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

:root {
    --bg: #0F1115;
    --surface: #171A21;
    --surface-hover: #1D212A;
    --border: #262B35;
    --text: #E8EAED;
    --text-muted: #8A909C;
    --text-faint: #565C68;

    --accent: #4C7CF0;
    --accent-dim: #2E3E63;

    --ok: #5FBF8F;
    --ok-dim: #23372D;
    --warn: #E8A93D;
    --warn-dim: #3A2F17;
    --danger: #E0554F;
    --danger-dim: #3A2321;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.5;
}

a { color: inherit; }

/* ---------- Auth page ---------- */

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
}

.auth-mark {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 18px;
}

.auth-card h1 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin: 0 0 20px;
}

.auth-form { display: flex; flex-direction: column; gap: 6px; }
.auth-form label { font-size: 0.85rem; color: var(--text-muted); margin-top: 10px; }
.auth-form input {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: var(--font-body);
}
.auth-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
.auth-form button { margin-top: 18px; }

/* ---------- Buttons ---------- */

button, .btn {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease;
}
button:hover, .btn:hover { background: #3D68DB; }
button:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-secondary:hover { background: var(--surface-hover); }

.btn-small { padding: 6px 12px; font-size: 0.8rem; }

/* ---------- Alerts ---------- */

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.88rem;
    margin: 0 0 14px;
}
.alert-danger { background: var(--danger-dim); color: #F1918C; border: 1px solid #5A2E2B; }
.alert-success { background: var(--ok-dim); color: #9BDBB7; border: 1px solid #2F4C3C; }
.alert-warn { background: var(--warn-dim); color: #F0C480; border: 1px solid #5A4A24; }

/* ---------- Layout ---------- */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    border-bottom: 1px solid var(--border);
}

.topbar-mark {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent);
    font-size: 1.05rem;
}

.topbar-nav { display: flex; align-items: center; gap: 18px; font-size: 0.88rem; color: var(--text-muted); }
.topbar-nav a { text-decoration: none; }
.topbar-nav a:hover { color: var(--text); }

.page {
    max-width: 1080px;
    margin: 0 auto;
    padding: 32px;
}

.page-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 0;
}

.page-header p { color: var(--text-muted); margin: 4px 0 0; font-size: 0.9rem; }

/* ---------- Fleet summary ---------- */

.fleet-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 28px;
}

.fleet-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
}

.fleet-stat .value {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 500;
    display: block;
}

.fleet-stat .label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.fleet-stat.stat-ok .value { color: var(--ok); }
.fleet-stat.stat-warn .value { color: var(--warn); }
.fleet-stat.stat-danger .value { color: var(--danger); }

/* ---------- Status beacon ---------- */

.beacon {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
}
.beacon-ok { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-dim); }
.beacon-updates_available { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-dim); animation: pulse 2.4s ease-in-out infinite; }
.beacon-error, .beacon-unreachable { background: var(--danger); box-shadow: 0 0 0 3px var(--danger-dim); animation: pulse 1.6s ease-in-out infinite; }
.beacon-unknown { background: var(--text-faint); box-shadow: 0 0 0 3px #21252E; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
}

@media (prefers-reduced-motion: reduce) {
    .beacon-updates_available, .beacon-error, .beacon-unreachable { animation: none; }
}

/* ---------- Site table ---------- */

.site-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.site-table th {
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.site-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.site-table tr:last-child td { border-bottom: none; }
.site-table tr.site-row:hover { background: var(--surface-hover); cursor: pointer; }

.site-name { font-weight: 600; }
.site-url { color: var(--text-muted); font-size: 0.82rem; font-family: var(--font-mono); }

.status-label { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; }

.update-count {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}
.update-count.has-updates { color: var(--warn); }

.timestamp { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state h2 { font-family: var(--font-display); color: var(--text); font-size: 1.1rem; }

/* ---------- Site detail ---------- */

.detail-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 28px;
    font-size: 0.85rem;
}
.detail-meta .meta-item { color: var(--text-muted); }
.detail-meta .meta-item strong { display: block; color: var(--text); font-family: var(--font-mono); font-size: 0.95rem; margin-top: 2px; }

.section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 20px;
    overflow: hidden;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin: 0;
}

.item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}
.item-row:last-child { border-bottom: none; }

.item-name { font-size: 0.9rem; }
.item-version { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); }
.item-version .arrow { color: var(--warn); margin: 0 4px; }

.item-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.tag {
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 999px;
    font-weight: 600;
}
.tag-ok { background: var(--ok-dim); color: var(--ok); }
.tag-warn { background: var(--warn-dim); color: var(--warn); }

.form-inline {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.form-inline input {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: var(--font-body);
}
.form-inline label { font-size: 0.85rem; color: var(--text-muted); }