/* GlobalTracker - 主样式 */
:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #e94560;
    --accent-light: #ff6b6b;
    --gold: #d4af37;
    --gold-light: #f4d03f;
    --text-dark: #1a1a2e;
    --text-light: #ffffff;
    --text-muted: #8892b0;
    --bg-light: #f8f9fa;
    --bg-dark: #0f0f23;
    --card-bg: #ffffff;
    --border: #e1e4e8;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

/* ============ 公开首页 ============ */
.hero-section {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(233,69,96,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212,175,55,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 10;
    padding-top: 80px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-light);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(233,69,96,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    padding: 14px 32px;
    border-radius: 50px;
    border: 2px solid rgba(255,255,255,0.3);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* ============ 订单轮播 ============ */
.carousel-section {
    padding: 80px 0;
    background: var(--bg-dark);
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.order-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding: 1rem 0 2rem;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}

.order-carousel::-webkit-scrollbar {
    height: 6px;
}

.order-carousel::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
    border-radius: 3px;
}

.order-carousel::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

.order-card {
    flex: 0 0 340px;
    background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.order-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.order-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.order-card-no {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--gold);
    font-weight: 600;
}

.order-card-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(233,69,96,0.2);
    color: var(--accent-light);
}

.order-card-company {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.order-card-country {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.order-card-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
    background: rgba(255,255,255,0.05);
}

.order-card-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.order-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.order-card-time {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 轮播动画 */
@keyframes slideIn {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.order-card {
    animation: slideIn 0.5s ease forwards;
}

/* ============ 特性展示 ============ */
.features-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 4px solid var(--accent);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ============ 好评展示 ============ */
.reviews-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--bg-dark) 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.review-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.review-stars {
    color: var(--gold);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.review-content {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* ============ 页脚 ============ */
.site-footer {
    background: var(--bg-dark);
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============ 登录/注册页 ============ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
    padding: 2rem;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo h1 {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-logo p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(233,69,96,0.1);
}

.auth-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.auth-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(233,69,96,0.3);
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-link a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

/* ============ 后台布局 ============ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--primary) 100%);
    color: var(--text-light);
    padding: 1.5rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-logo {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1rem;
}

.sidebar-logo h2 {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 2px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--text-light);
    background: rgba(255,255,255,0.05);
    border-left-color: var(--accent);
}

.sidebar-nav .nav-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.app-main {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.app-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* ============ 卡片/表格 ============ */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent);
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
}

.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--bg-light);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
}

.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

.data-table tr:hover {
    background: var(--bg-light);
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-pending { background: #fff3cd; color: #856404; }
.status-processing { background: #cce5ff; color: #004085; }
.status-completed { background: #d4edda; color: #155724; }
.status-shipped { background: #e2d5f5; color: #5a32a3; }

/* ============ 时间线 ============ */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent) 0%, var(--border) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -33px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--accent);
}

.timeline-item.completed .timeline-dot {
    background: var(--success);
    box-shadow: 0 0 0 2px var(--success);
}

.timeline-content {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.timeline-status {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-dark);
}

.timeline-time {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.timeline-note {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.timeline-media {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.timeline-media img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
}

.timeline-media img:hover {
    transform: scale(1.05);
}

.timeline-media video {
    width: 200px;
    border-radius: 8px;
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .app-sidebar { width: 100%; height: auto; position: relative; }
    .app-main { margin-left: 0; padding: 1rem; }
    .order-card { flex: 0 0 280px; }
    .section-title h2 { font-size: 1.8rem; }
}

/* 上传进度条 */
.upload-progress {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.upload-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, var(--gold) 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}