/**
 * AI数字人 - 应用样式
 * 现代化、炫酷、自适应
 */

/* ==================== CSS变量 ==================== */
:root {
    --wpai-primary: #8B5CF6;
    --wpai-primary-dark: #6D28D9;
    --wpai-primary-light: #A78BFA;
    --wpai-primary-bg: rgba(139, 92, 246, 0.1);
    --wpai-secondary: #F43F5E;
    --wpai-success: #22C55E;
    --wpai-warning: #F59E0B;
    --wpai-danger: #EF4444;
    --wpai-gray-50: #F8FAFC;
    --wpai-gray-100: #F1F5F9;
    --wpai-gray-200: #E2E8F0;
    --wpai-gray-300: #CBD5E1;
    --wpai-gray-400: #94A3B8;
    --wpai-gray-500: #64748B;
    --wpai-gray-600: #475569;
    --wpai-gray-700: #334155;
    --wpai-gray-800: #1E293B;
    --wpai-gray-900: #0F172A;
    --wpai-radius: 16px;
    --wpai-radius-sm: 8px;
    --wpai-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --wpai-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
    --wpai-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== 页面容器 ==================== */
.wpai-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
    min-height: 80vh;
}

.wpai-page-header {
    text-align: center;
    padding: 40px 0 30px;
}

.wpai-page-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--wpai-gray-800);
    margin: 0 0 8px;
}

.wpai-page-subtitle {
    font-size: 18px;
    color: var(--wpai-gray-500);
    margin: 0;
}

.wpai-page-badge {
    display: inline-block;
    padding: 4px 16px;
    background: var(--wpai-primary-bg);
    color: var(--wpai-primary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
}

/* ==================== 网格 ==================== */
.wpai-grid {
    display: grid;
    gap: 20px;
}

.wpai-grid-2 { grid-template-columns: repeat(2, 1fr); }
.wpai-grid-3 { grid-template-columns: repeat(3, 1fr); }
.wpai-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ==================== 卡片 ==================== */
.wpai-card {
    background: #fff;
    border-radius: var(--wpai-radius);
    border: 1px solid var(--wpai-gray-200);
    padding: 24px;
    transition: var(--wpai-transition);
}

.wpai-card:hover {
    border-color: var(--wpai-primary);
    box-shadow: var(--wpai-shadow);
}

.wpai-card-glow {
    background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.wpai-card-vip {
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    border-color: #F59E0B;
}

/* ==================== 工具类 ==================== */
.wpai-text-center { text-align: center; }
.wpai-text-primary { color: var(--wpai-primary); }
.wpai-text-success { color: var(--wpai-success); }
.wpai-text-warning { color: var(--wpai-warning); }
.wpai-text-danger { color: var(--wpai-danger); }
.wpai-text-gray { color: var(--wpai-gray-500); }
.wpai-text-muted { color: var(--wpai-gray-400); }

.wpai-mt-1 { margin-top: 8px; }
.wpai-mt-2 { margin-top: 16px; }
.wpai-mt-3 { margin-top: 24px; }
.wpai-mb-1 { margin-bottom: 8px; }
.wpai-mb-2 { margin-bottom: 16px; }
.wpai-mb-3 { margin-bottom: 24px; }

.wpai-flex { display: flex; }
.wpai-flex-center { display: flex; align-items: center; justify-content: center; }
.wpai-flex-between { display: flex; align-items: center; justify-content: space-between; }
.wpai-flex-gap-1 { gap: 8px; }
.wpai-flex-gap-2 { gap: 16px; }
.wpai-flex-wrap { flex-wrap: wrap; }
.wpai-flex-1 { flex: 1; }

/* ==================== 算力显示 ==================== */
.wpai-power-display {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    border-radius: 20px;
    font-weight: 700;
    color: #92400E;
}

.wpai-power-display .wpai-power-icon {
    font-size: 16px;
}

/* ==================== 动画 ==================== */
@keyframes wpai-fade-in {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes wpai-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes wpai-spin {
    to { transform: rotate(360deg); }
}

@keyframes wpai-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.wpai-animate-in {
    animation: wpai-fade-in 0.5s ease forwards;
}

.wpai-animate-delay-1 { animation-delay: 0.1s; }
.wpai-animate-delay-2 { animation-delay: 0.2s; }
.wpai-animate-delay-3 { animation-delay: 0.3s; }
.wpai-animate-delay-4 { animation-delay: 0.4s; }

/* ==================== 加载状态 ==================== */
.wpai-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--wpai-gray-200);
    border-top-color: var(--wpai-primary);
    border-radius: 50%;
    animation: wpai-spin 0.8s linear infinite;
}

.wpai-loading-sm { width: 16px; height: 16px; border-width: 2px; }
.wpai-loading-lg { width: 32px; height: 32px; border-width: 4px; }

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .wpai-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .wpai-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .wpai-grid-2 { grid-template-columns: 1fr; }
    .wpai-grid-3 { grid-template-columns: 1fr; }
    .wpai-grid-4 { grid-template-columns: 1fr; }
    
    .wpai-page-title {
        font-size: 28px;
    }
    .wpai-page-subtitle {
        font-size: 16px;
    }
    .wpai-page {
        padding: 16px 12px;
    }
    .wpai-card {
        padding: 16px;
    }
}

/* ==================== 滚动条美化 ==================== */
.wpai-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.wpai-scrollbar::-webkit-scrollbar-track {
    background: var(--wpai-gray-100);
    border-radius: 3px;
}

.wpai-scrollbar::-webkit-scrollbar-thumb {
    background: var(--wpai-gray-300);
    border-radius: 3px;
}

.wpai-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--wpai-gray-400);
}