:root {
  --bg: #0f1417;
  --card: #182025;
  --card-hi: #1f2932;
  --text: #e6edf3;
  --muted: #7d8590;
  --accent: #58a6ff;
  --ok: #3fb950;
  --warn: #d29922;
  --danger: #f85149;
  --border: #30363d;
}
* { box-sizing: border-box; }
body {
  margin: 0; font: 15px/1.5 system-ui, sans-serif;
  background: var(--bg); color: var(--text);
}
header {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 14px 24px;
  background: linear-gradient(180deg, #1a2229 0%, #141a1f 100%);
  border-bottom: 1px solid var(--border);
}
.hdr-title { font-size: 18px; font-weight: 600; }
.hdr-right { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.hdr-right a { color: var(--accent); text-decoration: none; }
.user-chip {
  background: var(--card-hi); padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--border); font-size: 13px;
}

main { max-width: 880px; margin: 20px auto; padding: 0 16px; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px 20px; margin-bottom: 16px;
}
.card h2 {
  margin: 0 0 12px; font-size: 13px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.6px;
}

.flashes { max-width: 880px; margin: 12px auto; padding: 0 16px; }
.flash {
  padding: 10px 14px; border-radius: 8px; margin-bottom: 8px;
  border: 1px solid;
}
.flash-error { background: rgba(248,81,73,0.1); border-color: var(--danger); color: var(--danger); }
.flash-ok    { background: rgba(63,185,80,0.1); border-color: var(--ok); color: var(--ok); }

/* Forms */
label { display: block; margin: 10px 0; }
label > span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 4px; }
input, select {
  width: 100%; padding: 10px 12px; font: inherit;
  background: var(--card-hi); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
}
input[type=checkbox] { width: auto; }
button {
  font: inherit; padding: 10px 16px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--card-hi);
  color: var(--text); cursor: pointer;
}
button:hover { filter: brightness(1.15); }
button:active { filter: brightness(0.9); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #0d1117; font-weight: 500; }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
button.ghost { background: transparent; color: var(--muted); }
button.small { padding: 6px 10px; font-size: 13px; }
button.big { padding: 14px 18px; width: 100%; font-size: 16px; margin-top: 12px; }

/* Login */
.login-card { max-width: 380px; margin: 60px auto; }

/* Admin */
.row-form { display: flex; flex-wrap: wrap; gap: 8px; }
.row-form > * { flex: 1; min-width: 140px; }
.row-form button { flex: 0 0 auto; }
.inline-form { display: inline-flex; gap: 6px; vertical-align: middle; }
.inline-form > input, .inline-form > select { padding: 6px 8px; font-size: 13px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }

/* Dashboard */
.status-row { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.state-badge {
  font-size: 28px; font-weight: 700; padding: 14px 24px;
  border-radius: 10px; background: var(--card-hi); border: 2px solid var(--border);
  min-width: 160px; text-align: center;
}
.state-on   { color: var(--ok); border-color: var(--ok); background: rgba(63,185,80,0.1); }
.state-off  { color: var(--danger); border-color: var(--danger); background: rgba(248,81,73,0.1); }
.state-auto { color: var(--accent); border-color: var(--accent); background: rgba(88,166,255,0.1); }

.metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 24px; flex: 1; }
.metrics > div { display: flex; justify-content: space-between; gap: 12px; }
.metrics span { color: var(--muted); }
.metrics b { font-weight: 500; font-size: 16px; }

.action-buttons { display: flex; gap: 12px; margin-bottom: 16px; }
.big-on, .big-off {
  flex: 1; padding: 18px; font-size: 20px; font-weight: 600;
  border: none; color: white;
}
.big-on  { background: var(--ok); }
.big-off { background: var(--danger); }

.target-set { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.target-set label { margin: 0; display: flex; align-items: center; gap: 8px; }
.target-set .step { font-size: 18px; padding: 4px 14px; }
#target-display { font-size: 22px; font-weight: 600; min-width: 40px; text-align: center; }

.hysteresis-set { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.hysteresis-set label { margin: 0; display: flex; align-items: center; gap: 8px; }
.hysteresis-set select { width: auto; min-width: 120px; padding: 6px 10px; }

/* Schedule editor */
.schedule-tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.schedule-tabs .tab {
  padding: 6px 14px; font-size: 14px; background: var(--card-hi);
  border: 1px solid var(--border); color: var(--muted); border-radius: 6px;
}
.schedule-tabs .tab.active { color: var(--text); border-color: var(--accent); background: rgba(88,166,255,0.15); }
.period-row {
  display: grid;
  /* time | mode | temp | motion timeout | label | remove */
  grid-template-columns: 100px 120px 80px 100px 1fr 80px;
  gap: 8px;
  align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border);
}
.period-row input, .period-row select { padding: 6px 8px; font-size: 14px; }
.period-row input:disabled, .period-row select:disabled { opacity: 0.4; }
.period-add { margin: 10px 0 16px; }

/* Motion */
.motion-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 8px 14px; margin-bottom: 12px; }
.motion-grid label { margin: 4px 0; }
.muted { color: var(--muted); }
.muted.small { font-size: 12px; }

/* Admin: rooms-table + pills + banner */
.rooms-table td { vertical-align: middle; }
.pill {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.3px;
  background: var(--card-hi); border: 1px solid var(--border);
}
.pill-on   { color: var(--ok);     border-color: var(--ok);     background: rgba(63,185,80,0.1); }
.pill-off  { color: var(--danger); border-color: var(--danger); background: rgba(248,81,73,0.1); }
.pill-auto { color: var(--accent); border-color: var(--accent); background: rgba(88,166,255,0.1); }
.pill-err  { color: var(--muted); }
.link-btn {
  display: inline-block; padding: 6px 12px; border-radius: 6px;
  background: var(--accent); color: #0d1117; font-weight: 500;
  text-decoration: none; font-size: 13px;
}
.admin-banner {
  background: rgba(210,153,34,0.1); border: 1px solid var(--warn);
  border-radius: 8px; padding: 10px 14px; margin-bottom: 16px;
  color: var(--warn); font-size: 14px;
}
.admin-banner a { color: var(--warn); margin-left: 8px; }

/* ── Mobile (≤640px) ───────────────────────────────────────────
   Stacks status row, enlarges tap targets, reflows the schedule
   editor's 6-column grid into a 3-col × 3-row layout so each
   period fits without horizontal squish.                       */
@media (max-width: 640px) {
  main   { padding: 0 10px; margin: 12px auto; }
  header { padding: 10px 12px; flex-wrap: wrap; gap: 8px; }
  .hdr-title { font-size: 16px; }
  .hdr-right { flex-wrap: wrap; gap: 8px; font-size: 13px; }
  .user-chip { padding: 5px 10px; font-size: 12px; }
  .card   { padding: 14px; }
  .card h2 { font-size: 12px; }

  /* Status row stacks: big AC state badge then metrics below */
  .status-row  { flex-direction: column; align-items: stretch; gap: 14px; }
  .state-badge { font-size: 24px; padding: 12px 16px; min-width: 0; width: 100%; }
  .metrics     { grid-template-columns: 1fr 1fr; gap: 6px 14px; }
  .metrics b   { font-size: 15px; }

  /* Action buttons stay side-by-side but bigger touch targets */
  .action-buttons { gap: 10px; }
  .big-on, .big-off { font-size: 18px; padding: 16px; }

  /* Target + hysteresis stack with labels left, controls right */
  .target-set, .hysteresis-set {
    flex-direction: column; align-items: stretch; gap: 10px;
  }
  .target-set label, .hysteresis-set label {
    justify-content: space-between; flex-wrap: wrap;
  }
  .target-set .step { font-size: 20px; padding: 10px 18px; }
  #target-display   { font-size: 24px; min-width: 50px; }

  /* Schedule editor — reflow to 3-col × 3-row per period.
     Row 1: time, mode, remove
     Row 2: temp, motion timeout
     Row 3: label (full width) */
  .schedule-tabs { gap: 4px; }
  .schedule-tabs .tab { flex: 1; text-align: center; padding: 8px 6px; font-size: 13px; }
  .period-row {
    grid-template-columns: 1fr 1fr 80px;
    grid-auto-rows: auto;
    gap: 6px 6px;
    padding: 10px 0;
  }
  .period-row input[type="time"]                    { grid-column: 1; grid-row: 1; }
  .period-row select[data-field="mode"]             { grid-column: 2; grid-row: 1; }
  .period-row [data-action="del"]                   { grid-column: 3; grid-row: 1; }
  .period-row input[type="number"]                  { grid-column: 1; grid-row: 2; }
  .period-row select[data-field="motion_timeout_hr"]{ grid-column: 2 / 4; grid-row: 2; }
  .period-row input[data-field="label"]             { grid-column: 1 / -1; grid-row: 3; }

  /* Tables (admin) collapse padding so they don't overflow */
  table { font-size: 13px; }
  th, td { padding: 8px 6px; }

  /* Login + change-pw card eats the full width on narrow */
  .login-card { max-width: none; margin: 24px auto; }
  button.big  { padding: 16px 18px; font-size: 17px; }
}

/* Admin tables on mobile: convert each row into a labeled card so the
   6-column tables (rooms + users) don't overflow / wrap badly. Uses the
   data-label attribute injected in admin.html as a pseudo-element. */
@media (max-width: 640px) {
  table { border-collapse: separate; border-spacing: 0; }
  thead { display: none; }
  tbody, tr, td { display: block; width: 100%; }
  tbody tr {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card-hi);
    margin-bottom: 10px;
    padding: 4px 10px;
  }
  td {
    border: none;
    padding: 8px 0;
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 10px;
    align-items: center;
    border-bottom: 1px solid var(--border);
  }
  tbody tr td:last-child { border-bottom: none; }
  td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
  }
  /* Actions cell: drop the label gutter, stack forms vertically with gaps */
  td.actions {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  td.actions::before {
    grid-column: 1; margin-bottom: -4px;
  }
  td.actions .inline-form {
    display: flex; gap: 6px; flex-wrap: wrap;
  }
  td.actions .inline-form > input,
  td.actions .inline-form > select { flex: 1; min-width: 0; }

  /* Set-room form in Users table — make select fill width */
  tbody tr td .inline-form { width: 100%; }
  tbody tr td .inline-form > select { flex: 1; }

  /* Add User form — stack inputs vertically on phone */
  .row-form { flex-direction: column; align-items: stretch; }
  .row-form > * { width: 100%; min-width: 0; }
}

/* Extra-narrow (≤400px): metrics drop to single column */
@media (max-width: 400px) {
  .metrics { grid-template-columns: 1fr; }
}