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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-bg: rgba(99, 102, 241, 0.08);
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --bg: #f1f5f9;
    --bg-subtle: #f8fafc;
    --card-bg: #ffffff;
    --nav-bg: #0f172a;
    --nav-text: #cbd5e1;
    --text: #1e293b;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.04);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

.container { width: 960px; margin: 0 auto; padding: 0 24px; }

/* ─── Navbar ─── */
.navbar {
    background: var(--nav-bg);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
}
.logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo::before {
    content: "";
    display: inline-block;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 8px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-links a {
    color: var(--nav-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-xs);
    transition: all var(--transition);
}
.nav-links a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}
.nav-links a.btn {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--nav-text);
}
.nav-links a.btn:hover {
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}
.nav-links a.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.nav-links a.btn-primary:hover {
    background: var(--primary-dark);
}
.nav-links a.btn-outline {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    background: transparent;
}
.nav-links a.btn-outline:hover {
    border-color: rgba(239, 68, 68, 0.6);
    color: #f87171;
    background: rgba(239, 68, 68, 0.1);
}
.nav-user {
    color: var(--text-light);
    font-size: 0.8rem;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    color: var(--text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
    line-height: 1.5;
}
.btn:hover {
    background: var(--bg);
    border-color: #cbd5e1;
    box-shadow: var(--shadow-sm);
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 1px 2px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}
.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.btn-danger:hover {
    background: var(--danger-dark);
    border-color: var(--danger-dark);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}
.btn-sm {
    padding: 5px 12px;
    font-size: 0.8rem;
    border-radius: var(--radius-xs);
}
.actions {
    display: flex;
    align-items: center;
    gap: 6px;
}
.btn-icon-on {
    padding: 6px;
    line-height: 1;
    border-radius: var(--radius-xs);
    width: 28px;
    height: 28px;
    background: var(--success-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18.36 6.64A9 9 0 0 1 20.77 15M6.16 6.16a9 9 0 1 0 12.68 12.68'/%3E%3Cline x1='12' y1='2' x2='12' y2='12'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    font-size: 0;
    border-color: rgba(16, 185, 129, 0.3);
}
.btn-icon-on:hover {
    background: rgba(16, 185, 129, 0.2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18.36 6.64A9 9 0 0 1 20.77 15M6.16 6.16a9 9 0 1 0 12.68 12.68'/%3E%3Cline x1='12' y1='2' x2='12' y2='12'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: var(--shadow-sm);
}
.btn-icon-off {
    padding: 6px;
    line-height: 1;
    border-radius: var(--radius-xs);
    width: 28px;
    height: 28px;
    background: var(--warning-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d97706' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18.36 6.64A9 9 0 0 1 20.77 15M6.16 6.16a9 9 0 1 0 12.68 12.68'/%3E%3Cline x1='12' y1='2' x2='12' y2='12'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    font-size: 0;
    border-color: rgba(245, 158, 11, 0.3);
}
.btn-icon-off:hover {
    background: rgba(245, 158, 11, 0.2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d97706' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18.36 6.64A9 9 0 0 1 20.77 15M6.16 6.16a9 9 0 1 0 12.68 12.68'/%3E%3Cline x1='12' y1='2' x2='12' y2='12'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    border-color: rgba(245, 158, 11, 0.5);
    box-shadow: var(--shadow-sm);
}
.btn-icon-shield-on {
    padding: 6px;
    line-height: 1;
    border-radius: var(--radius-xs);
    width: 28px;
    height: 28px;
    background: var(--primary-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    font-size: 0;
    border-color: rgba(99, 102, 241, 0.3);
}
.btn-icon-shield-on:hover {
    background: rgba(99, 102, 241, 0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: var(--shadow-sm);
}
.btn-icon-shield-off {
    padding: 6px;
    line-height: 1;
    border-radius: var(--radius-xs);
    width: 28px;
    height: 28px;
    background: var(--card-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    font-size: 0;
}
.btn-icon-shield-off:hover {
    background: var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    border-color: #cbd5e1;
    box-shadow: var(--shadow-sm);
}
.btn-icon-list {
    padding: 6px;
    line-height: 1;
    border-radius: var(--radius-xs);
    width: 28px;
    height: 28px;
    background: var(--card-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='8' y1='6' x2='21' y2='6'/%3E%3Cline x1='8' y1='12' x2='21' y2='12'/%3E%3Cline x1='8' y1='18' x2='21' y2='18'/%3E%3Cline x1='3' y1='6' x2='3.01' y2='6'/%3E%3Cline x1='3' y1='12' x2='3.01' y2='12'/%3E%3Cline x1='3' y1='18' x2='3.01' y2='18'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    font-size: 0;
}
.btn-icon-list:hover {
    background: var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e293b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='8' y1='6' x2='21' y2='6'/%3E%3Cline x1='8' y1='12' x2='21' y2='12'/%3E%3Cline x1='8' y1='18' x2='21' y2='18'/%3E%3Cline x1='3' y1='6' x2='3.01' y2='6'/%3E%3Cline x1='3' y1='12' x2='3.01' y2='12'/%3E%3Cline x1='3' y1='18' x2='3.01' y2='18'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    border-color: #cbd5e1;
    box-shadow: var(--shadow-sm);
}
.btn-icon-edit {
    padding: 6px;
    line-height: 1;
    border-radius: var(--radius-xs);
    width: 28px;
    height: 28px;
    background: var(--primary-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7'/%3E%3Cpath d='M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    font-size: 0;
    border-color: rgba(99, 102, 241, 0.3);
}
.btn-icon-edit:hover {
    background: rgba(99, 102, 241, 0.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f46e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7'/%3E%3Cpath d='M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: var(--shadow-sm);
}
.btn-icon-ddns {
    padding: 6px;
    line-height: 1;
    border-radius: var(--radius-xs);
    width: 28px;
    height: 28px;
    background: var(--success-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='23 4 23 10 17 10'/%3E%3Cpolyline points='1 20 1 14 7 14'/%3E%3Cpath d='M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    font-size: 0;
    border-color: rgba(16, 185, 129, 0.3);
}
.btn-icon-ddns:hover {
    background: rgba(16, 185, 129, 0.2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='23 4 23 10 17 10'/%3E%3Cpolyline points='1 20 1 14 7 14'/%3E%3Cpath d='M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: var(--shadow-sm);
}
.btn-icon-delete {
    padding: 6px;
    line-height: 1;
    border-radius: var(--radius-xs);
    width: 28px;
    height: 28px;
    background: var(--danger) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='3 6 5 6 21 6'/%3E%3Cpath d='M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6'/%3E%3Cpath d='M10 11v6'/%3E%3Cpath d='M14 11v6'/%3E%3Cpath d='M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    font-size: 0;
}
.btn-icon-delete:hover {
    background: var(--danger-dark) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='3 6 5 6 21 6'/%3E%3Cpath d='M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6'/%3E%3Cpath d='M10 11v6'/%3E%3Cpath d='M14 11v6'/%3E%3Cpath d='M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2'/%3E%3C/svg%3E") no-repeat center / 16px 16px;
    border-color: var(--danger-dark);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}
.btn-lg {
    padding: 14px 36px;
    font-size: 1.05rem;
    border-radius: var(--radius);
    font-weight: 600;
}

/* ─── Hero ─── */
.hero {
    text-align: center;
    padding: 80px 0 60px;
}
.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, var(--primary), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}
.hero-sub {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 56px;
    font-weight: 400;
}
.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
    text-align: left;
}
.feature {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.feature::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    opacity: 0;
    transition: opacity var(--transition);
}
.feature:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.feature:hover::before { opacity: 1; }
.feature h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}
.feature p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ─── Forms ─── */
.form-page {
    max-width: 440px;
    margin: 60px auto;
}
.form-page h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.form {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.875rem;
    color: var(--text);
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--bg-subtle);
    transition: all var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg);
    background: #fff;
}
.form-group input::placeholder { color: var(--text-light); }
.form-group small { color: var(--text-light); font-size: 0.8rem; margin-top: 4px; display: block; }
.form-links { text-align: center; margin-top: 20px; font-size: 0.9rem; color: var(--text-secondary); }
.form-links a { color: var(--primary); font-weight: 500; text-decoration: none; }
.form-links a:hover { text-decoration: underline; }
.form-inline { display: flex; gap: 10px; align-items: end; margin-bottom: 24px; }
.form-inline .form-group { margin-bottom: 0; flex: 1; }
.form-actions { display: flex; gap: 10px; margin-top: 4px; }

/* ─── Tables ─── */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.875rem;
}
.table th {
    background: var(--bg-subtle);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}
.table td {
    border-bottom: 1px solid var(--border-light);
}
.table tr:last-child td { border-bottom: none; }
.col-actions { width: 1%; white-space: nowrap; }
.table tbody tr {
    transition: background var(--transition);
}
.table tbody tr:hover {
    background: var(--bg-subtle);
}
.content-cell {
    max-width: 280px;
    word-break: break-all;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* ─── Badges ─── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2px;
}
.badge-ok {
    background: var(--success-bg);
    color: #059669;
}
.badge-warn {
    background: var(--warning-bg);
    color: #d97706;
}

/* ─── Alerts ─── */
.alert {
    background: var(--primary-bg);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--primary-dark);
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.5;
    white-space: pre-line;
}

/* ─── Info box ─── */
.info-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
}
.info-box h3 {
    margin-bottom: 10px;
    font-size: 0.95rem;
    font-weight: 700;
}
.info-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}
.info-box pre {
    background: var(--nav-bg);
    color: #e2e8f0;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-size: 0.82rem;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
}
.info-box code {
    background: var(--primary-bg);
    color: var(--primary-dark);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85rem;
}
.info-box ul {
    margin: 8px 0;
    padding-left: 0;
    list-style: none;
}
.info-box ul li {
    padding: 4px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
}
.info-box ul li::before {
    content: "\2022";
    color: var(--primary);
    font-weight: 700;
    margin-right: 8px;
}

/* ─── Page header ─── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 36px 0 24px;
}
.page-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.page-actions { margin-top: 28px; }

/* ─── Empty state ─── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}
.empty-state p {
    font-size: 1rem;
    margin-bottom: 4px;
}
.empty-state .btn { margin-top: 16px; }

/* ─── Admin stats grid ─── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 36px;
}
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}
.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.stat-value {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: 4px;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

/* ─── Pagination ─── */
.pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 24px;
    align-items: center;
}
.pagination-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}
.pagination .btn-sm {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ─── Error page ─── */
.error-page {
    text-align: center;
    padding: 80px 20px;
}
.error-code {
    font-size: 6rem;
    font-weight: 800;
    letter-spacing: -3px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
}
.error-message {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ─── Footer ─── */
.footer {
    margin-top: auto;
    padding: 28px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-light);
    font-size: 0.82rem;
    background: var(--bg-subtle);
}

main { padding-bottom: 40px; flex: 1; }

/* ─── Code elements ─── */
code {
    background: var(--primary-bg);
    color: var(--primary-dark);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
}

/* ─── API Docs ─── */
.api-docs { margin-bottom: 40px; }
.api-section {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}
.api-section h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}
.api-section p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 12px;
}
.api-section p a {
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
}
.api-section p a:hover { text-decoration: underline; }
.api-section > pre {
    background: var(--nav-bg);
    color: #e2e8f0;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-size: 0.82rem;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    margin-bottom: 12px;
    line-height: 1.6;
}
.api-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin: 16px 0;
}
.api-method-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    background: var(--bg-subtle);
}
.api-method-card h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}
.api-method-card pre {
    background: var(--nav-bg);
    color: #e2e8f0;
    padding: 12px 14px;
    border-radius: var(--radius-xs);
    font-size: 0.8rem;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    overflow-x: auto;
    line-height: 1.5;
    margin: 0;
}
.api-endpoint {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin: 16px 0;
    background: var(--bg-subtle);
    transition: border-color var(--transition);
}
.api-endpoint:hover { border-color: var(--border); }
.api-endpoint-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.api-endpoint-header code {
    font-size: 0.9rem;
    font-weight: 600;
    background: none;
    padding: 0;
    color: var(--text);
}
.api-endpoint p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 8px;
}
.api-endpoint pre {
    background: var(--nav-bg);
    color: #e2e8f0;
    padding: 12px 16px;
    border-radius: var(--radius-xs);
    font-size: 0.8rem;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    overflow-x: auto;
    margin-bottom: 8px;
    line-height: 1.5;
}
.api-desc {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-left: auto;
}
.api-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}
.api-get { background: rgba(16, 185, 129, 0.12); color: #059669; }
.api-post { background: rgba(99, 102, 241, 0.12); color: #4f46e5; }
.api-put { background: rgba(245, 158, 11, 0.12); color: #d97706; }
.api-delete { background: rgba(239, 68, 68, 0.12); color: #dc2626; }
.api-endpoint details {
    margin-top: 8px;
}
.api-endpoint details summary {
    cursor: pointer;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 4px 0;
    user-select: none;
}
.api-endpoint details summary:hover { text-decoration: underline; }
.api-endpoint details[open] summary { margin-bottom: 8px; }
.api-endpoint .api-params { margin-top: 4px; }
.api-endpoint .api-params .table {
    font-size: 0.82rem;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .navbar .container { height: 50px; }
    .nav-links { gap: 2px; }
    .nav-links a { padding: 4px 8px; font-size: 0.8rem; }
    .nav-user { display: none; }
    .hero h1 { font-size: 2.2rem; }
    .hero-sub { font-size: 1rem; margin-bottom: 36px; }
    .hero { padding: 48px 0 36px; }
    .hero-features { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; gap: 12px; align-items: flex-start; }
    .table { font-size: 0.8rem; }
    .table th, .table td { padding: 8px 10px; }
    .stats-grid { grid-template-columns: 1fr; }
    .form-inline { flex-direction: column; }
    .form-page { margin: 32px auto; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.8rem; }
    .btn-lg { padding: 12px 24px; font-size: 1rem; }
    .logo { font-size: 1.1rem; }
}