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

:root {
  --bg: #f5f5f2; --panel: #ffffff; --ink: #18181b; --ink-2: #52525b; --ink-3: #a1a1aa;
  --line: #e7e7e3; --soft: #f0f0ec; --accent: #2f5bea; --accent-soft: #e8eeff;
  --good: #15803d; --good-soft: #dcfce7; --warn: #b45309; --warn-soft: #fef3c7; --bad: #b91c1c; --bad-soft: #fee2e2;
  --radius: 14px; --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f11; --panel: #18181b; --ink: #f4f4f5; --ink-2: #a1a1aa; --ink-3: #71717a;
    --line: #27272a; --soft: #1f1f23; --accent: #6b8cff; --accent-soft: #1c2440;
    --good: #4ade80; --good-soft: #14301f; --warn: #fbbf24; --warn-soft: #3a2a0c; --bad: #f87171; --bad-soft: #3a1414;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 Inter, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
body.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
button, input, select { font: inherit; color: inherit; }
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 22px; letter-spacing: -.02em; margin: 0 0 6px; }
.muted { color: var(--ink-2); }
.small { font-size: 12.5px; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12.5px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card.narrow { width: min(400px, 100%); padding: 32px; }
.card h3 { margin: 0 0 14px; font-size: 13px; font-weight: 600; color: var(--ink-2); }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.brand-mark { width: 26px; height: 26px; border-radius: 7px; background: var(--ink); display: grid; place-items: center; flex: none; }
.brand-mark::after { content: ''; width: 10px; height: 10px; border: 3px solid var(--panel); border-radius: 50%; }
.brand-mark.big { width: 40px; height: 40px; border-radius: 11px; margin-bottom: 18px; }
.brand-mark.big::after { width: 14px; height: 14px; border-width: 4px; }

.btn { border: 1px solid var(--line); background: var(--panel); padding: 8px 14px; border-radius: 9px; cursor: pointer; font-weight: 500; display: inline-flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap; transition: background .15s, opacity .15s; }
.btn:hover { background: var(--soft); }
.btn.primary { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.btn.primary:hover { opacity: .88; }
.btn.block { width: 100%; padding: 11px 14px; }
.btn.small { padding: 5px 10px; font-size: 13px; border-radius: 7px; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .5; cursor: default; }
a.btn { color: inherit; }
a.btn.primary { color: var(--panel); }

label.lbl { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.field { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.field:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field.code { font-family: 'JetBrains Mono', monospace; font-size: 22px; letter-spacing: .35em; text-align: center; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.err { color: var(--bad); font-size: 13px; min-height: 1.2em; }
.hint { color: var(--ink-3); font-size: 12.5px; margin-top: 6px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 13.5px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }

.pill { font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--soft); color: var(--ink-2); white-space: nowrap; display: inline-block; }
.pill.good { background: var(--good-soft); color: var(--good); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.accent { background: var(--accent-soft); color: var(--accent); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--ink-3); flex: none; }
.dot.up { background: var(--good); } .dot.down { background: var(--bad); } .dot.maint { background: var(--warn); }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th { text-align: left; color: var(--ink-3); font-weight: 500; font-size: 12px; padding: 0 10px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 11px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--soft); }
.tbl-wrap { overflow-x: auto; }

dialog { border: 1px solid var(--line); border-radius: 16px; padding: 0; width: min(480px, calc(100vw - 32px)); background: var(--panel); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.2); }
dialog::backdrop { background: rgba(0,0,0,.35); }
.dlg { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.dlg h2 { margin: 0; font-size: 18px; }
.dlg-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; flex-wrap: wrap; }
.linkbox { display: flex; gap: 8px; }
.linkbox input { flex: 1; min-width: 0; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--panel); padding: 10px 16px; border-radius: 10px; font-weight: 500; opacity: 0; transition: .2s; pointer-events: none; z-index: 50; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }