rgba(255,200,0,0.3);
}

.diff-btn.hard {
    background: rgba(255,100,0,0.2);
    border-color: rgba(255,100,0,0.3);
}

.diff-btn.hell {
    background: rgba(255,0,100,0.2);
    border-color: rgba(255,0,100,0.3);
}

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

/* 帮助内容 */
.help-content {
    max-height: 80vh;
    overflow-y: auto;
    max-width: 500px;
}

.help-section {
    margin: 15px 0;
    padding: 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 10px;
}

.help-section h3 {
    color: #00ffcc;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.help-section p, .help-section li {
    color: #aaa;
    line-height: 1.6;
}

/* 游戏容器 */
.game-container {
    padding-top: 70px;
    padding-bottom: 100px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 对手区域 */
.opponent-area {
    order: 1;
}

/* 玩家信息 */
.player-info {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 20px;
    background: rgba(0,0,0,0.3);
    border-radius: 15px;
    margin: 10px;
    border: 1px solid rgba(255,100,100,0.3);
}

.player-info.player-self {
    border-color: rgba(100,200,255,0.3);
}

.avatar {
    font-size: 2.5rem;
}

.info-details {
    flex: 1;
}

.player-name {
    font-weight: bold;
    color: #fff;
    display: block;
}

.hp-bar {
    width: 150px;
    height: 12px;
    background: rgba(50,50,50,0.8);
    border-radius: 6px;
    overflow: hidden;
    margin: 5px 0;
}

.hp-fill {
    height: 100%;
    background: linear-gradient(90deg, #ff4444 0%, #ff8844 100%);
    transition: width 0.5s ease;
}

.player-hp {
    background: linear-gradient(90deg, #44ff44 0%, #88ff88 100%);
}

.hp-text {
    font-size: 0.8rem;
    color: #aaa;
}

.card-counts {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.8rem;
    color: #888;
}

.turn-badge {
    background: rgba(0,200,255,0.3);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: #00ffff;
    animation: glow 1.5s infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(0,255,255,0.3); }
    50% { box-shadow: 0 0 20px rgba(0,255,255,0.6); }
}

/* 反应区 */
.reaction-zone {
    margin: 10px;
    padding: 15px;
    background: rgba(0,0,0,0.2);
    border-radius: 15px;
    border: 2px dashed rgba(100,150,200,0.3);
}

.zone-label {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 10px;
    text-align: center;
}

.zone-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    min-height: 80px;
}

/* 中央对战区 */
.battlefield {
    order: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

/* 难度信息区域 */
.difficulty-info {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    align-items: center;
    background: rgba(0,30,50,0.8);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(100,200,255,0.3);
}

.difficulty-badge {
    padding: 4px 12px;
    border-radius: 15px;
    font-weight: bold;
    font-size: 0.85rem;
    background: linear-gradient(135deg, #0080ff, #00ffff);
    color: #000;
}

.rules-count {
    color: #aaa;
    font-size: 0.85rem;
}

.reaction-animation {
    font-size: 1.5rem;
    color: #00ffff;
    text-align: center;
    padding: 20px;
    background: rgba(0,0,0,0.3);
    border-radius: 15px;
    min-height: 80px;
    width: 100%;
    max-width: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0,255,255,0.3);
}

.reaction-animation.show {
    animation: reactionGlow 1s ease;
}

@keyframes reactionGlow {
    0% { box-shadow: 0 0 10px rgba(0,255,255,0.5); }
    50% { box-shadow: 0 0 30px rgba(0,255,255,0.8); }
    100% { box-shadow: 0 0 10px rgba(0,255,255,0.5); }
}

/* 物质进入反应区的动画 */
@keyframes slideIn {
    0% {
        transform: scale(0) rotate(0deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.8;
    }
    100% {
        transform: scale(1) rotate(360deg);
        opacity: 1;
    }
}

.card.substance.enter {
    animation: slideIn 0.5s ease-out forwards;
}

.turn-indicator {
    margin-top: 15px;
    padding: 10px 30px;
    background: rgba(0,200,255,0.2);
    border-radius: 25px;
    border: 1px solid rgba(0,200,255,0.4);
}

.turn-indicator span {
    color: #00ffff;
    font-weight: bold;
}

.message-area {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s ease;
}

/* 消息显示动画 */
.message-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 消息隐藏动画 */
.message-hide {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
}

/* 不同类型的消息样式 */
.message-info {
    background: rgba(0, 123, 255, 0.8);
    box-shadow: 0 0 15px rgba(0, 123, 255, 0.5);
}

.message-success {
    background: rgba(40, 167, 69, 0.8);
    box-shadow: 0 0 15px rgba(40, 167, 69, 0.5);
}

.message-warning {
    background: rgba(255, 193, 7, 0.8);
    box-shadow: 0 0 15px rgba(255, 193, 7, 0.5);
    color: #333;
}

.message-error {
    background: rgba(220, 53, 69, 0.8);
    box-shadow: 0 0 15px rgba(220, 53, 69, 0.5);
}

/* 玩家区域 */
.player-area {
    order: 3;
}

/* 手牌区 */
.hand-area {
    margin: 10px;
    padding: 15px;
    background: rgba(0,0,0,0.2);
    border-radius: 15px;
    border: 2px dashed rgba(100,200,255,0.3);
}

.hand-label {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 10px;
    text-align: center;
}

/* 组合预览区域 */
.combination-preview {
    background: rgba(0,30,50,0.6);
    border: 1px solid rgba(0,200,255,0.3);
    border-radius: 10px;
    padding: 10px 15px;
    margin-bottom: 10px;
    text-align: center;
    font-size: 1rem;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.combination-preview:empty {
    display: none;
}

.hand-cards {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
    min-height: 100px;
}

.hand-cards::-webkit-scrollbar {
    height: 6px;
}

.hand-cards::-webkit-scrollbar-track {
    background: rgba(50,50,50,0.5);
    border-radius: 3px;
}

.hand-cards::-webkit-scrollbar-thumb {
    background: rgba(100,200,255,0.5);
    border-radius: 3px;
}

/* 卡牌样式 */
.card {
    width: 70px;
    min-width: 70px;
    height: 95px;
    background: linear-gradient(145deg, rgba(40,60,80,0.9) 0%, rgba(20,40,60,0.9) 100%);
    border-radius: 10px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid rgba(100,150,200,0.3);
    position: relative;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,200,255,0.3);
}

.card.selected {
    border-color: #ffd700;
    box-shadow: 0 0 20px rgba(255,215,0,0.8), 0 0 40px rgba(255,215,0,0.4);
    transform: translateY(-5px) scale(1.05);
    animation: goldGlow 1.5s ease-in-out infinite;
}

@keyframes goldGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(255,215,0,0.8), 0 0 40px rgba(255,215,0,0.4); }
    50% { box-shadow: 0 0 30px rgba(255,215,0,1), 0 0 60px rgba(255,215,0,0.6); }
}

/* 卡牌点击动画 */
.card-click {
    animation: cardClick 0.2s ease-in-out;
}

@keyframes cardClick {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.95);
    }
    100% {
        transform: scale(1);
    }
}

/* 卡牌进入动画 */
.card-enter {
    animation: cardEnter 0.5s ease-out;
}

@keyframes cardEnter {
    0% {
        transform: scale(0.5);
        opacity: 0;
        transform-origin: center;
    }
    70% {
        transform: scale(1.1);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.card .card-symbol {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00ffff;
}

.card .card-name {
    font-size: 0.7rem;
    color: #aaa;
    margin-top: 5px;
    text-align: center;
}

.card .card-type {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 0.6rem;
    color: #888;
}

/* 物质牌特殊样式 */
.card.substance {
    background: linear-gradient(145deg, rgba(60,40,80,0.9) 0%, rgba(40,20,60,0.9) 100%);
}

.card.substance .card-symbol {
    color: #ff88ff;
}

.card.damage-1 {
    border-color: rgba(255,150,100,0.5);
}

.card.damage-2 {
    border-color: rgba(255,50,50,0.5);
}

/* 条件牌 */
.card.condition {
    background: linear-gradient(145deg, rgba(40,80,40,0.9) 0%, rgba(20,60,20,0.9) 100%);
}

.card.condition .card-symbol {
    color: #88ff88;
}

/* 功能牌 */
.card.function {
    background: linear-gradient(145deg, rgba(80,60,40,0.9) 0%, rgba(60,40,20,0.9) 100%);
}

.card.function .card-symbol {
    color: #ffcc88;
}

/* 操作按钮区 */
.action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    gap: 10px;
    padding: 15px 20px;
    background: linear-gradient(180deg, rgba(0,20,30,0) 0%, rgba(0,20,30,0.95) 100%);
    border-top: 1px solid rgba(100,200,255,0.2);
    z-index: 50;
}

.action-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    background: rgba(0,200,255,0.2);
    color: white;
    border: 1px solid rgba(0,200,255,0.3);
}

.action-btn:hover:not(:disabled) {
    background: rgba(0,200,255,0.4);
    transform: translateY(-2px);
}

.action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* 反制弹窗 */
.counter-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.counter-btn {
    flex: 1;
    padding: 15px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.counter-btn.yes {
    background: linear-gradient(135deg, #44ff44 0%, #22cc22 100%);
    color: black;
}

.counter-btn.no {
    background: linear-gradient(135deg, #ff4444 0%, #cc2222 100%);
    color: white;
}

.counter-btn:hover {
    transform: scale(1.05);
}

/* 目标选择 */
.target-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.target-btn {
    flex: 1;
    padding: 15px;
    font-size: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(0,200,255,0.3);
    cursor: pointer;
    transition: all 0.3s;
    background: rgba(0,0,0,0.3);
    color: white;
}

.target-btn:hover {
    background: rgba(0,200,255,0.3);
}

/* 游戏结束 */
.game-over h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.game-over #gameOverMessage {
    text-align: center;
    color: #aaa;
    margin-bottom: 20px;
}

.game-over-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    color: #888;
}

.game-over-buttons {
    display: flex;
    gap: 15px;
}

.game-over-buttons button {
    flex: 1;
    padding: 15px;
    font-size: 1rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.game-over-buttons button:first-child {
    background: linear-gradient(135deg, #00cccc 0%, #00aaaa 100%);
    color: black;
}

.game-over-buttons button:last-child {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
}

.game-over-buttons button:hover {
    transform: translateY(-2px);
}

/* 成就提示 */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: linear-gradient(135deg, rgba(255,200,50,0.95) 0%, rgba(255,150,0,0.95) 100%);
    padding: 15px 30px;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(255,200,50,0.4);
    z-index: 300;
    opacity: 0;
    transition: all 0.5s;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

#achievementText {
    font-size: 1.1rem;
    font-weight: bold;
    color: black;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .top-bar {
        height: 50px;
        padding: 0 10px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .beaker-status {
        display: none;
    }
    
    .player-info {
        padding: 8px 10px;
        margin: 5px;
    }
    
    .avatar {
        font-size: 1.8rem;
    }
    
    .hp-bar {
        width: 100px;
    }
    
    .reaction-zone {
        margin: 5px;
        padding: 10px;
    }
    
    .zone-cards {
        min-height: 60px;
    }
    
    .card {
        width: 55px;
        min-width: 55px;
        height: 75px;
        padding: 5px;
    }
    
    .card .card-symbol {
        font-size: 1.2rem;
    }
    
    .card .card-name {
        font-size: 0.6rem;
    }
    
    .action-bar {
        padding: 10px;
    }
    
    .action-btn {
        padding: 10px 5px;
        font-size: 0.75rem;
    }
    
    .reaction-animation {
        font-size: 1.1rem;
        padding: 10px;
    }
    
    .countdown-timer {
        padding: 10px;
        font-size: 0.8rem;
    }
    
    .countdown-time {
        font-size: 18px;
    }
}

/* 小屏幕优化 (≤480px) */
@media (max-width: 480px) {
    .top-bar {
        height: 55px;
        padding: 0 12px;
    }
    
    .logo {
        font-size: 1.1rem;
    }
    
    .menu-btn {
        width: 44px;
        height: 44px;
        font-size: 1.3rem;
    }
    
    .menu-content, .modal-content {
        min-width: 280px;
        padding: 20px;
    }
    
    .menu-content button, .modal-content button {
        padding: 14px;
        font-size: 1rem;
        min-height: 44px;
    }
    
    .welcome-content .difficulty-buttons {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .welcome-content .diff-btn {
        padding: 15px;
        min-height: 60px;
    }
    
    .player-info {
        padding: 6px 8px;
        margin: 4px;
        gap: 10px;
    }
    
    .avatar {
        font-size: 1.6rem;
    }
    
    .hp-bar {
        width: 80px;
        height: 10px;
    }
    
    .player-name {
        font-size: 0.9rem;
    }
    
    .hp-text {
        font-size: 0.7rem;
    }
    
    .card-counts {
        font-size: 0.7rem;
    }
    
    .reaction-zone {
        margin: 4px;
        padding: 8px;
    }
    
    .zone-label {
        font-size: 0.75rem;
    }
    
    .zone-cards {
        min-height: 50px;
        gap: 8px;
    }
    
    .card {
        width: 50px;
        min-width: 50px;
        height: 70px;
        padding: 4px;
    }
    
    .card .card-symbol {
        font-size: 1.1rem;
    }
    
    .card .card-name {
        font-size: 0.55rem;
    }
    
    .action-bar {
        padding: 12px 10px;
        gap: 8px;
    }
    
    .action-btn {
        padding: 14px 8px;
        font-size: 0.8rem;
        min-height: 44px;
    }
    
    .reaction-animation {
        font-size: 1rem;
        padding: 8px;
        min-height: 60px;
    }
    
    .difficulty-info {
        padding: 6px 12px;
        gap: 10px;
    }
    
    .difficulty-badge {
        font-size: 0.75rem;
        padding: 3px 10px;
    }
    
    .rules-count {
        font-size: 0.75rem;
    }
    
    .turn-indicator {
        padding: 8px 20px;
        font-size: 0.85rem;
    }
    
    .target-buttons, .counter-buttons, .game-over-buttons {
        gap: 10px;
    }
    
    .target-btn, .counter-btn, .game-over-buttons button {
        padding: 14px;
        min-height: 44px;
    }
}

/* 超小屏幕优化 (≤360px) */
@media (max-width: 360px) {
    .menu-content, .modal-content {
        min-width: 260px;
        padding: 15px;
    }
    
    .welcome-header h1 {
        font-size: 1.5rem;
    }
    
    .player-info {
        flex-wrap: wrap;
    }
    
    .info-details {
        flex: none;
        min-width: 120px;
    }
    
    .card {
        width: 45px;
        min-width: 45px;
        height: 65px;
    }
    
    .card .card-symbol {
        font-size: 1rem;
    }
    
    .action-btn {
        font-size: 0.7rem;
        padding: 12px 4px;
    }
    
    .reaction-animation {
        font-size: 0.9rem;
    }
}

/* 横屏模式优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .game-container {
        padding-bottom: 80px;
    }
    
    .player-info {
        padding: 5px 8px;
        margin: 3px;
        gap: 8px;
    }
    
    .avatar {
        font-size: 1.4rem;
    }
    
    .hp-bar {
        width: 70px;
        height: 8px;
    }
    
    .reaction-zone {
        padding: 6px;
        margin: 3px;
    }
    
    .zone-cards {
        min-height: 40px;
        gap: 6px;
    }
    
    .card {
        width: 42px;
        min-width: 42px;
        height: 58px;
        padding: 3px;
    }
    
    .card .card-symbol {
        font-size: 0.9rem;
    }
    
    .card .card-name {
        font-size: 0.5rem;
    }
    
    .action-bar {
        padding: 8px 10px;
    }
    
    .action-btn {
        padding: 10px 6px;
        font-size: 0.7rem;
        min-height: 40px;
    }
    
    .reaction-animation {
        padding: 6px;
        min-height: 50px;
        font-size: 0.9rem;
    }
    
    .difficulty-info {
        padding: 4px 10px;
    }
    
    .turn-indicator {
        padding: 6px 15px;
    }
}

/* 安全区域适配（iPhone刘海屏等） */
@supports (padding: env(safe-area-inset-bottom)) {
    .top-bar {
        padding-left: max(10px, env(safe-area-inset-left));
        padding-right: max(10px, env(safe-area-inset-right));
    }
    
    .action-bar {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
    }
    
    .menu-content, .modal-content {
        margin-left: env(safe-area-inset-left);
        margin-right: env(safe-area-inset-right);
    }
}

/* 倒计时计时器 */
.countdown-timer {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 100, 100, 0.9);
    border: 2px solid #ff6666;
    border-radius: 10px;
    padding: 15px;
    color: white;
    font-family: 'Arial', sans-serif;
    z-index: 1000;
    box-shadow: 0 0 20px rgba(255, 100, 100, 0.5);
    min-width: 200px;
    text-align: center;
    transition: all 0.3s ease;
}

/* 倒计时启动动画 */
.countdown-start {
    animation: countdownStart 0.5s ease-out;
}

@keyframes countdownStart {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* 紧急倒计时动画 */
.countdown-emergency {
    animation: countdownEmergency 1s infinite alternate;
}

@keyframes countdownEmergency {
    0% {
        box-shadow: 0 0 20px rgba(255, 0, 0, 0.8);
    }
    100% {
        box-shadow: 0 0 40px rgba(255, 0, 0, 1);
    }
}

/* 倒计时进度条 */
.countdown-progress {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    margin: 10px 0;
    overflow: hidden;
}

.countdown-bar {
    height: 100%;
    background: linear-gradient(to right, #4CAF50, #FFC107, #F44336);
    border-radius: 4px;
    transition: width 1s linear;
}

/* 倒计时时间显示 */
.countdown-time {
    font-size: 24px;
    font-weight: bold;
    margin: 10px 0;
}

/* 脉冲动画 */
@keyframes pulse {
    from {
        box-shadow: 0 0 20px rgba(255, 100, 100, 0.5);
    }
    to {
        box-shadow: 0 0 30px rgba(255, 100, 100, 0.8);
    }
}

.countdown-content h3 {
    margin: 0 0 10px 0;
    font-size: 18px;
    text-align: center;
}

.countdown-content p {
    margin: 5px 0;
    text-align: center;
}

.countdown-time {
    font-size: 24px;
    font-weight: bold;
    color: #ffff00;
}

.countdown-tip {
    font-size: 12px;
    color: #ffcccc;
    font-style: italic;
}