:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #677085; --line: #e2e5ea;
  --accent: #2563eb; --ok: #15803d; --warn: #b45309; --bad: #b91c1c;
  --ok-bg: #dcfce7; --warn-bg: #fef3c7; --bad-bg: #fee2e2; --idle-bg: #eef0f3;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1b2029; --text: #e6e9ef; --muted: #98a1b3; --line: #2c3340;
    --accent: #60a5fa; --ok: #4ade80; --warn: #fbbf24; --bad: #f87171;
    --ok-bg: #14321f; --warn-bg: #3a2c0d; --bad-bg: #3b1616; --idle-bg: #262c37;
  }
}
* { box-sizing: border-box; }
/* Las reglas display de abajo (grid/flex) anularían el atributo hidden */
[hidden] { display: none !important; }
body { margin: 0; font: 14px/1.45 system-ui, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
h1 { font-size: 20px; margin: 0 0 12px; }
h2 { font-size: 16px; margin: 0 0 10px; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
button, input, select, textarea { font: inherit; color: inherit; }
textarea { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; box-sizing: border-box; resize: vertical; }
textarea.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
button { background: var(--accent); color: #fff; border: 0; border-radius: 6px; padding: 6px 12px; cursor: pointer; }
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
button.danger { background: transparent; color: var(--bad); border: 1px solid var(--line); }
button.small { padding: 3px 8px; font-size: 12.5px; }
input, select { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.top { display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; flex-wrap: wrap; }
.top nav { display: flex; gap: 4px; flex-wrap: wrap; }
.top nav button { background: transparent; color: var(--muted); }
.top nav button.active { background: var(--idle-bg); color: var(--text); }
.spacer { flex: 1; }
main { padding: 20px; max-width: 1200px; margin: 0 auto; display: grid; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.stat b { display: block; font-size: 26px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.row-form { display: flex; gap: 8px; align-items: end; flex-wrap: wrap; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--idle-bg); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.checks { display: grid; gap: 4px; max-height: 220px; overflow: auto; padding: 4px 0; }
.checks label { display: flex; gap: 6px; align-items: center; color: var(--text); }
.login { min-height: 100vh; display: grid; place-items: center; }
.login form { width: min(340px, 90vw); display: grid; gap: 12px; }
.error { color: var(--bad); min-height: 1em; margin: 0; }
dialog { border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--text); max-width: min(640px, 92vw); }
dialog::backdrop { background: rgb(0 0 0 / .4); }
.modal-body { display: grid; gap: 12px; }
.modal-body menu { margin: 0; padding: 0; display: flex; justify-content: flex-end; }
.secret { padding: 10px; background: var(--idle-bg); border-radius: 6px; word-break: break-all; user-select: all; }
.code-big { font-size: 28px; letter-spacing: 3px; text-align: center; font-weight: 700; }
.toast { position: fixed; bottom: 20px; right: 20px; background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; max-width: 420px; }
.toast.bad { background: var(--bad); color: #fff; }