/* ========================================
   6号助手发卡网 - 科技感暗色主题
   ======================================== */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.5);
    --glow-purple: 0 0 20px rgba(139, 92, 246, 0.5);
    --border-glass: 1px solid rgba(255, 255, 255, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(ellipse at top left, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Roboto, sans-serif;
}

main {
    flex: 1;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent-purple);
    text-shadow: var(--glow-cyan);
}

/* ========== 导航栏 ========== */
.navbar {
    background: rgba(10, 14, 23, 0.9) !important;
    backdrop-filter: blur(20px);
    border-bottom: var(--border-glass);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-brand i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

/* ========== 卡片样式 ========== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: var(--border-glass);
    border-radius: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--glow-cyan);
    border-color: rgba(6, 182, 212, 0.3);
}

.card-header {
    background: rgba(255, 255, 255, 0.03);
    border-bottom: var(--border-glass);
    color: var(--text-primary);
    font-weight: 600;
}

.card-body {
    color: var(--text-primary);
}

/* ========== 商品卡片 ========== */
.product-card {
    cursor: pointer;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover::before {
    opacity: 1;
}

.product-card .card-img-top {
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: var(--border-glass);
}

.product-card .card-img-top.d-flex {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.product-card .card-img-top i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.product-card .card-body {
    padding: 1.5rem;
}

.product-card .product-name {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.product-card .stock-badge {
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    border-radius: 2rem;
    font-weight: 600;
}

/* ========== Badge样式 ========== */
.badge {
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 2rem;
}

.badge.bg-success, .bg-success {
    background: var(--gradient-success) !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.badge.bg-secondary, .bg-secondary {
    background: var(--bg-glass) !important;
    color: var(--text-muted);
}

.badge.bg-info {
    background: var(--gradient-primary) !important;
}

.badge.bg-primary, .bg-primary {
    background: var(--gradient-primary) !important;
}

/* ========== 分类选择 ========== */
.category-item {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.category-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.category-item:hover::before {
    left: 100%;
}

.category-item:hover {
    border-color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    box-shadow: var(--glow-cyan);
    transform: scale(1.02);
}

.category-item.selected {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.1);
    box-shadow: var(--glow-purple);
}

.category-item .category-name {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.category-item .category-price {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    font-size: 1.5rem;
}

.category-item .category-stock {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ========== 按钮样式 ========== */
.btn {
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
    background: var(--gradient-primary);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    box-shadow: var(--glow-cyan);
}

.btn-outline-secondary {
    border: 2px solid var(--text-muted);
    color: var(--text-secondary);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--bg-glass);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.btn-outline-success {
    border: 2px solid var(--accent-green);
    color: var(--accent-green);
    background: transparent;
}

.btn-outline-success:hover {
    background: var(--accent-green);
    color: white;
}

.btn-outline-danger {
    border: 2px solid var(--accent-red);
    color: var(--accent-red);
    background: transparent;
}

.btn-outline-danger:hover {
    background: var(--accent-red);
    color: white;
}

.btn-outline-info {
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    background: transparent;
}

.btn-outline-info:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ========== 表单样式 ========== */
.form-control, .form-select {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-muted);
}

.form-check-input {
    background-color: var(--bg-glass);
    border-color: rgba(255, 255, 255, 0.2);
}

.form-check-input:checked {
    background-color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

.input-group-text {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

/* ========== 订单状态 ========== */
.order-status {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.order-status.pending {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(245, 158, 11, 0.1) 100%);
    color: var(--accent-orange);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.order-status.paid {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(16, 185, 129, 0.1) 100%);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.order-status.expired {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(239, 68, 68, 0.1) 100%);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ========== 卡密显示 ========== */
.card-code-box {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border: 2px solid rgba(16, 185, 129, 0.3);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-code-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(16, 185, 129, 0.1), transparent 30%);
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.card-code-box .card-code {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    word-break: break-all;
    user-select: all;
    position: relative;
    z-index: 1;
}

/* ========== Alert样式 ========== */
.alert {
    border: none;
    border-radius: 1rem;
    backdrop-filter: blur(10px);
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-orange);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* ========== 表格样式 ========== */
.table {
    color: var(--text-primary);
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: rgba(255, 255, 255, 0.05);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.03);
    --bs-table-striped-color: var(--text-primary);
    --bs-table-hover-bg: rgba(6, 182, 212, 0.05);
    --bs-table-hover-color: var(--text-primary);
}

.table > :not(caption) > * > * {
    background-color: transparent !important;
    color: var(--text-primary);
    border-bottom-color: rgba(255, 255, 255, 0.05);
}

.table > thead > tr > th {
    background: var(--bg-glass) !important;
    color: var(--text-secondary) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    font-weight: 600;
}

.table-light {
    --bs-table-bg: var(--bg-glass) !important;
    background: var(--bg-glass) !important;
}

.table-light th {
    background: var(--bg-glass) !important;
    color: var(--text-secondary) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    font-weight: 600;
}

.table td, .table th {
    border-color: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background: rgba(6, 182, 212, 0.05) !important;
    --bs-table-hover-bg: rgba(6, 182, 212, 0.05);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(255, 255, 255, 0.02) !important;
    --bs-table-striped-bg: rgba(255, 255, 255, 0.02);
}

.table-borderless td, .table-borderless th {
    border: none;
}

/* 修复Bootstrap表格内嵌白色背景 */
.table tbody, .table thead, .table tfoot,
.table tbody tr, .table thead tr {
    background-color: transparent !important;
    border-color: rgba(255, 255, 255, 0.05);
}

/* ========== 管理后台侧边栏 ========== */
.admin-sidebar {
    min-height: calc(100vh - 70px);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-right: var(--border-glass);
}

.admin-sidebar .nav-link {
    color: var(--text-secondary);
    padding: 1rem 1.25rem;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    margin: 0.25rem 0;
}

.admin-sidebar .nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
    border-left-color: var(--accent-cyan);
}

.admin-sidebar .nav-link.active {
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    border-left-color: var(--accent-cyan);
}

.admin-sidebar .nav-link i {
    width: 1.5rem;
    margin-right: 0.5rem;
}

/* ========== 统计卡片 ========== */
.stat-card {
    border: none;
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.stat-card.today::before {
    background: var(--gradient-primary);
}

.stat-card.week::before {
    background: var(--gradient-success);
}

.stat-card.month::before {
    background: linear-gradient(180deg, var(--accent-orange) 0%, var(--accent-pink) 100%);
}

.stat-card.year::before {
    background: linear-gradient(180deg, var(--accent-red) 0%, var(--accent-purple) 100%);
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card.today .stat-value {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card.week .stat-value {
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card.month .stat-value {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card.year .stat-value {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========== 分页 ========== */
.pagination {
    margin-bottom: 0;
}

.page-link {
    background: var(--bg-glass);
    border: var(--border-glass);
    color: var(--text-secondary);
    padding: 0.6rem 1rem;
    margin: 0 0.25rem;
    border-radius: 0.5rem;
}

.page-link:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-primary);
}

.page-item.active .page-link {
    background: var(--gradient-primary);
    border-color: transparent;
}

.page-item.disabled .page-link {
    background: var(--bg-glass);
    color: var(--text-muted);
}

/* ========== 面包屑 ========== */
.breadcrumb {
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--accent-cyan);
}

.breadcrumb-item.active {
    color: var(--text-muted);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted);
}

/* ========== Bootstrap暗色覆盖 ========== */
.bg-light {
    background: var(--bg-glass) !important;
    color: var(--text-primary) !important;
}

.bg-white {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
}

.bg-body, .bg-body-secondary, .bg-body-tertiary {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

.bg-dark {
    background: var(--bg-secondary) !important;
}

.border-bottom {
    border-bottom-color: rgba(255, 255, 255, 0.1) !important;
}

.border {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.bg-primary {
    background: var(--gradient-primary) !important;
}

hr {
    border-color: rgba(255, 255, 255, 0.1);
    opacity: 0.5;
}

.btn-check:checked + .btn-outline-primary {
    background: var(--gradient-primary) !important;
    color: white !important;
    border-color: var(--accent-cyan) !important;
    box-shadow: var(--glow-cyan);
}

.btn-check + .btn-outline-primary {
    background: var(--bg-glass) !important;
    color: var(--text-secondary) !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
}

.btn-check + .btn-outline-primary:hover {
    background: rgba(6, 182, 212, 0.15) !important;
    color: var(--accent-cyan) !important;
    border-color: var(--accent-cyan) !important;
}

.btn-close {
    filter: invert(1);
}

.navbar-text {
    color: var(--text-secondary) !important;
}

.card-footer {
    background: rgba(255, 255, 255, 0.03);
    border-top: var(--border-glass);
}

.list-group-item {
    background: var(--bg-glass);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal-content {
    background: var(--bg-secondary);
    border: var(--border-glass);
    color: var(--text-primary);
}

.modal-header {
    border-bottom: var(--border-glass);
}

.modal-footer {
    border-top: var(--border-glass);
}

.dropdown-menu {
    background: var(--bg-secondary);
    border: var(--border-glass);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background: var(--bg-glass);
    color: var(--accent-cyan);
}

option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    color: var(--text-primary);
}

.card-header.bg-success {
    background: var(--gradient-success) !important;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #d97706 100%) !important;
    color: white !important;
}

.card-header.bg-warning.text-dark {
    color: white !important;
}

.card-header.bg-danger {
    background: linear-gradient(135deg, var(--accent-red) 0%, #b91c1c 100%) !important;
}

.border-success {
    border-color: rgba(16, 185, 129, 0.3) !important;
}

.border-warning {
    border-color: rgba(245, 158, 11, 0.3) !important;
}

.border-danger {
    border-color: rgba(239, 68, 68, 0.3) !important;
}

.text-dark {
    color: white !important;
}

.form-check-label {
    color: var(--text-secondary);
}

/* ========== 页脚 ========== */
footer {
    background: var(--bg-secondary) !important;
    border-top: var(--border-glass);
}

footer .text-muted {
    color: var(--text-muted) !important;
}

/* ========== 文本颜色覆盖 ========== */
.text-muted {
    color: var(--text-muted) !important;
}

.text-primary {
    color: var(--accent-cyan) !important;
}

.text-success {
    color: var(--accent-green) !important;
}

.text-danger {
    color: var(--accent-pink) !important;
}

.text-warning {
    color: var(--accent-orange) !important;
}

.text-info {
    color: var(--accent-cyan) !important;
}

.fw-bold {
    font-weight: 700 !important;
}

/* ========== 代码样式 ========== */
code {
    background: var(--bg-glass);
    color: var(--accent-cyan);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Consolas', 'Courier New', monospace;
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}

/* ========== 动画 ========== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: var(--glow-cyan); }
    50% { box-shadow: var(--glow-purple); }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-glow {
    animation: glow 3s ease-in-out infinite;
}

/* ========== 响应式调整 ========== */
@media (max-width: 768px) {
    .category-item {
        padding: 1rem;
    }
    
    .stat-card .stat-value {
        font-size: 1.75rem;
    }
    
    .card-code-box .card-code {
        font-size: 1rem;
    }
    
    .product-card .card-img-top {
        height: 150px;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* ========== 背景光效 ========== */
.bg-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
}

.bg-glow-1 {
    top: -200px;
    left: -200px;
    background: var(--accent-cyan);
}

.bg-glow-2 {
    bottom: -200px;
    right: -200px;
    background: var(--accent-purple);
}