/**
 * 🎨 Lumvid Base Styles
 * 全局基础样式 - 所有页面共用
 */

/* ================================
   1. 全局背景与纹理
   ================================ */
body {
    background-color: #fcfcfc;
    background-image:
        radial-gradient(at 0% 0%, rgba(224, 195, 252, 0.25) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(142, 197, 252, 0.25) 0px, transparent 50%);
    background-attachment: fixed;
}

.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ================================
   2. 玻璃态效果
   ================================ */
.glass-island {
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(35px);
    -webkit-backdrop-filter: blur(35px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.05);
}

.glass-panel {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

/* 深色玻璃态（用于模态框等） */
.glass-dark {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.98));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* ================================
   3. 模态框基础样式
   ================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    width: 100%;
    max-width: 28rem;
    border-radius: 1.5rem;
    overflow: hidden;
}

/* ================================
   4. 滚动条美化
   ================================ */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.custom-scrollbar::-webkit-scrollbar {
    width: 4px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ================================
   5. 基础动画
   ================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.4s ease-out forwards;
}

/* ================================
   6. 工具类
   ================================ */
.text-shadow-sm {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 截断文本 */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ================================
   7. 颜色变量 (CSS Custom Properties)
   ================================ */
:root {
    --color-brand-50: #eef2ff;
    --color-brand-100: #e0e7ff;
    --color-brand-200: #c7d2fe;
    --color-brand-400: #818cf8;
    --color-brand-500: #6366f1;
    --color-brand-600: #4f46e5;
    --color-brand-700: #4338ca;

    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    --color-dark: #0f172a;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
}