:root {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface-2: #222636;
    --border: #2a2d3e;
    --text: #e8eaf0;
    --text-muted: #6b7280;
    --text-dim: #9ca3af;
    --accent: #4f6ef7;
    --accent-hover: #3d5ce8;
    --accent-muted: rgba(79, 110, 247, 0.12);
    --green: #22c55e;
    --green-muted: rgba(34, 197, 94, 0.12);
    --red: #ef4444;
    --red-muted: rgba(239, 68, 68, 0.12);
    --yellow: #eab308;
    --yellow-muted: rgba(234, 179, 8, 0.12);
    --radius: 10px;
    --radius-sm: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body {
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

/* ── Layout ─────────────────────────────────────────────────── */
.page-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 24px;
}
.page-wrap-sm {
    max-width: 480px;
    margin: 0 auto;
    padding: 60px 24px;
}

/* ── Top nav ─────────────────────────────────────────────────── */
.topnav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-logo {
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.5px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.nav-links { display: flex; gap: 4px; }
.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: background 0.15s, color 0.15s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-link:hover, .nav-link.active {
    background: var(--surface);
    color: var(--text);
}

/* ── Card / Surface ──────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.card + .card { margin-top: 16px; }
.card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-title svg { flex-shrink: 0; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, opacity 0.15s;
    white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-secondary {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--border); }
.btn-success {
    background: var(--green);
    color: #000;
    border-color: var(--green);
}
.btn-full { width: 100%; justify-content: center; }

/* ── Forms ───────────────────────────────────────────────────── */
.field { margin-bottom: 16px; }
.label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.input, .textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.15s;
}
.input:focus, .textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.textarea { height: 120px; resize: vertical; font-family: monospace; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}
.badge-pass  { background: var(--green-muted);  color: var(--green);  border: 1px solid rgba(34,197,94,0.25); }
.badge-fail  { background: var(--red-muted);    color: var(--red);    border: 1px solid rgba(239,68,68,0.25); }
.badge-pend  { background: var(--yellow-muted); color: var(--yellow); border: 1px solid rgba(234,179,8,0.25); }
.badge-blue  { background: var(--accent-muted); color: var(--accent); border: 1px solid rgba(79,110,247,0.25); }

/* ── Tabs ────────────────────────────────────────────────────── */
.tab-bar {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}
.tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 10px 16px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: -1px;
    transition: color 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }

/* ── Table ───────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    text-align: left;
    padding: 8px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 12px 12px;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--surface-2); }

/* ── Agent card ──────────────────────────────────────────────── */
.agent-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
}
.agent-row:last-child { border-bottom: none; }
.agent-row:hover { background: var(--surface-2); }
.agent-info { flex: 1; }
.agent-name { font-weight: 600; font-size: 0.95rem; }
.agent-addr { font-family: monospace; font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.agent-spec { font-size: 0.8rem; color: var(--text-dim); margin-top: 4px; }
.agent-stats { display: flex; gap: 20px; }
.stat-item { text-align: center; }
.stat-val { font-weight: 700; font-size: 0.95rem; }
.stat-lbl { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; }

/* ── Feed ────────────────────────────────────────────────────── */
.feed-item {
    display: flex;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.82rem;
    align-items: flex-start;
}
.feed-item:last-child { border-bottom: none; }
.feed-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--green);
    margin-top: 4px;
    flex-shrink: 0;
}
.feed-time { color: var(--text-muted); font-family: monospace; flex-shrink: 0; width: 62px; }
.feed-msg { color: var(--text-dim); }

/* ── Misc ────────────────────────────────────────────────────── */
.mono { font-family: monospace; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.row { display: flex; gap: 16px; }
.row .col { flex: 1; }
.divider { height: 1px; background: var(--border); margin: 20px 0; }
.score-big { font-size: 2.5rem; font-weight: 800; }
.score-pass { color: var(--green); }
.score-fail { color: var(--red); }
.score-uma  { color: var(--yellow); }
.cid-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-family: monospace;
    font-size: 0.78rem;
    color: var(--green);
    word-break: break-all;
    margin-top: 10px;
}
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.section-header h2 { font-size: 1rem; font-weight: 600; }