:root {
  --bg: #0b1220;
  --panel: #111a2e;
  --panel2: #0e1628;
  --line: #22304d;
  --text: #e6edf7;
  --muted: #8b9ab5;
  --cyan: #22d3ee;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --temp: #fb923c;
  --soil: #38bdf8;
  font-family: "IBM Plex Sans Thai", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.5; }
a { color: var(--cyan); }
button { font: inherit; cursor: pointer; }
.mono { font-family: "JetBrains Mono", monospace; font-size: 12px; word-break: break-all; }

.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 18px 24px 8px; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 34px; height: 34px; border-radius: 9px; background: radial-gradient(circle at 30% 30%, var(--green), #0f766e); box-shadow: 0 0 18px #34d39955; }
.brand h1 { margin: 0; font-size: 20px; }
.brand p { margin: 0; color: var(--muted); font-size: 13px; }
.conn { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.device { font-family: "JetBrains Mono", monospace; font-size: 13px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line); font-size: 13px; }
.pill i { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.pill.online i { background: var(--green); box-shadow: 0 0 10px var(--green); }
.pill.offline i { background: var(--red); }
.pill.sim i { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.ago { color: var(--muted); font-size: 13px; }

.banner { margin: 8px 24px 0; padding: 12px 16px; border-radius: 12px; border: 1px solid #7f1d1d; background: #2a1215; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.banner.sim { border-color: #78350f; background: #2a1d0b; }
.banner b { display: block; }
.banner span { color: var(--muted); font-size: 13px; }
.banner-actions { display: flex; align-items: center; gap: 14px; }
.primary { background: var(--cyan); color: #04212a; border: 0; border-radius: 9px; padding: 9px 14px; font-weight: 600; }
.primary:disabled { opacity: .45; cursor: default; }
.banner button:not(.primary) { background: none; color: var(--text); border: 1px solid var(--line); border-radius: 9px; padding: 8px 12px; }

.grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; padding: 16px 24px; }
.cards { grid-column: 1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.control { grid-column: 2; grid-row: 1 / span 2; }
.history { grid-column: 1; }
.side { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; }
.side h2:nth-of-type(2) { grid-column: 2; grid-row: 1; }
.side .meta { grid-column: 2; grid-row: 2; align-self: start; }

.card, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.card h2, .panel h2 { margin: 0 0 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
.value { display: flex; align-items: baseline; gap: 4px; }
.value b { font: 700 32px "JetBrains Mono", monospace; letter-spacing: -1px; }
.value small { color: var(--muted); }
.card[data-key="t"] .value b { color: var(--temp); }
.card[data-key="soil"] .value b { color: var(--soil); }
.spark { width: 100%; height: 36px; display: block; margin-top: 4px; }
.note { margin: 4px 0 0; color: var(--muted); font-size: 12px; min-height: 18px; }
.card.alert { border-color: #92400e; }

.seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 3px; margin-top: 4px; }
.seg button { background: none; border: 0; color: var(--muted); padding: 7px; border-radius: 8px; font-weight: 600; }
.seg button.on { background: var(--cyan); color: #04212a; }
.switches { display: grid; gap: 10px; margin-top: 12px; }
.switch { display: grid; grid-template-columns: 34px 1fr 46px; align-items: center; gap: 10px; text-align: left; background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.switch .icon { font-size: 22px; }
.switch b { display: block; }
.switch em { font-style: normal; color: var(--muted); font-size: 13px; }
.switch .knob { width: 46px; height: 26px; border-radius: 999px; background: #334155; position: relative; transition: background .2s; }
.switch .knob:after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #cbd5e1; transition: transform .2s; }
.switch.on .knob { background: var(--green); }
.switch.on .knob:after { transform: translateX(20px); background: #fff; }
.switch.resting .knob { background: var(--amber); }
.switch:disabled, .seg button:disabled { cursor: default; }
.control.disabled .seg, .control.disabled .switches, .control.disabled input, .control.disabled .primary { opacity: .5; }
.switch:disabled .knob { opacity: .85; }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
.control h3 { font-size: 13px; color: var(--muted); font-weight: 500; margin: 18px 0 4px; }
.control label { display: block; margin-top: 10px; font-size: 14px; }
.control output { font-family: "JetBrains Mono", monospace; color: var(--cyan); }
.control input[type=range] { width: 100%; accent-color: var(--cyan); margin-top: 6px; }
.control .primary { width: 100%; margin-top: 14px; }

.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.legend { display: flex; gap: 12px; font-size: 12px; color: var(--muted); }
.legend span:before { content: ""; display: inline-block; width: 10px; height: 3px; margin-right: 5px; vertical-align: middle; border-radius: 2px; }
.lt:before { background: var(--temp); }
.ls:before { background: var(--soil); }
.lp:before { background: var(--green); height: 8px !important; opacity: .6; }
#chart { width: 100%; height: 240px; display: block; margin-top: 6px; }

.log { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 13px; }
.log li { display: flex; gap: 10px; }
.log time { font-family: "JetBrains Mono", monospace; color: var(--muted); font-size: 12px; min-width: 64px; }
.log .empty { color: var(--muted); }
.meta { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; font-size: 13px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }

.foot { padding: 0 24px 28px; color: var(--muted); font-size: 12px; }
.foot p { margin: 4px 0; }

@media (max-width: 960px) {
  .grid { grid-template-columns: 1fr; padding: 12px 16px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .control, .history, .side, .cards { grid-column: 1; grid-row: auto; }
  .side { grid-template-columns: 1fr; }
  .side h2:nth-of-type(2), .side .meta { grid-column: 1; grid-row: auto; }
  .side h2:nth-of-type(2) { margin-top: 14px; }
  .top { padding: 14px 16px 4px; }
  .banner { margin: 8px 16px 0; }
  .foot { padding: 0 16px 24px; }
  .value b { font-size: 26px; }
}