:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --text: #1d232b;
    --muted: #66707c;
    --border: #dfe3e8;
    --up: #1a7f4b;
    --up-bg: #e3f4ea;
    --down: #c0362c;
    --down-bg: #fbe5e3;
    --warn: #9a6200;
    --warn-bg: #fdf1d8;
    --unknown: #66707c;
    --unknown-bg: #eceef1;
    --accent: #2f5fd0;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14181d;
        --surface: #1c2229;
        --text: #e4e8ec;
        --muted: #949ea9;
        --border: #2e3741;
        --up: #5fd08f;
        --up-bg: #183526;
        --down: #ff8378;
        --down-bg: #3d1f1d;
        --warn: #f2c063;
        --warn-bg: #3a2e14;
        --unknown: #949ea9;
        --unknown-bg: #272e36;
        --accent: #8fb0ff;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--accent); }
code { font-size: 0.9em; }

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; color: var(--text); text-decoration: none; }
.top form { margin: 0; }

main { max-width: 1100px; margin: 0 auto; padding: 16px; }

h1 { font-size: 1.4rem; }
h2 { font-size: 1.05rem; margin: 28px 0 10px; }
h3 { font-size: 1rem; margin: 0; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.error-text { color: var(--down); }

.banner {
    margin: 0;
    padding: 12px 16px;
    border-radius: 8px;
    font-weight: 600;
}
.banner.up { background: var(--up-bg); color: var(--up); }
.banner.down { background: var(--down-bg); color: var(--down); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--unknown);
    border-radius: 8px;
    padding: 12px 14px;
    min-width: 0;
}
.card header { display: flex; align-items: center; gap: 8px; }
.card .badge { margin-left: auto; }
.card .url { margin: 4px 0 8px; font-size: 0.85rem; overflow-wrap: anywhere; }
.card dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; margin: 0; font-size: 0.9rem; }
.card dt { color: var(--muted); }
.card dd { margin: 0; overflow-wrap: anywhere; }

.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--unknown); flex: none; }
.status-up { border-left-color: var(--up); }
.status-up .dot { background: var(--up); }
.status-down { border-left-color: var(--down); }
.status-down .dot { background: var(--down); }

.badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 0.8rem;
    background: var(--unknown-bg);
    color: var(--unknown);
}
.badge.up, .status-up .badge { background: var(--up-bg); color: var(--up); }
.badge.down, .status-down .badge { background: var(--down-bg); color: var(--down); }

.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
table { width: 100%; min-width: 600px; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td:first-child { white-space: nowrap; }
.kv { display: inline-block; margin-right: 8px; overflow-wrap: anywhere; }

.login {
    max-width: 340px;
    margin: 48px auto;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: grid;
    gap: 14px;
}
.login h1 { margin: 0; }
.login label { display: grid; gap: 4px; color: var(--muted); font-size: 0.9rem; }
.login .error { margin: 0; color: var(--down); }

input {
    font: inherit;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
}
button {
    font: inherit;
    padding: 8px 14px;
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: var(--surface);
    cursor: pointer;
}
button.link { background: none; color: var(--accent); padding: 0; }