/* ============================================
   PA95.COM 全局UI优化样式 v2.0
   统一设计语言 · 三端响应式 · 现代美学
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@400;500;700;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* 主色调 - 统一紫色系 */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-darker: #4338ca;
    --primary-light: #818cf8;
    --primary-lighter: #c7d2fe;
    --primary-bg: #eef2ff;
    --primary-bg-light: #f5f3ff;
    
    /* 辅助色 */
    --accent: #06b6d4;
    --accent-dark: #0891b2;
    --purple: #8b5cf6;
    --pink: #ec4899;
    
    /* 语义色 */
    --success: #10b981;
    --success-dark: #059669;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-bg: #fef2f2;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    
    /* 中性色 */
    --bg: #f8fafc;
    --bg-secondary: #f1f5f9;
    --card: #ffffff;
    --card-hover: #fafbfc;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-lighter: #cbd5e1;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --border-dark: #cbd5e1;
    
    /* 阴影 */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 6px 12px -2px rgba(0,0,0,0.08), 0 4px 8px -2px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 24px -4px rgba(0,0,0,0.1), 0 4px 8px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 40px -8px rgba(0,0,0,0.12), 0 8px 16px -8px rgba(0,0,0,0.06);
    --shadow-primary: 0 4px 14px rgba(99,102,241,0.3);
    --shadow-primary-lg: 0 8px 24px rgba(99,102,241,0.35);
    
    /* 圆角 */
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    
    /* 字体 */
    --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    
    /* 过渡 */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 全局重置 ===== */
* {
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body:not(.pa95-auth-page) {
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    transition: var(--transition);
}
body.pa95-auth-page a { color: inherit; }

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-lighter);
    border-radius: var(--radius-full);
    transition: var(--transition);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* ===== 统一按钮样式 ===== */
.btn, button.btn, input[type="submit"].btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    padding: 10px 20px;
    font-size: 14px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    line-height: 1.4;
}

.btn-primary, .btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: var(--shadow-primary);
    border: none;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary-lg);
}

.btn-outline-primary {
    border: 2px solid var(--primary-lighter);
    color: var(--primary);
    background: var(--card);
}
.btn-outline-primary:hover {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    color: #fff;
}
.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    color: #fff;
}
.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark));
    color: #fff;
}

/* ===== 统一卡片样式 ===== */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-lighter);
}
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-light);
    padding: 16px 20px;
    font-weight: 700;
    font-size: 15px;
    color: var(--text);
}
.card-body {
    padding: 20px;
}

/* ===== 统一表单样式 ===== */
.form-control, .form-select,
body:not(.pa95-auth-page) input[type="text"],
body:not(.pa95-auth-page) input[type="email"],
body:not(.pa95-auth-page) input[type="password"],
body:not(.pa95-auth-page) input[type="number"],
body:not(.pa95-auth-page) input[type="search"],
textarea, select {
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 14px;
    transition: var(--transition);
    background: var(--card);
    color: var(--text);
    width: 100%;
}
.form-control:focus, .form-select:focus,
body:not(.pa95-auth-page) input:focus,
textarea:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
    outline: none;
}
.form-control::placeholder, input::placeholder, textarea::placeholder {
    color: var(--text-light);
}

/* ===== 统一徽章/标签 ===== */
.badge {
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    font-size: 11px;
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.bg-primary, .badge-primary { background: var(--primary-bg) !important; color: var(--primary-dark) !important; }
.bg-success, .badge-success { background: var(--success-bg) !important; color: var(--success-dark) !important; }
.bg-danger, .badge-danger { background: var(--danger-bg) !important; color: var(--danger-dark) !important; }
.bg-warning, .badge-warning { background: var(--warning-bg) !important; color: var(--warning-dark) !important; }
.bg-info, .badge-info { background: var(--info-bg) !important; color: var(--info) !important; }
.bg-purple { background: var(--primary-bg-light) !important; color: var(--purple) !important; }
.bg-light { background: var(--bg-secondary) !important; color: var(--text-muted) !important; }

/* ===== 统一标题 ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

/* ===== 导航栏统一 ===== */
.navbar, .lyear-layout-header, .nav {
    background: rgba(255,255,255,0.88) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-xs) !important;
}
.navbar-brand, .sidebar-brand, .nav-logo {
    font-weight: 800;
    color: var(--text) !important;
}

/* ===== 侧边栏统一 ===== */
.sidebar, .sidebar-main, .lyear-layout-sidebar {
    background: var(--card);
    border-right: 1px solid var(--border);
}
.sidebar-nav .nav-link, .sidebar-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    margin: 2px 8px;
    transition: var(--transition);
}
.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active,
.sidebar-link:hover,
.sidebar-link.active {
    background: var(--primary-bg);
    color: var(--primary);
}

/* ===== API卡片统一样式 ===== */
.api-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.api-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}
.api-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.api-card:hover::before {
    transform: scaleX(1);
}

/* ===== 统计卡片 ===== */
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.08;
}
.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 4px;
}

/* ===== 表格美化 ===== */
.table {
    --bs-table-bg: transparent;
    color: var(--text);
}
.table thead th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
    padding: 12px 16px;
}
.table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}
.table tbody tr:hover {
    background: var(--bg-secondary);
}

/* ===== 分页美化 ===== */
.pagination .page-link {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) !important;
    margin: 0 3px;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 8px 14px;
    transition: var(--transition);
}
.pagination .page-link:hover {
    background: var(--primary-bg);
    border-color: var(--primary-lighter);
    color: var(--primary);
}
.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-primary);
}

/* ===== 代码块美化 ===== */
pre, code, .code-block {
    font-family: var(--font-mono);
    background: #0f172a;
    color: #e2e8f0;
    border-radius: var(--radius);
    padding: 16px 20px;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.7;
}
code {
    padding: 2px 6px;
    font-size: 12px;
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--primary-dark);
}
pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* ===== 公告栏 ===== */
.announcement, .announcement-bar {
    background: linear-gradient(135deg, var(--primary-bg), var(--primary-bg-light));
    border: 1px solid var(--primary-lighter);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.announcement .icon, .announcement-bar i {
    font-size: 1.5rem;
    color: var(--primary);
}

/* ===== 页脚 ===== */
footer, .footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 40px 0 24px;
    margin-top: 60px;
    color: var(--text-muted);
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(99,102,241,0.4); }
    70% { box-shadow: 0 0 0 10px rgba(99,102,241,0); }
    100% { box-shadow: 0 0 0 0 rgba(99,102,241,0); }
}
.animate-fade-in {
    animation: fadeInUp 0.5s ease-out forwards;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}
.empty-state .icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.4;
}

/* ===== 加载骨架屏 ===== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-light) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   响应式优化 - 平板端 (769px - 1024px)
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --space-lg: 24px;
        --space-xl: 32px;
    }
    
    .container-fluid {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    /* 网格自适应 */
    .api-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 14px !important;
    }
    
    .features-grid, .feature-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .cat-grid, .category-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
    
    /* 统计卡片 */
    .stat-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    /* 侧边栏可折叠 */
    .sidebar.collapsible {
        transform: translateX(-100%);
    }
    .sidebar.collapsible.show {
        transform: translateX(0);
    }
    
    /* 表格横向滚动 */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ============================================
   响应式优化 - 移动端 (<= 768px)
   ============================================ */
@media (max-width: 768px) {
    :root {
        --radius: 10px;
        --radius-lg: 14px;
        --space-md: 16px;
        --space-lg: 20px;
        --space-xl: 24px;
    }
    
    body {
        font-size: 14px;
    }
    
    .container, .container-fluid {
        padding-left: 14px !important;
        padding-right: 14px !important;
    }
    
    /* 导航栏 */
    .navbar {
        padding: 8px 0 !important;
    }
    .navbar-brand {
        font-size: 16px !important;
    }
    
    /* 网格单列 */
    .api-grid,
    .features-grid, .feature-grid,
    .cat-grid, .category-grid,
    .stat-grid,
    .card-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    /* 卡片内边距减小 */
    .card, .api-card, .stat-card {
        padding: 16px !important;
    }
    .card-body {
        padding: 16px !important;
    }
    
    /* 标题字号 */
    h1 { font-size: 24px !important; }
    h2 { font-size: 20px !important; }
    h3 { font-size: 17px !important; }
    
    .section-title, .page-title {
        font-size: 22px !important;
    }
    
    /* 按钮全宽 */
    .btn-group {
        flex-direction: column;
    }
    .btn-group .btn {
        width: 100%;
        border-radius: var(--radius-sm) !important;
    }
    
    /* 表单 */
    .form-control, .form-select {
        padding: 12px 14px;
        font-size: 15px;
    }
    
    /* 表格 */
    .table thead {
        display: none;
    }
    .table tbody tr {
        display: block;
        margin-bottom: 12px;
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 12px;
    }
    .table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border-bottom: 1px solid var(--border-light);
    }
    .table tbody td:last-child {
        border-bottom: none;
    }
    .table tbody td::before {
        content: attr(data-label);
        font-weight: 700;
        color: var(--text-secondary);
        font-size: 12px;
    }
    
    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    /* 侧边栏全屏抽屉 */
    .sidebar {
        width: 280px !important;
        position: fixed !important;
        top: 0;
        left: 0;
        height: 100vh;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: var(--shadow-xl);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
        backdrop-filter: blur(2px);
    }
    .sidebar-overlay.show {
        display: block;
    }
    
    /* 主内容无侧边栏时全宽 */
    .main-content, .main {
        margin-left: 0 !important;
        padding: 16px !important;
    }
    
    /* Hero区域 */
    .hero {
        padding: 40px 16px !important;
        text-align: center;
    }
    .hero h1 {
        font-size: 26px !important;
    }
    
    /* 代码块 */
    pre, .code-block {
        font-size: 12px;
        padding: 12px 14px;
    }
    
    /* 页脚 */
    .footer-grid, footer .row {
        grid-template-columns: 1fr 1fr !important;
        gap: 20px !important;
    }
    
    /* 隐藏非必要元素 */
    .hide-mobile {
        display: none !important;
    }
    
    /* 底部安全区 */
    .pb-safe {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* ============================================
   小屏手机 (<= 480px)
   ============================================ */
@media (max-width: 480px) {
    .cat-grid, .category-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .features-grid, .feature-grid {
        grid-template-columns: 1fr 1fr !important;
    }
    
    .hero h1 {
        font-size: 22px !important;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .api-card-icon, .card-icon {
        width: 36px !important;
        height: 36px !important;
        font-size: 14px !important;
    }
}

/* ============================================
   大屏优化 (>= 1440px)
   ============================================ */
@media (min-width: 1440px) {
    .container {
        max-width: 1320px;
    }
    
    .api-grid {
        gap: 18px !important;
    }
}

/* ============================================
   暗色模式支持
   ============================================ */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f172a;
        --bg-secondary: #1e293b;
        --card: #1e293b;
        --card-hover: #334155;
        --text: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --text-light: #64748b;
        --border: #334155;
        --border-light: #1e293b;
    }
    
    .navbar, .nav, .sidebar {
        background: rgba(30,41,59,0.9) !important;
    }
    
    .card:hover, .api-card:hover {
        background: var(--card-hover);
    }
}

/* ===== 工具类 ===== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}
.bg-gradient-accent {
    background: linear-gradient(135deg, var(--accent), var(--primary));
}
.hover-lift {
    transition: var(--transition);
}
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.glass:not(.pa95-auth-page .glass) {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}


/* ===== Auth Page Protection - prevent global CSS bleed ===== */
body.pa95-auth-page {
    background: #f9fafb !important;
    padding-top: 110px !important;
}
body.pa95-auth-page .pa95-auth-card {
    display: flex !important;
    flex-direction: row !important;
}
body.pa95-auth-page .pa95-auth-left,
body.pa95-auth-page .pa95-auth-right {
    flex: 1 !important;
    min-width: 0 !important;
}
body.pa95-auth-page input[type='text'],
body.pa95-auth-page input[type='password'],
body.pa95-auth-page input[type='email'] {
    border-radius: 12px !important;
    border: 1px solid #e5e7eb !important;
    font-size: 14px !important;
    background: #fff !important;
    color: #111827 !important;
}
body.pa95-auth-page input:focus {
    border-color: #a855f7 !important;
    box-shadow: 0 0 0 4px rgba(168,85,247,.1) !important;
}
@media (max-width: 768px) {
    body.pa95-auth-page .pa95-auth-card {
        flex-direction: column !important;
    }
    body.pa95-auth-page .pa95-auth-left {
        width: 100% !important;
        min-height: 180px !important;
    }
    body.pa95-auth-page .pa95-auth-right {
        width: 100% !important;
    }
}