:root {
  --bg: #eef3f3; --card: #ffffff; --card-2: #f4f8f8;
  --ink: #17282e; --muted: #60747a; --line: #d5e1e2;
  --a: #0e7d88; --ok: #2e8b65; --warn: #b88328; --bad: #c34c3e;
  --shadow: 0 1px 2px rgba(23,40,46,.06), 0 8px 24px rgba(23,40,46,.05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1416; --card: #14232a; --card-2: #182c34;
    --ink: #e2ebec; --muted: #93a6ac; --line: #26383f;
    --a: #29a7b0; --ok: #4fb083; --warn: #d9a54e; --bad: #e07264;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 28px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5; -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: clamp(16px,3vw,36px); }
h1 { font-size: 22px; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }

/* header */
.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { color: var(--a); font-size: 26px; line-height: 1; }
.tagline { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.topmeta { display: flex; gap: 8px; align-items: center; }
.chip { font-size: 12px; font-weight: 700; letter-spacing: .05em; padding: 5px 11px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--muted); text-decoration: none; }
.chip.live { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); }
.chip.demo { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }
.chip.link { color: var(--a); }

/* banners */
.banner { margin-top: 16px; padding: 11px 15px; border-radius: 10px; font-size: 13.5px; background: color-mix(in srgb, var(--warn) 12%, var(--card)); border: 1px solid color-mix(in srgb, var(--warn) 35%, var(--line)); }
.banner.error { background: color-mix(in srgb, var(--bad) 12%, var(--card)); border-color: color-mix(in srgb, var(--bad) 35%, var(--line)); color: var(--ink); }
.hidden { display: none; }

/* status row */
.statusrow { display: flex; align-items: center; gap: 8px; margin: 18px 0 6px; font-size: 13.5px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--bad); }
.sep { color: var(--line); }

/* grid + cards */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 10px; }
@media (max-width: 720px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 18px 20px; }
.card-h { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }

/* pills */
.pill { font-size: 11.5px; font-weight: 700; letter-spacing: .04em; padding: 3px 10px; border-radius: 999px; background: var(--card-2); border: 1px solid var(--line); color: var(--muted); }
.pill.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); border-color: transparent; }
.pill.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 16%, transparent); border-color: transparent; }
.pill.bad { color: var(--bad); background: color-mix(in srgb, var(--bad) 15%, transparent); border-color: transparent; }

/* gauge */
.gauge { position: relative; width: 190px; height: 190px; margin: 4px auto 8px; }
.gauge-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gauge-track { fill: none; stroke: var(--line); stroke-width: 10; }
.gauge-arc { fill: none; stroke: var(--a); stroke-width: 10; stroke-linecap: round; transition: stroke-dashoffset .6s ease, stroke .3s; }
.gauge-arc.ok { stroke: var(--ok); } .gauge-arc.warn { stroke: var(--warn); } .gauge-arc.bad { stroke: var(--bad); } .gauge-arc.muted-arc { stroke: var(--muted); }
.gauge-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.gauge-center span { font-size: 44px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.gauge-center small { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.turb { text-align: center; }
.turb .card-h { text-align: left; }

/* cycle steps */
.bigstate { font-size: 26px; font-weight: 800; letter-spacing: -.02em; margin: 6px 0 14px; }
.steps { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.steps li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--muted); }
.steps li span { width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--line); flex: none; }
.steps li.active { color: var(--ink); font-weight: 600; }
.steps li.active span { border-color: var(--a); background: var(--a); box-shadow: 0 0 0 4px color-mix(in srgb, var(--a) 20%, transparent); }
.steps li.done span { border-color: var(--ok); background: var(--ok); }

/* actuators */
.actrow { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.actrow:last-of-type { border-bottom: none; }
.actinfo { display: flex; flex-direction: column; }
.actinfo strong { font-size: 14px; }
.acthint { font-size: 11.5px; color: var(--muted); }
.state { font-size: 12px; font-weight: 800; letter-spacing: .05em; padding: 3px 9px; border-radius: 7px; min-width: 42px; text-align: center; }
.state.on { color: #fff; background: var(--ok); }
.state.off { color: var(--muted); background: var(--card-2); border: 1px solid var(--line); }
.btns { display: flex; gap: 5px; }
.btns button { font: inherit; font-size: 12px; font-weight: 700; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--card-2); color: var(--muted); cursor: pointer; transition: all .12s; }
.btns button:hover { border-color: var(--a); color: var(--a); }
.btns button.sel { background: var(--a); border-color: var(--a); color: #fff; }
.btns button.flash { background: var(--a); color: #fff; }
.btns button:disabled { opacity: .5; cursor: default; }

/* soil zones */
.zones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: end; }
.zone { text-align: center; }
.zbar { height: 110px; width: 100%; max-width: 54px; margin: 0 auto; background: var(--card-2); border: 1px solid var(--line); border-radius: 8px; display: flex; align-items: flex-end; overflow: hidden; }
.zfill { width: 100%; background: var(--a); transition: height .5s ease; }
.zfill.dry { background: var(--warn); }
.zlab { margin-top: 6px; font-weight: 700; font-variant-numeric: tabular-nums; }
.zname { font-size: 11.5px; color: var(--muted); }

.foot { margin-top: 22px; color: var(--muted); font-size: 12.5px; text-align: center; }