/* ==========================================
   AI API Relay - 用户控制台亮色日间主题
   ========================================== */

/* ---------- Design Tokens ---------- */
:root {
    --bg: #f8fafc;
    --bg-elevated: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    --accent: #0ea5e9;
    --accent-hover: #0284c7;
    --accent-glow: rgba(14, 165, 233, 0.25);
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.08);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.08);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.08);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.08);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

code {
    font-family: var(--font-mono);
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    color: var(--accent-hover);
    border: 1px solid var(--border);
}

small, .text-muted { color: var(--text-muted); font-size: 0.85em; }

/* ---------- Layout ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

main { flex: 1; padding: 5.5rem 0 3rem; }

/* ---------- Navbar ---------- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent), #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.navbar-nav {
    display: flex;
    gap: 1.75rem;
}

.navbar-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.navbar-nav a:hover { color: var(--text); }

.navbar-nav a.active { color: var(--accent); }

.menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    cursor: pointer;
}

/* ---------- Alerts ---------- */
.alert {
    padding: 0.875rem 1.125rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    border: 1px solid transparent;
    background: var(--bg-card);
}

.alert-error { color: #991b1b; border-color: rgba(239,68,68,0.2); background: var(--danger-bg); }
.alert-success { color: #065f46; border-color: rgba(16,185,129,0.2); background: var(--success-bg); }
.alert-warning { color: #92400e; border-color: rgba(245,158,11,0.2); background: var(--warning-bg); }
.alert-info { color: #1e40af; border-color: rgba(59,130,246,0.2); background: var(--info-bg); }

.alert-warning code {
    background: rgba(255,255,255,0.6);
    border: 1px dashed rgba(0,0,0,0.1);
    cursor: pointer;
    color: var(--warning);
}

.alert-warning code:hover { background: rgba(255,255,255,0.9); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.55rem 1.125rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.5;
    transition: all 0.2s;
    white-space: nowrap;
    user-select: none;
    font-family: inherit;
}

.btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: rgba(239,68,68,0.2);
}

.btn-danger:hover {
    background: rgba(239,68,68,0.12);
    border-color: rgba(239,68,68,0.35);
}

.btn-success {
    background: var(--success-bg);
    color: #047857;
    border-color: rgba(16,185,129,0.2);
}

.btn-success:hover {
    background: rgba(16,185,129,0.12);
    border-color: rgba(16,185,129,0.35);
}

.btn-warning {
    background: var(--warning-bg);
    color: #b45309;
    border-color: rgba(245,158,11,0.2);
}

.btn-warning:hover {
    background: rgba(245,158,11,0.12);
    border-color: rgba(245,158,11,0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text);
    background: var(--bg-hover);
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; border-radius: 6px; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-block { display: flex; width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-copy {
    margin-left: 0.5rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}
.btn-copy:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-copy.copied {
    background: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}

.key-value {
    word-break: break-all;
    font-size: 0.85rem;
}

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1rem; }

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--bg-elevated);
    transition: all 0.2s;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
}

.form-group textarea { resize: vertical; min-height: 80px; }

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.6rem center;
    background-repeat: no-repeat;
    background-size: 1.1rem;
    padding-right: 2.25rem;
}

.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; }

.form-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
    font-size: 0.875rem;
}

.form-links a { color: var(--accent); font-weight: 500; }
.form-links a:hover { color: var(--accent-hover); text-decoration: underline; }

.inline-form { display: flex; gap: 0.75rem; align-items: flex-end; }
.inline-form .form-group { margin-bottom: 0; }

.search-form { display: flex; gap: 0.75rem; margin-bottom: 1.25rem; }
.search-form input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background: var(--bg-elevated);
    color: var(--text);
    transition: all 0.2s;
}

.search-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.12);
}

/* ---------- Auth Pages ---------- */
.auth-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    min-height: calc(100vh - 64px);
    background:
        radial-gradient(ellipse at 50% 0%, rgba(14,165,233,0.08) 0%, transparent 55%),
        var(--bg);
}

.auth-container {
    width: 100%;
    max-width: 440px;
    background: var(--bg-card);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-header { text-align: center; margin-bottom: 1.75rem; }

.auth-header .auth-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent), #6366f1);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    color: #fff;
    box-shadow: 0 0 20px var(--accent-glow);
}

.auth-header h2 { font-size: 1.35rem; margin-bottom: 0.25rem; color: var(--text); }
.auth-header p { color: var(--text-secondary); font-size: 0.9rem; }

/* ---------- Cards ---------- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--border);
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.card-header h3 { margin: 0; font-size: 1rem; color: var(--text); }

/* ---------- Stats Grid ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border);
    transition: border-color 0.2s, transform 0.2s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), rgba(14,165,233,0.2));
}

.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }

.stat-card-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
}

/* ---------- Link Cards ---------- */
.link-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.link-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text);
    border: 1px solid var(--border);
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

.link-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s;
}

.link-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow); }
.link-card:hover::after { transform: scaleX(1); }

.link-card-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(14,165,233,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--accent);
}

.link-card h4 { color: var(--text); font-size: 0.95rem; margin: 0; }
.link-card p { color: var(--text-secondary); font-size: 0.85rem; margin: 0; }

/* ---------- Tables ---------- */
.table-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }

.table thead { background: #f8fafc; }

.table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1.5px solid var(--border);
    white-space: nowrap;
}

.table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
}

.table tbody tr { transition: background 0.2s; }
.table tbody tr:hover { background: #f8fafc; }
.table tbody tr:last-child td { border-bottom: none; }
.table code { font-size: 0.8rem; background: #f1f5f9; }

.table-actions { display: flex; gap: 0.375rem; }

.log-status {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex: 0 0 8px;
}

.status-dot-success { background: #10b981; }
.status-dot-error { background: #ef4444; }

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

.badge-success { background: var(--success-bg); color: #047857; }
.badge-danger { background: var(--danger-bg); color: #b91c1c; }
.badge-info { background: var(--info-bg); color: #1d4ed8; }
.badge-warning { background: var(--warning-bg); color: #b45309; }
.badge-neutral { background: #f1f5f9; color: var(--text-secondary); border: 1px solid var(--border); }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    gap: 0.375rem;
    justify-content: center;
    margin: 1.5rem 0 0.5rem;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.page-link:hover:not(.active) {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    color: var(--text);
}

.page-link.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.page-link.disabled { opacity: 0.4; pointer-events: none; }

/* ---------- Info Box ---------- */
.info-box {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
    margin-top: 1.25rem;
}

.info-box h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1rem;
    color: var(--text);
}

.info-box ol { padding-left: 1.25rem; }
.info-box li { margin-bottom: 0.5rem; font-size: 0.9rem; color: var(--text-secondary); }
.info-box code { font-size: 0.85rem; word-break: break-all; }

/* ---------- Page Header ---------- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

main > h2:first-child,
main > h3:first-child { margin-top: 2rem; }

.page-header h1,
.page-header h2 { margin: 0; font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; color: var(--text); }

.page-header-with-subtitle { margin-bottom: 2rem; }
.page-header-with-subtitle p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.empty-state-icon { font-size: 2.5rem; margin-bottom: 0.75rem; opacity: 0.5; }
.empty-state p { margin-bottom: 1rem; }

/* ---------- Footer ---------- */
.footer {
    background: var(--bg-elevated);
    color: var(--text-muted);
    text-align: center;
    padding: 1.25rem 0;
    margin-top: auto;
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.flex-wrap { flex-wrap: wrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Typography ---------- */
h1, h2, h3 { color: var(--text); font-weight: 700; line-height: 1.3; }
h2 { font-size: 1.35rem; margin-bottom: 1.25rem; }
h3 { font-size: 1.1rem; margin: 1.25rem 0 0.75rem; color: var(--text-secondary); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    html { font-size: 15px; }
    .container { padding: 0 1rem; }
    main { padding: 1.5rem 0; }

    .menu-toggle { display: flex; }
    .navbar-right {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem 1.5rem;
        gap: 1.5rem;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        border-top: 1px solid var(--border);
    }
    .navbar-right.open { transform: translateX(0); }
    .navbar-nav { flex-direction: column; gap: 1.25rem; width: 100%; }
    .navbar-nav a { font-size: 1.1rem; }

    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-card-value { font-size: 1.35rem; }
    .link-cards { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; gap: 0; }
    .inline-form { flex-direction: column; align-items: stretch; }
    .inline-form .btn { align-self: flex-start; }
    .search-form { flex-direction: column; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .table { font-size: 0.8rem; }
    .table th, .table td { padding: 0.5rem 0.625rem; }
    .auth-container { padding: 2rem 1.25rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .navbar-brand { font-size: 1rem; }
}

/* ---------- Captcha（用户控制台/登录注册页专用） ---------- */
/* Grid 2 列：左列输入框占满，右列放「验证码图片 + 提示」，保证图片始终贴在输入框右边 */
.captcha-container {
    display: grid !important;
    grid-template-columns: minmax(140px, 1fr) auto;
    grid-template-rows: auto auto;
    grid-template-areas:
        "input   media"
        "input   media";
    column-gap: 0.75rem;
    align-items: start;
    width: 100%;
}

.form-group .captcha-container input[type="text"],
.form-group .captcha-container input#captcha {
    grid-area: input;
    width: 100% !important;
    max-width: 100%;
    height: 48px;
    line-height: 48px;
    padding: 0 0.875rem;
    box-sizing: border-box;
    align-self: start;
    min-width: 0;
}

.captcha-media {
    grid-area: media;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.375rem;
    width: fit-content;
    justify-self: end;
}

.verification-code-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: stretch;
}

.verification-code-row input {
    min-width: 0;
}

.verification-code-row .send-code-btn {
    min-width: 112px;
    white-space: nowrap;
}

.captcha-media img {
    display: block;
    width: 160px;
    height: 48px;
    box-sizing: content-box;       /* 边框画在外部，避免压缩 160×48 内容导致重采样模糊 */
    object-fit: none;              /* 1:1 像素点对应，后端原生输出 160×48 绝不缩放 */
    object-position: 0 0;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border);
    background-color: var(--bg-elevated);
    cursor: pointer;
    user-select: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.captcha-media img:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.captcha-hint {
    margin: 0;
    padding: 0 1px 0 0;
    white-space: nowrap;
    line-height: 1.2;
}

@media (max-width: 480px) {
    .captcha-container {
        grid-template-columns: 1fr;
        grid-template-areas:
            "input"
            "media";
        row-gap: 0.5rem;
    }
    .captcha-media {
        align-items: flex-start;
        justify-self: start;
    }
    .captcha-media img {
        width: 100%;
        max-width: 280px;
        height: 52px;
    }
}

/* ---------- Floatai-inspired polish ---------- */
:root {
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.18);
    --text: #111827;
    --text-secondary: #526071;
    --text-muted: #8995a5;
    --bg: #f7f9fc;
    --border: #e6eaf0;
    --shadow: 0 12px 32px rgba(31, 48, 76, 0.07);
}

body { background: linear-gradient(180deg, #ffffff 0, #f7f9fc 260px, #f7f9fc 100%); }
.container { max-width: 1180px; }
main { padding-top: 5.5rem; }
.navbar { background: rgba(255, 255, 255, 0.94); border-bottom-color: #edf0f5; box-shadow: 0 1px 12px rgba(31, 48, 76, 0.04); }
.navbar-brand {
    background: linear-gradient(135deg, #7c3aed, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    gap: 0.65rem;
}
.navbar-nav { gap: 1.5rem; }
.navbar-nav a { color: #667085; padding: 0.35rem 0; border-radius: 0; }
.navbar-nav a:hover, .navbar-nav a.active { color: var(--accent); background: transparent; }
.btn { border-radius: 8px; }
.btn-primary { background: linear-gradient(135deg, #2563eb, #4f46e5); border-color: #2563eb; }
.btn-primary:hover { background: linear-gradient(135deg, #1d4ed8, #4338ca); box-shadow: 0 8px 20px var(--accent-glow); }
.page-header { margin: 2rem 0; }
.page-header h1, .page-header h2 { font-size: 1.65rem; letter-spacing: -0.02em; }
.page-header::after { content: '控制台 · 服务运行正常'; display: inline-flex; align-items: center; padding: 0.35rem 0.7rem; border: 1px solid #bbf7d0; border-radius: 999px; color: #15803d; background: #f0fdf4; font-size: 0.75rem; font-weight: 600; }
.card, .stat-card, .link-card, .table-wrapper, .info-box { border-color: #e8edf3; box-shadow: var(--shadow); }
.card:hover, .stat-card:hover, .link-card:hover { box-shadow: 0 16px 36px rgba(31, 48, 76, 0.1); }
.stat-card { padding: 1.35rem 1.5rem; }
.stat-card::before { background: linear-gradient(90deg, #2563eb, #8b5cf6); height: 3px; }
.stat-card-label { letter-spacing: 0; text-transform: none; color: #8490a0; }
.stat-card-value { color: #101828; }
.link-card::after { background: linear-gradient(90deg, #2563eb, #8b5cf6); }
.link-card-icon { background: #eff4ff; color: #2563eb; }
.table thead { background: #fbfcfe; }
.table th { color: #8490a0; text-transform: none; letter-spacing: 0; }
.footer { background: #fff; }
@media (max-width: 768px) { main { padding-top: 4.5rem !important; } .page-header::after { align-self: flex-start; } }