/* 全局变量与设计系统 */
:root {
    --bg-color: #080916;
    --card-bg: rgba(18, 20, 38, 0.5);
    --card-border: rgba(255, 255, 255, 0.05);
    --text-primary: #f1f3f9;
    --text-secondary: #8f9bb3;
    
    /* 霓虹色盘 */
    --neon-cyan: #00f0ff;
    --neon-pink: #ff007f;
    --neon-purple: #9d00ff;
    
    --neon-cyan-glow: rgba(0, 240, 255, 0.4);
    --neon-pink-glow: rgba(255, 0, 127, 0.4);
    --neon-purple-glow: rgba(157, 0, 255, 0.4);

    --font-heading: 'Press Start 2P', monospace;
    --font-body: 'Outfit', sans-serif;
}

/* 基础重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 动态背景 canvas 样式 */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

/* 页面主容器 */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

/* 头部样式 */
.header {
    text-align: center;
    margin-bottom: 60px;
}

/* 霓虹复古标题 */
.arcade-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: #fff;
    text-shadow: 0 0 10px var(--neon-cyan-glow),
                 0 0 20px var(--neon-cyan-glow),
                 0 0 40px var(--neon-cyan-glow);
    animation: titlePulse 2.5s infinite alternate ease-in-out;
    margin-bottom: 20px;
    position: relative;
}

@keyframes titlePulse {
    0% {
        text-shadow: 0 0 8px var(--neon-cyan-glow),
                     0 0 15px var(--neon-cyan-glow),
                     0 0 30px var(--neon-cyan-glow);
    }
    100% {
        text-shadow: 0 0 12px var(--neon-pink-glow),
                     0 0 25px var(--neon-pink-glow),
                     0 0 50px var(--neon-pink-glow);
        color: #fff;
    }
}

.arcade-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 300;
}

/* 游戏网格 */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    width: 100%;
    margin-bottom: 60px;
}

/* 游戏卡片基础样式 */
.game-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 35px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

/* 状态角标 */
.game-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.status-online {
    background: rgba(0, 240, 255, 0.15);
    color: var(--neon-cyan);
    border: 1px solid rgba(0, 240, 255, 0.3);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.status-locked {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 游戏图标与标题 */
.game-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.1));
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.game-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: 0.5px;
}

.game-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.game-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.game-controls span {
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px 12px;
    border-radius: 6px;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.02);
}

/* 按钮样式 */
.play-btn {
    display: block;
    width: 100%;
    padding: 15px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

/* 激活状态卡片交互与色彩 */
.game-card.active {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.game-card.active:hover {
    transform: translateY(-8px);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 30px var(--neon-cyan-glow);
}

.game-card.active:hover .game-icon {
    transform: scale(1.15) rotate(5deg);
}

.game-card.active:hover .card-glow {
    opacity: 1;
    background: radial-gradient(circle at 50% 10%, rgba(0, 240, 255, 0.1), transparent 70%);
}

.game-card.active .play-btn {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #080916;
    font-weight: 800;
    box-shadow: 0 0 15px var(--neon-cyan-glow);
}

.game-card.active .play-btn:hover {
    background: linear-gradient(135deg, #fff, var(--neon-cyan));
    box-shadow: 0 0 25px var(--neon-cyan);
    transform: scale(1.02);
}

/* 锁定状态卡片暗淡效果 */
.game-card.locked {
    opacity: 0.55;
    cursor: not-allowed;
}

.game-card.locked:hover {
    opacity: 0.7;
    border-color: var(--neon-pink);
    box-shadow: 0 0 20px var(--neon-pink-glow);
}

.game-card.locked:hover .card-glow {
    opacity: 1;
    background: radial-gradient(circle at 50% 10%, rgba(255, 0, 127, 0.05), transparent 70%);
}

.game-card.locked .play-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* 页脚样式 */
.footer {
    text-align: center;
    color: rgba(143, 155, 179, 0.5);
    font-size: 0.85rem;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 30px;
    width: 100%;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .arcade-title {
        font-size: 1.8rem;
    }
    .container {
        padding: 40px 15px;
    }
    .games-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}