:root {
    color-scheme: light dark;
    --bg: #0f1115;
    --panel: #171a21;
    --border: #2a2f3a;
    --text: #e5e7eb;
    --muted: #8b93a1;
    --up: #22c55e;
    --down: #ef4444;
    --unknown: #8b93a1;
    --paused: #f59e0b;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f5f6f8;
        --panel: #ffffff;
        --border: #e2e5ea;
        --text: #1a1d23;
        --muted: #6b7280;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 1.1rem; margin: 0; }

.topbar nav a {
    color: var(--muted);
    text-decoration: none;
    margin-left: 1rem;
    font-size: 0.9rem;
}

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

.page {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Status banner */
.status-banner {
    margin: 1.5rem 0;
    padding: 1.1rem 1.4rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.15rem;
    font-weight: 600;
}

.status-banner-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 50%;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.status-banner-operational { background: color-mix(in srgb, var(--up) 12%, transparent); color: var(--up); }
.status-banner-operational .status-banner-icon { background: var(--up); color: #fff; }

.status-banner-outage { background: color-mix(in srgb, var(--down) 12%, transparent); color: var(--down); }
.status-banner-outage .status-banner-icon { background: var(--down); color: #fff; }

.status-banner-pending { background: color-mix(in srgb, var(--unknown) 14%, transparent); color: var(--unknown); }
.status-banner-pending .status-banner-icon { background: var(--unknown); color: #fff; }

.status-banner-empty { background: var(--panel); color: var(--muted); border: 1px solid var(--border); }
.status-banner-empty .status-banner-icon { background: var(--muted); color: var(--panel); }

/* Host list (status page) */
.host-list {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.host-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.host-row:last-child { border-bottom: none; }

.host-row-main {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot-up { background: var(--up); }
.status-dot-down { background: var(--down); box-shadow: 0 0 0 4px color-mix(in srgb, var(--down) 18%, transparent); }
.status-dot-unknown { background: var(--unknown); }
.status-dot-paused { background: var(--paused); }

.host-name { font-weight: 500; }

.host-row-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.host-lastseen { color: var(--muted); font-size: 0.85rem; }

.host-status-label { font-weight: 600; font-size: 0.9rem; }
.host-status-label-up { color: var(--up); }
.host-status-label-down { color: var(--down); }
.host-status-label-unknown { color: var(--unknown); }
.host-status-label-paused { color: var(--paused); }

.empty-state {
    padding: 2rem;
    text-align: center;
    color: var(--muted);
}

/* Recent activity */
.incidents { margin: 1.5rem 0; }

.incidents h2 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin: 0 0 0.75rem;
}

.incident-list {
    list-style: none;
    margin: 0;
    padding: 0;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.incident-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
}

.incident-item:last-child { border-bottom: none; }

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

.incident-down .incident-dot { background: var(--down); }
.incident-up .incident-dot { background: var(--up); }

.incident-text { flex: 1; color: var(--text); }
.incident-time { color: var(--muted); font-size: 0.8rem; }

table.hosts {
    width: 100%;
    border-collapse: collapse;
    margin: 0 1.5rem 1.5rem;
    width: calc(100% - 3rem);
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

table.hosts th, table.hosts td {
    text-align: left;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

table.hosts th {
    color: var(--muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

table.hosts tr:last-child td { border-bottom: none; }

.badge {
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-up { background: color-mix(in srgb, var(--up) 18%, transparent); color: var(--up); }
.badge-down { background: color-mix(in srgb, var(--down) 18%, transparent); color: var(--down); }
.badge-unknown { background: color-mix(in srgb, var(--unknown) 18%, transparent); color: var(--unknown); }
.badge-paused { background: color-mix(in srgb, var(--paused) 18%, transparent); color: var(--paused); }

.row-down { background: color-mix(in srgb, var(--down) 6%, transparent); }

/* Admin page */
.add-host {
    display: flex;
    gap: 0.5rem;
    padding: 0 1.5rem 1rem;
}

.add-host input[type="text"] { flex: 1; }

.add-host input, .add-host button,
.inline-form input, .inline-form button,
.login-box input, .login-box button {
    padding: 0.45rem 0.7rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    font-size: 0.9rem;
}

.add-host button, .inline-form button, .login-box button {
    background: #3b82f6;
    color: #fff;
    border-color: transparent;
    cursor: pointer;
}

.inline-form button.danger { background: var(--down); }

.inline-form { display: inline-block; margin-right: 0.3rem; }

.threshold-input { width: 4.5rem; }

.install-cmd {
    font-size: 0.75rem;
    color: var(--muted);
    word-break: break-all;
}

.actions form { margin-bottom: 0.2rem; }

/* Login */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.login-box {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 260px;
    padding: 2rem;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.login-box h1 { margin: 0 0 0.5rem; font-size: 1.2rem; text-align: center; }
.login-box .error { color: var(--down); font-size: 0.85rem; margin: 0; }