/* ============================================== */
/* 畅弹 - 现代组件样式库                          */
/* 樱花磨砂主题 - 尊贵典雅 + 富有动感的交互                  */
/* ============================================== */

/* ========== 动态背景系统 ========== */
.app-background {
    position: fixed;
    inset: 0;
    background: transparent;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

/* 流动光斑 - 右上 - 金色 */
.app-background::before {
    content: '';
    position: absolute;
    width: calc(800 * var(--px));
    height: calc(800 * var(--px));
    background: radial-gradient(circle, rgba(255, 133, 162, 0.12) 0%, transparent 70%);
    top: calc(-200 * var(--px));
    right: calc(-200 * var(--px));
    animation: float-glow 15s ease-in-out infinite;
    will-change: transform;
}

/* 流动光斑 - 左下 - 金色 */
.app-background::after {
    content: '';
    position: absolute;
    width: calc(600 * var(--px));
    height: calc(600 * var(--px));
    background: radial-gradient(circle, rgba(255, 133, 162, 0.08) 0%, transparent 70%);
    bottom: calc(-100 * var(--px));
    left: calc(-100 * var(--px));
    animation: float-glow 20s ease-in-out infinite reverse;
    will-change: transform;
}

/* 额外光斑层 - 金色 */
.app-background-glow {
    position: fixed;
    width: calc(500 * var(--px));
    height: calc(500 * var(--px));
    background: radial-gradient(circle, rgba(255, 133, 162, 0.06) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-glow 8s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes float-glow {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(calc(30 * var(--px)), calc(-30 * var(--px))) scale(1.1); }
    66% { transform: translate(calc(-20 * var(--px)), calc(20 * var(--px))) scale(0.9); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.2); }
}

/* ========== 玻璃拟态卡片基类 ========== */
.glass-card {
    background: var(--glass-bg, rgba(0, 0, 0, 0.55));
    backdrop-filter: blur(calc(20 * var(--px)));
    -webkit-backdrop-filter: blur(calc(20 * var(--px)));
    border: calc(1 * var(--px)) solid var(--glass-border, rgba(255, 133, 162, 0.15));
    border-radius: calc(14 * var(--px));
    padding: calc(18 * var(--px));
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 顶部高光边框 */
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: calc(1 * var(--px));
    background: linear-gradient(90deg, transparent, rgba(255, 133, 162, 0.3), transparent);
    pointer-events: none;
}

/* 悬浮发光效果 */
.glass-card:hover {
    transform: translateY(calc(-8 * var(--px))) scale(1.02);
    border-color: rgba(255, 133, 162, 0.3);
    box-shadow: 
        0 calc(30 * var(--px)) calc(80 * var(--px)) rgba(0, 0, 0, 0.4),
        0 0 calc(40 * var(--px)) rgba(255, 133, 162, 0.1);
}

/* ========== 功能入口卡片（3D悬浮效果） ========== */
.feature-card-3d {
    background: linear-gradient(145deg, rgba(0, 0, 0, 0.50) 0%, rgba(0, 0, 0, 0.55) 100%);
    backdrop-filter: blur(calc(24 * var(--px)));
    -webkit-backdrop-filter: blur(calc(24 * var(--px)));
    border: calc(1 * var(--px)) solid rgba(255, 133, 162, 0.15);
    border-radius: calc(16 * var(--px));
    padding: calc(20 * var(--px));
    transform-style: preserve-3d;
    perspective: calc(1000 * var(--px));
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.feature-card-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: calc(1 * var(--px));
    background: linear-gradient(90deg, transparent, rgba(255, 133, 162, 0.4), transparent);
}

.feature-card-3d::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(255, 133, 162, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.feature-card-3d:hover {
    transform: rotateX(-5deg) rotateY(5deg) translateZ(calc(30 * var(--px))) translateY(calc(-10 * var(--px)));
    box-shadow: 
        0 calc(40 * var(--px)) calc(100 * var(--px)) rgba(0, 0, 0, 0.5),
        0 0 calc(60 * var(--px)) rgba(255, 133, 162, 0.15),
        inset 0 0 calc(60 * var(--px)) rgba(255, 133, 162, 0.03);
}

.feature-card-3d:hover::after {
    opacity: 1;
}

/* 卡片图标容器 - 金色渐变发光 */
.feature-card-3d .card-icon {
    width: calc(52 * var(--px));
    height: calc(52 * var(--px));
    border-radius: calc(14 * var(--px));
    background: var(--gradient-primary, linear-gradient(135deg, #FF85A2 0%, #D4A574 100%));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: calc(14 * var(--px));
    box-shadow: 0 calc(8 * var(--px)) calc(24 * var(--px)) rgba(255, 133, 162, 0.35);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: #0a0a0a;
}

.feature-card-3d:hover .card-icon {
    transform: translateZ(calc(40 * var(--px))) scale(1.08);
    box-shadow: 0 calc(12 * var(--px)) calc(32 * var(--px)) rgba(255, 133, 162, 0.45);
}

.feature-card-3d .card-title {
    font-size: calc(15 * var(--px));
    font-weight: 600;
    margin-bottom: calc(8 * var(--px));
    color: #ffffff;
}

.feature-card-3d .card-desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: calc(12 * var(--px));
    line-height: 1.5;
}

/* ========== 项目展示卡片（带预览图） ========== */
.project-card-modern {
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(calc(16 * var(--px)));
    -webkit-backdrop-filter: blur(calc(16 * var(--px)));
    border: calc(1 * var(--px)) solid rgba(255, 133, 162, 0.15);
    border-radius: calc(12 * var(--px));
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.project-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: calc(1 * var(--px));
    background: linear-gradient(90deg, transparent, rgba(255, 133, 162, 0.2), transparent);
}

.project-card-modern:hover {
    transform: translateY(calc(-8 * var(--px)));
    border-color: rgba(255, 133, 162, 0.3);
    box-shadow: 
        0 calc(30 * var(--px)) calc(80 * var(--px)) rgba(0, 0, 0, 0.4),
        0 0 calc(40 * var(--px)) rgba(255, 133, 162, 0.1);
}

/* 预览图区域 */
.project-card-modern .card-preview {
    height: calc(120 * var(--px));
    background: linear-gradient(135deg, rgba(255, 133, 162, 0.1) 0%, rgba(212, 165, 116, 0.1) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card-modern .card-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
}

.project-card-modern .card-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card-modern:hover .card-preview img {
    transform: scale(1.1);
}

/* 卡片内容区 */
.project-card-modern .card-body {
    padding: calc(14 * var(--px));
}

.project-card-modern .card-title {
    font-size: calc(14 * var(--px));
    font-weight: 600;
    color: #ffffff;
    margin-bottom: calc(6 * var(--px));
}

.project-card-modern .card-meta {
    color: rgba(255, 255, 255, 0.5);
    font-size: calc(12 * var(--px));
}

/* 状态标签 */
.project-card-modern .status-tag {
    padding: calc(4 * var(--px)) calc(10 * var(--px));
    border-radius: calc(12 * var(--px));
    font-size: calc(11 * var(--px));
    font-weight: 600;
    display: inline-block;
}

.status-tag.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 calc(4 * var(--px)) calc(12 * var(--px)) rgba(16, 185, 129, 0.3);
}

.status-tag.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    box-shadow: 0 calc(4 * var(--px)) calc(12 * var(--px)) rgba(245, 158, 11, 0.3);
}

.status-tag.info {
    background: linear-gradient(135deg, #FF85A2 0%, #D4A574 100%);
    color: #0a0a0a;
    box-shadow: 0 calc(4 * var(--px)) calc(12 * var(--px)) rgba(255, 133, 162, 0.3);
}

/* ========== 数据统计卡片 ========== */
.stats-card {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.60) 0%, rgba(0, 0, 0, 0.60) 100%);
    backdrop-filter: blur(calc(20 * var(--px)));
    -webkit-backdrop-filter: blur(calc(20 * var(--px)));
    border: calc(1 * var(--px)) solid rgba(255, 133, 162, 0.15);
    border-radius: calc(14 * var(--px));
    padding: calc(20 * var(--px));
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stats-card:hover {
    transform: translateY(calc(-5 * var(--px)));
    box-shadow: 0 calc(20 * var(--px)) calc(60 * var(--px)) rgba(0, 0, 0, 0.3);
}

.stats-card .stats-icon {
    width: calc(44 * var(--px));
    height: calc(44 * var(--px));
    border-radius: calc(12 * var(--px));
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto calc(12 * var(--px));
    color: #0a0a0a;
    box-shadow: 0 calc(6 * var(--px)) calc(20 * var(--px)) rgba(255, 133, 162, 0.3);
}

.stats-card .stats-value {
    font-size: calc(36 * var(--px));
    font-weight: 800;
    background: linear-gradient(135deg, #FF85A2 0%, #FF85A2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: calc(6 * var(--px));
}

.stats-card .stats-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: calc(12 * var(--px));
}

/* ========== 按钮动效系统 ========== */
.btn-animated {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 波纹效果 */
.btn-animated::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    transform: scale(0);
    opacity: 0;
    transition: transform 0.6s, opacity 0.6s;
}

.btn-animated:active::after {
    transform: scale(2);
    opacity: 1;
    transition: transform 0s, opacity 0s;
}

/* 发光按钮 - 金色 */
.btn-glow {
    background: var(--gradient-primary, linear-gradient(135deg, #FF85A2 0%, #D4A574 100%));
    border: none;
    padding: calc(10 * var(--px)) calc(20 * var(--px));
    border-radius: calc(8 * var(--px));
    color: #0a0a0a;
    font-weight: 600;
    font-size: calc(13 * var(--px));
    position: relative;
    z-index: 1;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-glow::before {
    content: '';
    position: absolute;
    inset: calc(-2 * var(--px));
    background: linear-gradient(135deg, #FF85A2, #D4A574, #FF85A2, #FF85A2);
    background-size: 400% 400%;
    border-radius: calc(10 * var(--px));
    z-index: -1;
    opacity: 0;
    animation: gradient-border 3s ease infinite;
    transition: opacity 0.3s;
}

.btn-glow:hover {
    transform: translateY(calc(-2 * var(--px)));
    box-shadow: 0 calc(10 * var(--px)) calc(30 * var(--px)) rgba(255, 133, 162, 0.4);
}

.btn-glow:hover::before {
    opacity: 1;
}

@keyframes gradient-border {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 玻璃按钮 */
.btn-glass {
    background: rgba(17, 17, 17, 0.8);
    backdrop-filter: blur(calc(10 * var(--px)));
    -webkit-backdrop-filter: blur(calc(10 * var(--px)));
    border: calc(1 * var(--px)) solid rgba(255, 133, 162, 0.2);
    padding: calc(10 * var(--px)) calc(20 * var(--px));
    border-radius: calc(8 * var(--px));
    color: #ffffff;
    font-weight: 500;
    font-size: calc(13 * var(--px));
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: rgba(26, 26, 26, 0.9);
    border-color: rgba(255, 133, 162, 0.4);
    transform: translateY(calc(-2 * var(--px)));
    box-shadow: 0 calc(10 * var(--px)) calc(30 * var(--px)) rgba(0, 0, 0, 0.3);
}

/* ========== 列表项入场动画 ========== */
.list-item-animated {
    opacity: 0;
    transform: translateY(calc(30 * var(--px)));
    animation: slide-up 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.list-item-animated:nth-child(1) { animation-delay: 0.05s; }
.list-item-animated:nth-child(2) { animation-delay: 0.1s; }
.list-item-animated:nth-child(3) { animation-delay: 0.15s; }
.list-item-animated:nth-child(4) { animation-delay: 0.2s; }
.list-item-animated:nth-child(5) { animation-delay: 0.25s; }
.list-item-animated:nth-child(6) { animation-delay: 0.3s; }
.list-item-animated:nth-child(7) { animation-delay: 0.35s; }
.list-item-animated:nth-child(8) { animation-delay: 0.4s; }

@keyframes slide-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 悬浮放大 + 发光 */
.list-item-animated:hover {
    transform: translateX(calc(8 * var(--px)));
    box-shadow: 0 0 calc(30 * var(--px)) rgba(255, 133, 162, 0.15);
}

/* ========== 模态框动效 ========== */
.modal-animated {
    animation: modal-in 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modal-in {
    0% {
        opacity: 0;
        transform: scale(0.8) translateY(calc(-50 * var(--px)));
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-overlay-animated {
    animation: overlay-in 0.3s ease-out;
}

@keyframes overlay-in {
    from { 
        opacity: 0; 
        backdrop-filter: blur(0); 
    }
    to { 
        opacity: 1; 
        backdrop-filter: blur(calc(8 * var(--px))); 
    }
}

/* 模态框玻璃样式 */
.modal-glass {
    background: rgba(0, 0, 0, 0.60);
    backdrop-filter: blur(calc(24 * var(--px)));
    -webkit-backdrop-filter: blur(calc(24 * var(--px)));
    border: calc(1 * var(--px)) solid rgba(255, 133, 162, 0.15);
    border-radius: calc(16 * var(--px));
    box-shadow: 
        0 calc(32 * var(--px)) calc(80 * var(--px)) rgba(0, 0, 0, 0.6),
        0 0 calc(48 * var(--px)) rgba(255, 133, 162, 0.1);
}

.modal-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: calc(1 * var(--px));
    background: linear-gradient(90deg, transparent, rgba(255, 133, 162, 0.3), transparent);
}

/* ========== 响应式网格系统 ========== */
.grid-container {
    display: grid;
    gap: calc(16 * var(--px));
    padding: calc(24 * var(--px));
}

/* 自适应列数 */
.grid-auto {
    grid-template-columns: repeat(auto-fill, minmax(calc(300 * var(--px)), 1fr));
}

/* 固定列数 */
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* 响应式调整 */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ========== 页面头部规范 ========== */
.page-header-modern {
    padding: calc(28 * var(--px)) calc(24 * var(--px));
    background: linear-gradient(180deg, rgba(17, 17, 17, 0.5) 0%, transparent 100%);
    border-bottom: calc(1 * var(--px)) solid rgba(255, 133, 162, 0.1);
    margin-bottom: calc(24 * var(--px));
}

.page-title-modern {
    font-size: calc(24 * var(--px));
    font-weight: 700;
    background: linear-gradient(135deg, #FF85A2 0%, #FF85A2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: calc(6 * var(--px));
}

.page-subtitle {
    color: rgba(255, 255, 255, 0.5);
    font-size: calc(14 * var(--px));
}

/* ========== 工具类 ========== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-glow {
    text-shadow: 0 0 calc(20 * var(--px)) rgba(255, 133, 162, 0.5);
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(calc(-5 * var(--px)));
    box-shadow: var(--shadow-float);
}

/* GPU加速 */
.gpu-accelerate {
    will-change: transform;
    transform: translateZ(0);
}