/**
 * NVIDIA GPU数据库 - 样式文件
 * NVIDIA绿色主题，现代化设计
 * 版本: 1.0
 */

:root {
    --nvidia-green: #76B900;
    --nvidia-green-dark: #5A8F00;
    --nvidia-green-light: #A3D63A;
    --nvidia-gradient: linear-gradient(135deg, #76B900 0%, #5A8F00 100%);
    --primary-color: #76B900;
    --primary-dark: #5A8F00;
    --primary-light: #e8f5e0;
    --secondary-color: #6c757d;
    --success-color: #00a854;
    --danger-color: #ff4d4f;
    --warning-color: #faad14;
    --info-color: #13c2c2;
    --light-color: #fafafa;
    --dark-color: #262626;
    --border-radius: 6px;
    --border-radius-lg: 10px;
    --border-radius-xl: 14px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 3px 10px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.1);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background: #f5f7fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    animation: fadeIn 0.4s ease-out;
}

/* 导航栏 */
.navbar {
    background: var(--nvidia-gradient);
    border: none;
    box-shadow: var(--shadow-md);
    padding: 0.6rem 0;
    transition: all var(--transition-normal);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.2rem;
    color: #fff !important;
    transition: all var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.4rem 0.8rem !important;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.1);
}

/* 卡片 */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
    transition: all var(--transition-normal);
    background: #fff;
    overflow: hidden;
    animation: fadeIn 0.4s ease-out;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    border-bottom: 1px solid #eee;
    font-weight: 600;
    padding: 0.8rem 1rem;
    color: #1a1a1a;
}

.card-body {
    padding: 1rem;
}

.card .text-muted {
    color: #666 !important;
}

.card .bg-light {
    background-color: #f8f9fa !important;
}

.card .bg-light .text-muted {
    color: #555 !important;
}

/* 按钮 */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all var(--transition-fast);
    padding: 0.4rem 0.9rem;
}

.btn-nvidia {
    background: var(--nvidia-gradient);
    border: none;
    color: #fff;
}

.btn-nvidia:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(118, 185, 0, 0.3);
    color: #fff;
}

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

.btn-outline-nvidia:hover {
    background: var(--nvidia-green);
    border-color: var(--nvidia-green);
    transform: translateY(-1px);
    color: #fff;
}

.btn-lg {
    padding: 0.6rem 1.3rem;
    font-size: 0.95rem;
}

/* 徽章 */
.badge {
    border-radius: 15px;
    font-weight: 500;
    font-size: 0.7rem;
    padding: 0.3em 0.7em;
}

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

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

/* 表格 */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    color: #1a1a1a;
    border-bottom: 2px solid #e8e8e8;
    padding: 0.6rem;
}

.table td {
    vertical-align: middle;
    padding: 0.6rem;
    border-bottom: 1px solid #f0f0f0;
    color: #333;
}

.table tbody tr:hover td {
    background: #fafafa;
}

.table .text-muted {
    color: #666 !important;
}

/* 分页 */
.pagination {
    gap: 0.2rem;
}

.pagination .page-link {
    border: none;
    border-radius: var(--border-radius);
    padding: 0.4rem 0.7rem;
    color: #666;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.pagination .page-link:hover {
    background: var(--primary-light);
    color: var(--nvidia-green);
}

.pagination .page-item.active .page-link {
    background: var(--nvidia-gradient);
    color: #fff;
}

/* 表单 */
.form-control {
    border: 2px solid #e8e8e8;
    border-radius: var(--border-radius);
    padding: 0.5rem 0.9rem;
    transition: all var(--transition-fast);
    background: #fff;
}

.form-control:focus {
    border-color: var(--nvidia-green);
    box-shadow: 0 0 0 3px rgba(118, 185, 0, 0.1);
}

.form-select {
    border: 2px solid #e8e8e8;
    border-radius: var(--border-radius);
    padding: 0.5rem 0.9rem;
    transition: all var(--transition-fast);
    background: #fff;
}

.form-select:focus {
    border-color: var(--nvidia-green);
    box-shadow: 0 0 0 3px rgba(118, 185, 0, 0.1);
}

/* 面包屑 */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 0.8rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: #ccc;
}

.breadcrumb-item a {
    color: #666;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--nvidia-green);
}

/* 页脚 */
footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    color: rgba(255, 255, 255, 0.9);
    padding: 2.5rem 0 1.2rem;
    margin-top: auto;
}

footer h5 {
    color: #fff;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
}

footer a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: all var(--transition-fast);
}

footer a:hover {
    color: var(--nvidia-green);
    padding-left: 4px;
}

footer ul li {
    margin-bottom: 0.5rem;
}

footer .text-muted {
    color: rgba(255, 255, 255, 0.7) !important;
}

footer .text-light {
    color: rgba(255, 255, 255, 0.9) !important;
}

/* 代码 */
code {
    background: #f5f5f5;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.85rem;
    color: var(--nvidia-green);
}

pre {
    background: #282c34;
    border-radius: var(--border-radius);
    padding: 1rem;
    overflow-x: auto;
}

pre code {
    background: transparent;
    color: #abb2bf;
    padding: 0;
}

/* 列表组 */
.list-group-item {
    transition: all var(--transition-fast);
    border-left: 2px solid transparent;
}

.list-group-item:hover {
    background: rgba(118, 185, 0, 0.03);
    border-left-color: var(--nvidia-green);
}

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

::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #aaa;
}

/* 选择 */
::selection {
    background: var(--nvidia-green);
    color: #fff;
}

/* 响应式 */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(0, 0, 0, 0.1);
        border-radius: var(--border-radius);
        padding: 0.8rem;
        margin-top: 0.4rem;
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: 13px;
    }
    
    .card {
        border-radius: var(--border-radius);
        margin-bottom: 0.8rem;
    }
    
    .card-body {
        padding: 0.8rem;
    }
    
    .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    footer {
        padding: 1.5rem 0 1rem;
    }
    
    footer h5 {
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }
}

@media (max-width: 575.98px) {
    .container {
        padding-left: 0.6rem;
        padding-right: 0.6rem;
    }
}

@media print {
    .navbar, footer, .btn, .search-form, .pagination {
        display: none !important;
    }
    
    body {
        background: #fff;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #e8e8e8;
    }
}