/**
 * 游戏中心统一样式
 * 
 * 提供统一的游戏样式变量和组件样式
 */

/* ============================================
   CSS变量（游戏设计系统）
   ============================================ */
#chao-game-root, :root {
    /* 🆕 Phase 4 颜色系统 */
    --chao-game-primary: #3A5AFE;
    --chao-game-primary-dark: #2A47D8;
    --chao-game-primary-light: #E8EDFF;
    --chao-game-primary-hover: #2A47D8;
    --chao-game-accent: #FF7A59;
    --chao-game-success: #19B36B;
    --chao-game-error: #E53935;
    --chao-game-warning: #FFB020;
    
    /* 🆕 Phase 4 背景系统 */
    --chao-game-bg: #F9FAFB;
    --chao-game-bg-card: #FFFFFF;
    --chao-game-bg-hover: #F3F4F6;
    
    /* 🆕 Phase 4 文字系统 */
    --chao-game-text-primary: #111827;
    --chao-game-text-secondary: #4B5563;
    --chao-game-text-muted: #9CA3AF;
    
    /* 🆕 Phase 4 边框系统 */
    --chao-game-border: #E5E7EB;
    --chao-game-border-light: #F3F4F6;
    
    /* 游戏间距 */
    --chao-game-space-xs: 4px;
    --chao-game-space-sm: 8px;
    --chao-game-space-md: 16px;
    --chao-game-space-lg: 24px;
    --chao-game-space-xl: 32px;
    
    /* 🆕 Phase 4 圆角系统 */
    --chao-game-radius-sm: 8px;
    --chao-game-radius-md: 12px;
    --chao-game-radius-lg: 20px;
    --chao-game-radius-xl: 28px;
    --chao-game-radius-full: 9999px;
    
    /* 🆕 Phase 4 阴影系统 */
    --chao-game-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --chao-game-shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
    --chao-game-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --chao-game-shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.12);
    --chao-game-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.12);
    
    /* 🆕 Phase 4 动画系统 */
    --chao-game-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --chao-game-motion-fade: 220ms ease-out;
    --chao-game-motion-slide-up: 260ms cubic-bezier(0.16, 1, 0.3, 1);
    --chao-game-motion-scale-pop: 180ms ease-out;
    
    /* 🆕 Phase 4 字体系统 */
    --chao-game-font-display: 48px;
    --chao-game-font-heading: 24px;
    --chao-game-font-subheading: 18px;
    --chao-game-font-body: 16px;
    --chao-game-font-small: 14px;
    --chao-game-font-caption: 12px;
}

/* ============================================
   按钮组件
   ============================================ */
#chao-game-root .chao-game-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--chao-game-radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--chao-game-transition);
    text-decoration: none;
    line-height: 1.5;
}

#chao-game-root .chao-game-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 按钮尺寸 */
#chao-game-root .chao-game-btn-small {
    padding: 8px 16px;
    font-size: 12px;
}

#chao-game-root .chao-game-btn-medium {
    padding: 12px 24px;
    font-size: 14px;
}

#chao-game-root .chao-game-btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* 按钮类型 */
#chao-game-root .chao-game-btn-primary {
    background: var(--chao-game-primary);
    color: #fff;
}

#chao-game-root .chao-game-btn-primary:hover:not(:disabled) {
    background: var(--chao-game-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--chao-game-shadow-md);
}

#chao-game-root .chao-game-btn-secondary {
    background: var(--chao-game-bg-card);
    color: var(--chao-game-text-primary);
    border: 2px solid var(--chao-game-border);
}

#chao-game-root .chao-game-btn-secondary:hover:not(:disabled) {
    background: var(--chao-game-bg-hover);
    border-color: var(--chao-game-primary);
}

#chao-game-root .chao-game-btn-success {
    background: var(--chao-game-success);
    color: #fff;
}

#chao-game-root .chao-game-btn-danger {
    background: var(--chao-game-error);
    color: #fff;
}

/* ============================================
   进度条组件
   ============================================ */
#chao-game-root .chao-game-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--chao-game-bg-hover);
    border-radius: var(--chao-game-radius-full);
    overflow: hidden;
    position: relative;
}

#chao-game-root .chao-game-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--chao-game-primary) 0%, #6366F1 100%);
    border-radius: var(--chao-game-radius-full);
    transition: width 0.5s ease;
}

#chao-game-root .chao-game-progress-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 11px;
    font-weight: 600;
    color: var(--chao-game-text-primary);
}

/* ============================================
   卡片组件
   ============================================ */
#chao-game-root .chao-game-card {
    background: var(--chao-game-bg-card);
    border: 1px solid var(--chao-game-border);
    border-radius: var(--chao-game-radius-lg);
    padding: var(--chao-game-space-lg);
    box-shadow: var(--chao-game-shadow-sm);
    transition: all var(--chao-game-transition);
}

#chao-game-root .chao-game-card:hover {
    box-shadow: var(--chao-game-shadow-md);
    transform: translateY(-2px);
}

#chao-game-root .chao-game-card-clickable {
    cursor: pointer;
}

#chao-game-root .chao-game-card-header {
    display: flex;
    align-items: center;
    gap: var(--chao-game-space-md);
    margin-bottom: var(--chao-game-space-md);
}

#chao-game-root .chao-game-card-icon {
    font-size: 24px;
}

#chao-game-root .chao-game-card-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--chao-game-text-primary);
}

#chao-game-root .chao-game-card-body {
    color: var(--chao-game-text-secondary);
    line-height: 1.6;
}

#chao-game-root .chao-game-card-footer {
    margin-top: var(--chao-game-space-md);
    padding-top: var(--chao-game-space-md);
    border-top: 1px solid var(--chao-game-border-light);
}

/* ============================================
   评分显示组件
   ============================================ */
#chao-game-root .chao-game-score-display {
    text-align: center;
    padding: var(--chao-game-space-lg);
}

#chao-game-root .chao-game-score-label {
    font-size: 14px;
    color: var(--chao-game-text-secondary);
    margin-bottom: var(--chao-game-space-sm);
}

#chao-game-root .chao-game-score-number {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--chao-game-space-md);
}

#chao-game-root .chao-game-score-value {
    font-size: 48px;
    font-weight: 800;
    color: var(--chao-game-primary);
    line-height: 1;
}

#chao-game-root .chao-game-score-max {
    font-size: 24px;
    font-weight: 600;
    color: var(--chao-game-text-muted);
}

/* ============================================
   加载指示器
   ============================================ */
#chao-game-root .chao-game-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--chao-game-space-md);
    padding: var(--chao-game-space-xl);
}

#chao-game-root .chao-game-loader-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--chao-game-border);
    border-top-color: var(--chao-game-primary);
    border-radius: 50%;
    animation: pn-game-spin 1s linear infinite;
}

#chao-game-root .chao-game-loader-small .chao-game-loader-spinner {
    width: 24px;
    height: 24px;
    border-width: 3px;
}

#chao-game-root .chao-game-loader-large .chao-game-loader-spinner {
    width: 60px;
    height: 60px;
    border-width: 5px;
}

#chao-game-root .chao-game-loader-text {
    font-size: 14px;
    color: var(--chao-game-text-secondary);
}

@keyframes pn-game-spin {
#chao-game-root to {
}

/* ============================================
   提示框组件
   ============================================ */
#chao-game-root .chao-game-alert {
    padding: var(--chao-game-space-md);
    border-radius: var(--chao-game-radius-md);
    margin-bottom: var(--chao-game-space-md);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--chao-game-space-md);
}

#chao-game-root .chao-game-alert-info {
    background: #EFF6FF;
    border: 1px solid #3B82F6;
    color: #1E40AF;
}

#chao-game-root .chao-game-alert-success {
    background: #D1FAE5;
    border: 1px solid #10B981;
    color: #065F46;
}

#chao-game-root .chao-game-alert-warning {
    background: #FEF3C7;
    border: 1px solid #F59E0B;
    color: #92400E;
}

#chao-game-root .chao-game-alert-error {
    background: #FEE2E2;
    border: 1px solid #EF4444;
    color: #991B1B;
}

#chao-game-root .chao-game-alert-message {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
}

#chao-game-root .chao-game-alert-close {
    background: transparent;
    border: none;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--chao-game-transition);
}

#chao-game-root .chao-game-alert-close:hover {
    opacity: 1;
}

/* ============================================
   动画关键帧
   ============================================ */
@keyframes pn-game-bounce {
#chao-game-root 0%, #chao-game-root 100% {
        transform: scale(1);
    }
#chao-game-root 50% {
        transform: scale(1.1);
    }
}

#chao-game-root .chao-game-bounce-animation {
    animation: pn-game-bounce 0.6s ease;
}

@keyframes pn-game-shake {
#chao-game-root 0%, #chao-game-root 100% {
#chao-game-root 10%, #chao-game-root 30%, #chao-game-root 50%, #chao-game-root 70%, #chao-game-root 90% {
#chao-game-root 20%, #chao-game-root 40%, #chao-game-root 60%, #chao-game-root 80% {
}

#chao-game-root .chao-game-shake-animation {
    animation: pn-game-shake 0.5s ease;
}

@keyframes pn-game-pulse {
#chao-game-root 0%, #chao-game-root 100% {
        opacity: 1;
    }
#chao-game-root 50% {
        opacity: 0.5;
    }
}

#chao-game-root .chao-game-pulse-animation {
    animation: pn-game-pulse 1s ease infinite;
}

/* ============================================
   响应式布局
   ============================================ */
@media (max-width: 768px) {
#chao-game-root .chao-game-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
    
#chao-game-root .chao-game-card {
        padding: var(--chao-game-space-md);
    }
    
#chao-game-root .chao-game-score-value {
        font-size: 36px;
    }
}