:root {
    --bg: #0a0a0a;
    --surface: #111;
    --surface-hover: #161616;
    --border: #222;
    --border-light: #333;
    --primary: #4a9eff;
    --primary-hover: #7ab8ff;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
    --text: #c8c8c8;
    --text-secondary: #888;
    --text-dim: #555;
    --white: #fff;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* ─── Auth Gate ─── */
.auth-gate {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    width: 380px;
    text-align: center;
}
.auth-card svg { margin-bottom: 1rem; }
.auth-card h1 { font-size: 1.5rem; color: var(--white); margin-bottom: 0.5rem; font-weight: 700; letter-spacing: -0.02em; }
.auth-card p { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 0.9rem; }
.auth-card input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    outline: none;
    transition: border-color 0.2s;
}
.auth-card input:focus { border-color: var(--primary); }
.auth-card input::placeholder { color: var(--text-dim); }
.auth-card button {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: #000;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.auth-card button:hover { background: var(--primary-hover); }

/* ─── Top Nav ─── */
.topnav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nav-brand span {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
}
.nav-links {
    display: flex;
    gap: 0.25rem;
}
.nav-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: all 0.15s;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--white); background: rgba(74,158,255,0.1); }
.nav-stats {
    font-size: 0.75rem;
    color: var(--text-dim);
    display: flex;
    gap: 1rem;
}

/* ─── Content ─── */
.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* ─── Page Header ─── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}
.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
}
.page-header .actions { display: flex; gap: 0.5rem; }

/* ─── Cards ─── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
}

/* ─── Stat Cards ─── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}
.stat-card .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}
.stat-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-top: 0.25rem;
}
.stat-card .sub { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.25rem; }
.stat-card.success .value { color: var(--success); }
.stat-card.warning .value { color: var(--warning); }
.stat-card.danger .value { color: var(--danger); }

/* ─── Tables ─── */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}
td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: middle;
    color: var(--text);
}
tr:hover td { background: var(--surface-hover); }
tr:last-child td { border-bottom: none; }

/* ─── Badges ─── */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-success { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-warning { background: rgba(234,179,8,0.15); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-neutral { background: rgba(255,255,255,0.06); color: var(--text-secondary); }

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #000; font-weight: 600; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #000; }
.btn-danger { background: var(--danger); color: #000; }
.btn-outline {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-outline:hover { border-color: var(--border-light); background: var(--surface-hover); color: var(--white); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }

/* ─── Forms ─── */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-dim); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ─── Search Bar ─── */
.search-bar {
    position: relative;
    max-width: 400px;
}
.search-bar input {
    width: 100%;
    padding: 0.6rem 0.8rem 0.6rem 2.2rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    outline: none;
}
.search-bar input:focus { border-color: var(--primary); }
.search-bar input::placeholder { color: var(--text-dim); }
.search-bar svg {
    position: absolute;
    left: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

/* ─── Charts ─── */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

/* ─── Toggle Switch ─── */
.toggle { position: relative; display: inline-block; width: 40px; height: 22px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .slider {
    position: absolute; cursor: pointer; inset: 0;
    background: var(--border-light); border-radius: 22px; transition: 0.2s;
}
.toggle .slider::before {
    content: ""; position: absolute;
    height: 16px; width: 16px; left: 3px; bottom: 3px;
    background: var(--bg); border-radius: 50%; transition: 0.2s;
}
.toggle input:checked + .slider { background: var(--success); }
.toggle input:checked + .slider::before { transform: translateX(18px); background: var(--bg); }

/* ─── Toast ─── */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.toast {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    color: #000;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    animation: slideIn 0.3s ease;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ─── Breadcrumb ─── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
}
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary-hover); }

/* ─── Links ─── */
.domain-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.domain-link:hover { color: var(--primary-hover); }

/* ─── Empty State ─── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-dim);
}
.empty-state h3 { color: var(--text); margin-bottom: 0.5rem; }

/* ─── Modal ─── */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex; align-items: center; justify-content: center;
    z-index: 100;
}
.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal h3 { margin-bottom: 1rem; color: var(--white); }
.modal-actions { display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 1.5rem; }

/* ─── Hit Count Bar ─── */
.hit-bar {
    display: flex; align-items: center; gap: 0.5rem;
}
.hit-bar-fill {
    height: 6px; border-radius: 3px; background: var(--primary);
    min-width: 2px; transition: width 0.3s;
}
.hit-bar-label { font-size: 0.8rem; color: var(--text-dim); white-space: nowrap; }

/* ─── Inline Rule Form ─── */
.rule-form {
    display: grid;
    grid-template-columns: 2fr 3fr 80px 80px auto;
    gap: 0.5rem;
    align-items: end;
    padding: 0.75rem 0;
    border-top: 1px solid var(--border);
}
.rule-form input, .rule-form select {
    padding: 0.5rem 0.6rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.85rem;
}

/* ─── Code / Monospace ─── */
code {
    font-family: 'SF Mono', SFMono-Regular, Consolas, monospace;
    font-size: 0.85em;
    background: rgba(74,158,255,0.08);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    color: var(--primary);
}

/* ─── Docs iframe ─── */
.docs-frame {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: #fafafa;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .topnav { flex-direction: column; gap: 0.75rem; padding: 1rem; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
    .content { padding: 1rem; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .rule-form { grid-template-columns: 1fr; }
}