/* Components. All colour/shape/type comes from tokens.css; no colour literals here except transparent/rgba overlays. */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 16px/1.45 var(--font-body); background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.muted { color: var(--ink-2); }
.err { color: var(--bad); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---- app bar ---- */
.appbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px var(--pad); position: sticky; top: 0; z-index: 5; background: var(--bg); }
.brand { font: var(--display-weight) 22px/1 var(--font-display); letter-spacing: .01em; color: var(--ink); }
.appbar nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.navlink, .navbtn { padding: 8px 14px; border-radius: 999px; border: 0; background: none; color: var(--ink-2); cursor: pointer; font-size: 15px; }
.navlink:hover, .navbtn:hover { background: var(--surface); color: var(--ink); }
.navlink.is-current { background: var(--surface-2); color: var(--ink); }
.navsel { appearance: none; border: 0; border-radius: 999px; padding: 8px 12px; background: var(--surface); color: var(--ink-2); font: inherit; font-size: 14px; cursor: pointer; }

main { margin: 0 auto; padding: 0 var(--pad) 120px; width: 100%; max-width: 640px; }
main.wide { max-width: 1040px; }

/* ---- page heads ---- */
.head { display: flex; align-items: center; gap: 10px; padding: 6px 0 14px; }
.head .grow { flex: 1; min-width: 0; }
.head h1 { margin: 0; font: var(--display-weight) 26px/1.15 var(--font-display); flex: 1; min-width: 0; overflow-wrap: anywhere; }
.iconbtn { width: 44px; height: 44px; border-radius: 50%; border: 0; background: none; display: grid; place-items: center; cursor: pointer; color: var(--ink); }
.iconbtn:hover { background: var(--surface); }
.sub { color: var(--ink-2); font-size: 15px; }
.status-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; background: var(--bad); vertical-align: 1px; }
.status-dot.on { background: var(--ok); }

/* ---- stage + dial ---- */
.stage { --stage-bg: var(--stage-idle); --disc: var(--disc-idle); --arc: var(--arc-idle); background: var(--stage-bg); color: var(--stage-ink); border-radius: var(--stage-radius); padding: 10px 6px 4px; position: relative; transition: background-color .5s ease; }
.stage[data-state='heat'] { --stage-bg: var(--stage-heat); --disc: var(--disc-heat); --arc: var(--arc-heat); }
.stage[data-state='cool'] { --stage-bg: var(--stage-cool); --disc: var(--disc-cool); --arc: var(--arc-cool); }
.stage[data-state='eco'] { --stage-bg: var(--stage-eco); --disc: var(--disc-eco); --arc: var(--arc-eco); }
.stage[data-state='off'] { --stage-bg: var(--stage-off); --disc: var(--disc-off); --arc: var(--arc-off); }
.stage .dial { display: block; width: 100%; max-width: 440px; margin: 0 auto; height: auto; touch-action: none; user-select: none; -webkit-user-select: none; }
.dial:focus-visible { outline-offset: -4px; border-radius: 50%; }
.dial-disc { fill: var(--disc); display: var(--disc-display); transition: fill .5s ease; }
.dial-track { stroke: var(--dial-track); stroke-width: var(--ring-w); stroke-linecap: round; }
.dial-arc { stroke: var(--arc); stroke-width: var(--ring-w); stroke-linecap: round; opacity: var(--arc-opacity); }
.dial-ticks { display: var(--tick-display); }
.dial-tick { stroke: var(--dial-tick); stroke-width: 1.4; stroke-linecap: round; }
.dial-tick.is-long { stroke-width: 2.4; }
.dial-tick.is-on { stroke: var(--dial-tick-on); }
.dial-current { stroke: var(--stage-ink-2); stroke-width: 3; stroke-linecap: round; opacity: .8; }
.dial-handle { stroke: var(--bg); stroke-width: 3; }
.dial-handle-heat { fill: var(--arc-heat); } .dial-handle-cool { fill: var(--arc-cool); }
.dial-glyph path { stroke-width: 1.8; stroke-linecap: round; }
.dial-glyph-heat path { stroke: var(--arc-heat); } .dial-glyph-cool path { stroke: var(--arc-cool); }
.dial-num { font-family: var(--font-num); font-weight: var(--num-weight); letter-spacing: var(--num-spacing); fill: var(--num-idle); font-variant-numeric: tabular-nums; }
.dial-num.num-heat { fill: var(--num-heat); } .dial-num.num-cool { fill: var(--num-cool); } .dial-num.num-off { fill: var(--num-off); }
.dial-num.is-pick { cursor: pointer; }
.dial-num.is-pick:not(.is-selected) { opacity: .55; }
.dial-label { fill: var(--stage-ink-2); font: 500 21px var(--font-body); text-transform: var(--label-case); letter-spacing: var(--label-spacing); }
.dial-sub { fill: var(--stage-ink-2); font: 400 15px var(--font-body); }
.dial-btn { cursor: pointer; outline: none; }
.dial-btn-hit { fill: transparent; }
.dial-btn:hover .dial-btn-hit, .dial-btn:focus-visible .dial-btn-hit { fill: rgba(127, 127, 127, .18); }
.dial-btn-glyph { stroke: var(--stage-ink-2); stroke-width: 3; stroke-linecap: round; }
.dial-btn.is-off { opacity: .3; pointer-events: none; }
@media (prefers-reduced-motion: reduce) { .stage, .dial-disc { transition: none; } }

/* ---- info pill + tiles ---- */
.pill { background: var(--tile); color: var(--tile-ink); border-radius: var(--radius-lg); padding: 16px 20px; margin-top: var(--gap); }
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); margin-top: var(--gap); }
.tile { display: flex; align-items: center; gap: 14px; text-align: left; border: 0; cursor: pointer; background: var(--tile); color: var(--tile-ink); border-radius: var(--radius-lg); padding: 18px 20px; min-height: 68px; transition: background-color .2s; }
.tile:hover { filter: brightness(.97); }
.tile.wide { grid-column: span 2; }
.tile .tt { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.tile .tt b { font-weight: 500; font-size: 17px; }
.tile .tt span { font-size: 15px; opacity: .85; }
.tile svg { flex: none; }
.tile.on-heat { background: var(--tile-heat); color: var(--tile-heat-ink); }
.tile.on-cool { background: var(--tile-cool); color: var(--tile-cool-ink); }
.tile.on-eco { background: var(--tile-eco); color: var(--tile-eco-ink); }
.tile.on { background: var(--tile-on); color: var(--tile-on-ink); }
.segs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; background: var(--tile); border-radius: var(--radius-lg); padding: 6px; margin-top: var(--gap); }
.seg { border: 0; background: none; border-radius: calc(var(--radius-lg) - 6px); padding: 12px 6px; cursor: pointer; font-size: 15px; color: var(--ink-2); }
.seg.is-current { background: var(--tile-on); color: var(--tile-on-ink); font-weight: 500; }
.seg.is-current.heat { background: var(--tile-heat); color: var(--tile-heat-ink); } .seg.is-current.cool { background: var(--tile-cool); color: var(--tile-cool-ink); }

.panel { background: var(--tile); color: var(--tile-ink); border-radius: var(--radius-lg); padding: 8px 20px; margin-top: var(--gap); }
.panel h2 { font: 500 17px var(--font-body); margin: 14px 0 6px; }
.row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; }
.row + .row { border-top: 1px solid var(--line); }
.row b { font-weight: 500; text-align: right; }
details.panel summary { cursor: pointer; padding: 12px 0; list-style: none; font-weight: 500; }
details.panel pre { margin: 0 0 14px; }

/* ---- buttons / inputs ---- */
.btn { border: 1px solid var(--line); background: transparent; color: var(--ink); border-radius: 999px; padding: 10px 20px; cursor: pointer; font-size: 15px; }
.btn:hover { background: var(--surface); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 500; }
.btn.primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn.block { display: block; width: 100%; text-align: center; padding: 14px 20px; }
.btn:disabled { opacity: .5; cursor: default; }
input, select.field { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; min-width: 0; }
input.num { width: 5.5em; text-align: center; }
.field-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 10px 0; }

/* ---- device list ---- */
.devices { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--gap); }
.device { --stage-bg: var(--stage-idle); display: grid; grid-template-columns: 132px 1fr; align-items: center; gap: 8px; background: var(--tile); color: var(--tile-ink); border-radius: var(--radius-lg); padding: 10px 18px 10px 8px; transition: transform .15s; }
.device:hover { transform: translateY(-2px); }
.device .stage { background: none; padding: 0; border-radius: 0; }
.device h2 { margin: 0; font: 500 19px/1.2 var(--font-display); overflow-wrap: anywhere; }
.device .state { font-size: 15px; margin-top: 2px; }
.device .meta { font-size: 14px; color: var(--ink-2); margin-top: 8px; }
.device.heat .state { color: var(--heat); } .device.cool .state { color: var(--cool); } .device.eco .state { color: var(--eco); }
.empty { text-align: center; padding: 56px 16px; }
.empty h2 { font: var(--display-weight) 24px var(--font-display); margin: 0 0 8px; }

/* ---- schedule ---- */
.days { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin: 6px 0 16px; overflow-x: auto; }
.daytab { flex: 1; min-width: 46px; border: 0; background: none; padding: 12px 4px 10px; cursor: pointer; color: var(--ink-2); font-size: 15px; border-bottom: 3px solid transparent; margin-bottom: -1px; }
.daytab.is-current { color: var(--accent); border-bottom-color: var(--accent); font-weight: 500; }
.glance { background: var(--tile); border-radius: var(--radius-lg); padding: 14px 16px 6px; margin-bottom: var(--gap); }
.glance svg { display: block; width: 100%; height: auto; }
.glance .axis { stroke: var(--line); stroke-width: 1; }
.glance .axis-label { fill: var(--ink-2); font: 400 11px var(--font-body); }
.glance .curve { fill: none; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.glance .curve.heat { stroke: var(--heat); } .glance .curve.cool { stroke: var(--cool); }
.glance .dotp { fill: var(--bg); stroke-width: 2.5; } .glance .dotp.heat { stroke: var(--heat); } .glance .dotp.cool { stroke: var(--cool); }
.event { background: var(--tile); color: var(--tile-ink); border-radius: var(--radius-lg); padding: 16px 20px; margin-bottom: var(--gap); }
.event-top { display: flex; align-items: center; gap: 14px; width: 100%; border: 0; background: none; padding: 0; cursor: pointer; text-align: left; }
.event-top .who { flex: 1; min-width: 0; }
.event-top .who b { display: block; font-weight: 500; font-size: 17px; }
.chips { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.chip { border-radius: 999px; padding: 3px 11px; font-size: 14px; }
.chip.heat { background: var(--tile-heat); color: var(--tile-heat-ink); } .chip.cool { background: var(--tile-cool); color: var(--tile-cool-ink); }
.event-time { font-size: 17px; font-variant-numeric: tabular-nums; }
.event-edit { padding-top: 12px; border-top: 1px solid var(--line); margin-top: 14px; }
.savebar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; padding: 12px var(--pad) calc(12px + env(safe-area-inset-bottom)); background: var(--bg); border-top: 1px solid var(--line); }
.savebar .in { max-width: 640px; margin: 0 auto; display: flex; align-items: center; gap: 14px; }
.savebar .msg { flex: 1; font-size: 14px; }

/* ---- misc ---- */
.card { background: var(--tile); color: var(--tile-ink); border-radius: var(--radius-lg); padding: 20px; margin-bottom: var(--gap); }
.card h2 { margin: 0 0 10px; font: 500 19px var(--font-display); }
.login { max-width: 380px; margin: 12vh auto 0; }
.login .field-row input { flex: 1; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bg); border-radius: 999px; padding: 12px 22px; z-index: 20; font-size: 15px; box-shadow: 0 6px 24px rgba(0, 0, 0, .25); }
.toast.is-error { background: var(--bad); color: #fff; }
.tabs { display: flex; gap: 6px; margin-bottom: var(--gap); flex-wrap: wrap; }
.tabs a { padding: 8px 16px; border-radius: 999px; background: var(--surface); color: var(--ink-2); font-size: 15px; }
.tabs a.is-current { background: var(--tile-on); color: var(--tile-on-ink); font-weight: 500; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink-2); font-weight: 500; }
td.bad, .bad { color: var(--bad); }
pre { white-space: pre-wrap; word-break: break-word; font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--surface-2); padding: 10px 12px; border-radius: var(--radius); max-height: 420px; overflow: auto; margin: 6px 0; }
details { margin: 4px 0; } summary { cursor: pointer; }

/* ---- preview switcher (only on /redesign-preview) ---- */
.preview-bar { position: sticky; top: 0; z-index: 30; display: flex; gap: 8px 14px; flex-wrap: wrap; align-items: center; padding: 8px var(--pad); background: #111; color: #fff; font: 14px system-ui, sans-serif; }
.preview-bar b { font-weight: 600; margin-right: 4px; }
.preview-bar button { border: 1px solid #444; background: #222; color: #ddd; border-radius: 999px; padding: 5px 13px; cursor: pointer; font: inherit; }
.preview-bar button.is-current { background: #fff; color: #111; border-color: #fff; }
.preview-bar .sp { flex: 1; }

/* ---- small screens ---- */
@media (max-width: 600px) {
  .appbar { flex-wrap: wrap; row-gap: 4px; padding-bottom: 6px; }
  .appbar nav { width: 100%; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 calc(var(--pad) * -1); padding: 0 var(--pad); }
  .appbar nav::-webkit-scrollbar { display: none; }
  .navlink, .navbtn, .navsel { white-space: nowrap; flex: none; }
  .preview-bar { font-size: 13px; }
}
.navbtn.is-current { background: var(--surface-2); color: var(--ink); }

.check { display: flex; align-items: center; gap: 8px; margin: 10px 2px; color: var(--ink-2); font-size: 0.95rem; }
.check input { width: 18px; height: 18px; accent-color: var(--accent, currentColor); }