:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --text: #15181d;
  --muted: #5d6876;
  --border: #e1e5ea;
  --accent: #0f7b6c;
  --accent-hover: #0c6559;
  --accent-text: #ffffff;
  --pos: #0a7d43;
  --neg: #c62828;
  --warn: #8a5300;
  --warn-bg: #fff3dc;
  --danger: #c62828;
  --danger-bg: #fdecec;
  --info-bg: #e7f4f2;
  --radius: 12px;
  --shadow: 0 1px 2px rgb(16 24 40 / 0.06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1115;
    --surface: #161a20;
    --surface-2: #1e232b;
    --text: #e7eaee;
    --muted: #98a3b0;
    --border: #2a3039;
    --accent: #2db39f;
    --accent-hover: #3cc6b1;
    --accent-text: #05211d;
    --pos: #3fcf80;
    --neg: #ff6b6b;
    --warn: #f2b65a;
    --warn-bg: #2c2414;
    --danger: #ff6b6b;
    --danger-bg: #3a1d1d;
    --info-bg: #13302c;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

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

a { color: var(--accent); }
h2, h3 { margin: 0; font-size: 1rem; font-weight: 650; }
.muted { color: var(--muted); }
.small-text { font-size: 0.82rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }

/* ---------- layout ---------- */

.topbar { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.topbar-inner { max-width: 1160px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; }
.spacer { flex: 1; }
.page { max-width: 1160px; margin: 0 auto; padding: 20px 16px 48px; display: grid; gap: 16px; }
.columns { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); min-width: 0; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.label { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }

/* ---------- controls ---------- */

.controls-main { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.sched-state { font-size: 1.5rem; font-weight: 700; margin: 2px 0; }
.sched-state.on { color: var(--pos); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.conn { display: flex; align-items: center; gap: 8px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 0.9rem; flex-wrap: wrap; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ok { background: var(--pos); }
.dot.bad { background: var(--neg); }
.dot.warn { background: var(--warn); }

.banner { border-radius: var(--radius); padding: 12px 16px; background: var(--warn-bg); color: var(--warn); font-weight: 500; }
.banner.danger { background: var(--danger-bg); color: var(--danger); }

/* ---------- stats ---------- */

.stats { display: grid; gap: 16px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat .value { font-size: 1.45rem; font-weight: 700; margin: 4px 0 2px; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat .muted { font-size: 0.85rem; }

/* ---------- badges & buttons ---------- */

.badge { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.badge.live { background: var(--danger-bg); color: var(--danger); }
.badge.dry { background: var(--warn-bg); color: var(--warn); }

.btn { font: inherit; font-weight: 600; border-radius: 9px; padding: 9px 16px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
.btn:hover:not(:disabled) { background: var(--surface-2); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger:hover:not(:disabled) { filter: brightness(1.08); background: var(--danger); }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 12px; font-size: 0.88rem; }
.btn.block { width: 100%; }
.link { font: inherit; background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- tables ---------- */

.table-wrap { overflow-x: auto; margin: 0 -4px; }
.table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 0.92rem; }
.table th { text-align: left; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 600; padding: 6px 4px; border-bottom: 1px solid var(--border); }
.table td { padding: 8px 4px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.near-stop td:first-child::after { content: " near stop"; font-size: 0.7rem; font-weight: 700; color: var(--neg); text-transform: uppercase; }
.empty { color: var(--muted); margin: 8px 0 0; }

/* ---------- runs ---------- */

.runs { list-style: none; margin: 0; padding: 0; max-height: 460px; overflow-y: auto; }
.run { width: 100%; display: flex; align-items: flex-start; gap: 10px; text-align: left; font: inherit; color: inherit; background: none; border: 0; border-bottom: 1px solid var(--border); padding: 10px 4px; cursor: pointer; }
.runs li:last-child .run { border-bottom: 0; }
.run:hover { background: var(--surface-2); }
.run-main { flex: 1; min-width: 0; display: grid; }
.run-head { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.run-sub { font-size: 0.8rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; margin-top: 7px; flex: none; background: var(--muted); }
.status-dot.ok { background: var(--pos); }
.status-dot.error { background: var(--neg); }
.status-dot.warning, .status-dot.stopped { background: var(--warn); }
.status-dot.running { background: var(--accent); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.3; } }
@media (prefers-reduced-motion: reduce) { .status-dot.running { animation: none; } }

/* ---------- forms ---------- */

.settings { display: grid; gap: 8px; }
fieldset { border: 0; margin: 0; padding: 12px 0; border-bottom: 1px solid var(--border); min-width: 0; }
legend { font-weight: 650; padding: 0; margin-bottom: 10px; }
.grid { display: grid; gap: 12px 16px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
label { display: grid; gap: 4px; font-size: 0.88rem; color: var(--muted); }
input, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%; min-width: 0; }
textarea { resize: vertical; line-height: 1.45; }
input[type="radio"], input[type="checkbox"] { width: auto; accent-color: var(--accent); margin: 0; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; }
.seg label { display: flex; align-items: center; gap: 8px; padding: 8px 14px; color: var(--text); cursor: pointer; }
.seg label + label { border-left: 1px solid var(--border); }
.seg label:has(input:checked) { background: var(--info-bg); font-weight: 600; }
.checks { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 14px; }
.checks label { display: flex; align-items: center; gap: 6px; color: var(--text); }
.hint { font-size: 0.85rem; color: var(--muted); margin: 8px 0 12px; }
.form-foot { display: flex; justify-content: flex-end; align-items: center; gap: 12px; padding-top: 8px; }
.form-error { color: var(--neg); min-height: 1.4em; margin: 6px 0; font-size: 0.9rem; }

/* ---------- dialogs ---------- */

.dialog { border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; background: var(--surface); color: var(--text); width: min(460px, calc(100vw - 32px)); }
.dialog.wide { width: min(820px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0; }
.dialog::backdrop { background: rgb(0 0 0 / 0.45); }
.dialog-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface); }
.dialog-body { padding: 16px 20px 20px; display: grid; gap: 16px; }
.dialog h3 { margin: 0 0 6px; }
.dialog-body h4 { margin: 0 0 6px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.callout { border-radius: 9px; padding: 10px 12px; background: var(--danger-bg); color: var(--danger); }
.callout.warn { background: var(--warn-bg); color: var(--warn); }
.alerts { margin: 0; padding-left: 18px; }
details summary { cursor: pointer; font-weight: 600; }
pre { background: var(--surface-2); border-radius: 8px; padding: 12px; overflow: auto; max-height: 360px; font-size: 0.82rem; white-space: pre-wrap; word-break: break-word; margin: 8px 0 0; }

/* ---------- login ---------- */

.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); display: grid; gap: 18px; }
.login-card form { display: grid; gap: 6px; }

/* ---------- small screens ---------- */

@media (max-width: 900px) {
  .columns { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .page { padding-top: 16px; gap: 12px; }
  .card { padding: 14px; }
  .stats { gap: 12px; }
  .stat .value { font-size: 1.2rem; }
  .actions, .actions .btn { width: 100%; }
}