:root {
  --bg: #1c2329;
  --panel: #262f38;
  --panel-2: #2f3a45;
  --line: #3b4855;
  --text: #e8edf1;
  --muted: #9aa8b4;
  --run: #4cc27a;
  --idle: #6d7d8c;
  --warn: #e9a63a;
  --fault: #e2554f;
  --action: #4ea1ff;
  --radius: 10px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #eef1f3; --panel: #ffffff; --panel-2: #f3f6f8; --line: #d3dae0;
    --text: #1a2229; --muted: #5d6b77; --idle: #a0adb8; color-scheme: light;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  -webkit-tap-highlight-color: transparent;
}
h1, h2, h3 { margin: 0; font-weight: 600; }

.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: calc(12px + env(safe-area-inset-top)) 20px 12px; border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px);
}
.brand { display: flex; flex-direction: column; line-height: 1.15; }
.site { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.unit { color: var(--muted); font-size: 14px; }
.status { display: flex; gap: 14px; align-items: center; font-size: 14px; margin-left: auto; }
.clock { color: var(--muted); font-variant-numeric: tabular-nums; }
.userbox { display: flex; align-items: center; gap: 10px; margin: 0; }
.who { color: var(--muted); }
.btn-sm { min-height: 34px; padding: 4px 10px; font-size: 14px; }
body.viewer .act-activate, body.viewer .act-cancel, body.viewer .act-edit, body.viewer [data-pulse] { display: none; }
.link { display: inline-flex; align-items: center; gap: 8px; }
.link::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--idle); }
.link.online::before { background: var(--run); box-shadow: 0 0 0 4px color-mix(in srgb, var(--run) 25%, transparent); }
.link.offline::before { background: var(--fault); }

.jump { display: none; gap: 8px; padding: 12px 14px 0; overflow-x: auto; scrollbar-width: none; }
.jump a { flex: 1 1 0; min-width: 0; display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 6px 12px;
  border-radius: 999px; background: var(--panel); border: 1px solid var(--line); color: var(--text); text-decoration: none; font-weight: 600; font-size: 14px; }
.jump a::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--idle); }
.jump a.running::before { background: var(--run); }
.jump a.fault::before { background: var(--fault); }
.jump a.fault { border-color: var(--fault); }
.pile { scroll-margin-top: 140px; }

.faultbar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin: 16px 20px 0; padding: 12px 16px; border-radius: var(--radius);
  background: color-mix(in srgb, var(--fault) 18%, var(--panel)); border: 1px solid var(--fault);
  font-weight: 600;
}
.faultbar[hidden] { display: none; }

.piles {
  display: grid; gap: 16px; padding: 20px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.pile {
  position: relative; overflow: hidden;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  min-height: 360px; display: flex;
}
.pile .fill {
  position: absolute; left: 0; right: 0; bottom: 0; height: 0%;
  background: linear-gradient(to top, color-mix(in srgb, var(--run) 30%, transparent), color-mix(in srgb, var(--run) 6%, transparent));
  transition: height .6s ease;
  pointer-events: none;
}
.pile.off .fill { background: linear-gradient(to top, color-mix(in srgb, var(--idle) 22%, transparent), transparent); }
.pile.fault { border-color: var(--fault); }
.pile.fault .fill { background: linear-gradient(to top, color-mix(in srgb, var(--fault) 28%, transparent), transparent); }
.pile-body { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 18px; width: 100%; }
.pile-head { display: flex; justify-content: space-between; align-items: baseline; }
.pile-head h2 { font-size: 22px; }
.state { font-size: 13px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--panel-2); color: var(--muted); }
.pile.running .state { background: color-mix(in srgb, var(--run) 22%, transparent); color: var(--run); }
.pile.fault .state { background: color-mix(in srgb, var(--fault) 22%, transparent); color: var(--fault); }

.days { display: flex; gap: 24px; }
.days strong { display: block; font-size: 44px; line-height: 1; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.days small { color: var(--muted); font-size: 13px; }
.pct { color: var(--muted); font-size: 14px; }

.blower { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0;
  padding: 10px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.blower div { display: flex; flex-direction: column; }
.blower dt { font-size: 12px; color: var(--muted); white-space: nowrap; }
.blower dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }

.faults { display: flex; flex-wrap: wrap; gap: 6px; min-height: 0; }
.faults:empty { display: none; }
.chip { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 6px;
  background: color-mix(in srgb, var(--fault) 20%, transparent); color: var(--fault); }

.actions { margin-top: auto; display: flex; flex-direction: column; gap: 8px; }
.actions [hidden] { display: none; }

.btn {
  font: inherit; font-weight: 600; cursor: pointer; min-height: 46px; padding: 10px 14px;
  border-radius: 8px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
}
.btn:focus-visible { outline: 3px solid var(--action); outline-offset: 2px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--action); border-color: var(--action); color: #0b1a2a; }
.btn-danger { background: transparent; border-color: var(--fault); color: var(--fault); }
.btn-ghost { background: transparent; }

.settings { padding: 0 20px 28px; }
.setting { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; max-width: 520px; }
.setting label { display: block; font-weight: 600; margin-bottom: 8px; }
.numrow { display: flex; align-items: center; gap: 10px; }
.unit-lbl { color: var(--muted); }
input[type=number], input[type=text], input[type=password], input:not([type]), select {
  font: inherit; font-size: 18px; min-height: 46px; width: 120px; padding: 8px 12px;
  border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
select { width: auto; }

dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--text); padding: 22px; max-width: 420px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0,0,0,.55); }
dialog h3 { font-size: 20px; margin-bottom: 8px; outline: none; }
dialog p { color: var(--muted); margin: 0 0 18px; }
dialog form label { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 10px 0; font-weight: 600; }
.dlg-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--line); padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.toast.err { border-color: var(--fault); }

/* login */
  .login-wrap { min-height: 100%; display: grid; place-items: center; padding: 24px; }
  .login { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
  .login h1 { font-size: 22px; margin-bottom: 4px; }
  .login p { color: var(--muted); margin: 0 0 20px; }
  .login label { display: block; font-weight: 600; margin: 14px 0 6px; }
  .login input { width: 100%; font: inherit; font-size: 18px; min-height: 48px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
  .login .btn { width: 100%; margin-top: 20px; }
  .err { margin-top: 14px; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--fault); background: color-mix(in srgb, var(--fault) 15%, transparent); color: var(--fault); font-weight: 600; }
  .err:empty { display: none; }

@media (prefers-reduced-motion: reduce) { .pile .fill { transition: none; } }
@media (max-width: 640px) {
  .top { padding-left: 14px; padding-right: 14px; }
  .site { font-size: 18px; } .unit { display: none; }
  .clock { display: none; }
  .who { display: none; }
  .jump { display: flex; }
  .piles { padding: 12px 14px 14px; gap: 12px; grid-template-columns: 1fr; }
  .pile { min-height: 0; }
  .pile-body { gap: 12px; padding: 16px; }
  .days { gap: 20px; }
  .days strong { font-size: 40px; }
  .pct { display: none; }
  .blower { padding: 8px 0; }
  .actions { flex-direction: row; }
  .actions .btn { flex: 1; }
  .faultbar { margin: 12px 14px 0; flex-wrap: wrap; }
  .settings { padding: 0 14px 24px; }
  .setting { max-width: none; }
  input[type=number], select { width: 100%; }
  .numrow input { flex: 1; min-width: 0; }
  dialog { margin: auto 16px; width: auto; max-width: none; }
  dialog form label { flex-direction: column; align-items: stretch; gap: 6px; }
  dialog form label select, dialog form label input { width: 100%; }
  .dlg-actions .btn { flex: 1; }
}
@media (display-mode: standalone) { .top { padding-top: calc(14px + env(safe-area-inset-top)); } }

/* admin */
.admin { padding: 20px; display: grid; gap: 16px; max-width: 1100px; min-width: 0; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; min-width: 0; overflow: hidden; }
.panel h2 { font-size: 18px; margin-bottom: 12px; }
.addform { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 10px; align-items: end; }
.addform label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 14px; }
.addform input, .addform select { width: 100%; font-size: 16px; }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td select { min-height: 36px; font-size: 14px; padding: 4px 8px; }
.rowactions { display: flex; gap: 6px; justify-content: flex-end; }
.pill { font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; background: var(--panel-2); color: var(--muted); }
.pill.ok { background: color-mix(in srgb, var(--run) 22%, transparent); color: var(--run); }
.pill.off { background: color-mix(in srgb, var(--fault) 22%, transparent); color: var(--fault); }
.status a.btn { text-decoration: none; display: inline-flex; align-items: center; }
#admin-link[hidden] { display: none; }
@media (max-width: 640px) {
  .admin { padding: 14px; gap: 12px; }
  .panel { padding: 14px; }
  .addform { grid-template-columns: 1fr; }
  .addform .btn { width: 100%; }
  /* tables become stacked cards */
  .tablewrap { overflow: visible; }
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tr { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; background: var(--panel-2); }
  td { border: 0; padding: 4px 0; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
  td::before { content: attr(data-label); color: var(--muted); font-size: 12px; font-weight: 600; flex: 0 0 auto; }
  td:empty { display: none; }
  td[data-label="Detail"] { flex-direction: column; align-items: flex-start; gap: 2px; word-break: break-word; }
  td select { width: auto; min-width: 120px; }
  .rowactions { flex-direction: row; justify-content: stretch; margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--line); }
  .rowactions::before { display: none; }
  .rowactions .btn { flex: 1; min-height: 42px; padding: 6px; }
  #audit tr { padding: 8px 12px; }
  #audit td { padding: 2px 0; font-size: 13px; }
  .top .status { width: 100%; justify-content: flex-end; }
}