:root{--bg:#f6f7f2;--ink:#243a2b;--green:#31563b;--line:#dde2d7;--muted:#707b69;--soft:#eef2e6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px Arial,Helvetica,sans-serif}button,input,select{font:inherit;color:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:7px;padding:10px 15px;display:inline-flex;align-items:center;justify-content:center;gap:8px}button:hover{background:var(--soft)}button:disabled{opacity:.45;cursor:not-allowed}a{color:var(--green)}:focus-visible{outline:3px solid #94aa55;outline-offset:4px}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#23432c}header{height:86px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:#fcfdf9}.brand{display:flex;align-items:center;gap:9px;font-size:31px;font-weight:700;letter-spacing:-1.5px;text-decoration:none}.brand svg{width:33px;fill:none;stroke:var(--green);stroke-width:1.8}.brand>span{font-size:10px;letter-spacing:1.7px;font-weight:400;border-left:1px solid #ccd3c6;padding-left:22px;margin-left:16px}.connection{font-size:12px;background:transparent}.connection i{width:7px;height:7px;background:#a7804c;border-radius:50%}.connection.online i{background:#537c45}main{max-width:1440px;margin:auto;padding:39px 5% 24px}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:600;color:#748164}h1{font:400 44px Georgia,serif;letter-spacing:-1.5px;margin:12px 0}p{line-height:1.55;color:var(--muted)}.heading p{margin:0}h2{font-size:17px;margin:0;font-weight:600}h3{font-size:15px;margin:0}.notice{padding:12px 16px;border:1px solid #dedfc9;background:#f0f1e4;border-radius:7px;font-size:12px;color:#65704d;line-height:1.5;margin-bottom:15px}.notice.error{background:#fbefe7;border-color:#ead4c3;color:#97502c}nav{display:flex;border-bottom:1px solid var(--line);gap:10px;margin:0 0 25px}nav a{padding:16px 17px;text-decoration:none;color:var(--muted);border-bottom:3px solid transparent;font-size:14px;white-space:nowrap}nav a[aria-current]{border-color:var(--green);color:var(--green);font-weight:600}.stats{display:grid;grid-template-columns:repeat(3,1fr) .95fr;gap:18px;margin-bottom:26px}.stats article{padding:19px 22px;border:1px solid var(--line);border-radius:9px;background:white}.stats article>span{font-size:13px;color:var(--muted)}.stats strong{display:block;font-size:32px;font-weight:400;margin:11px 0 7px}.stats small{font-size:11px;color:#86907e}.stats article.note{display:flex;align-items:center;gap:20px;background:#e9efdc;border:0}.note p{font:23px/1.4 Georgia,serif;color:#4a6040;margin:0}.stats article>.plant{font-size:48px;color:#708652}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:24px;align-items:start}.panel{border:1px solid var(--line);border-radius:10px;background:white;overflow:hidden}.panelhead{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:22px 24px;border-bottom:1px solid #e5e8e0}.panelhead p{font-size:12px;margin:6px 0 0}.pill{padding:6px 9px;border-radius:5px;font-size:11px;background:var(--soft);color:#61764c;white-space:nowrap}.sensor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:8px 24px}.sensor-card{padding:23px 12px 22px 0;border-bottom:1px solid #edf0e8;min-width:0}.sensor-card:nth-child(even){padding-left:24px;border-left:1px solid #edf0e8}.sensor-name{display:flex;align-items:center;gap:8px;color:#71815f;font-size:12px}.sensor-value{font-size:34px;letter-spacing:-1px;margin:12px 0}.sensor-value small{font-size:16px;letter-spacing:0;color:#8c967f}.sensor-meta{font-size:11px;color:#8b947f}.panel-footer{display:flex;justify-content:space-between;gap:12px;padding:17px 24px;color:#88917f;font-size:10px}.output-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;border-bottom:1px solid #edf0e8}.output-row p{font-size:11px;margin:6px 0 0}.output-icon{display:grid;place-items:center;width:35px;height:35px;border:1px solid var(--line);border-radius:8px;color:#84946d;flex-shrink:0}.output-description{flex:1;min-width:0;overflow-wrap:anywhere}.output-description h3{font-size:13px}.switch{width:40px;height:23px;border:0;border-radius:20px;background:#dce2d4;padding:3px;flex-shrink:0;justify-content:flex-start}.switch:before{content:'';height:17px;width:17px;background:white;border-radius:50%;box-shadow:0 1px 3px #0002}.switch[aria-checked=true]{background:var(--green)}.switch[aria-checked=true]:before{transform:translateX(17px)}.aside-note{margin:20px 24px 10px;background:#f5f6ef;padding:12px;font-size:11px;line-height:1.6;color:#7f886f;border-radius:6px}.text-link{display:block;padding:12px 24px 23px;text-decoration:none;font-size:12px}.trend-panel{margin-top:22px}.chart{padding:18px 24px 22px;background:linear-gradient(#fff,#f8faf3)}#chart-value{font-size:20px;margin-bottom:9px}#chart{width:100%;height:140px;display:block}.chart-labels{display:flex;justify-content:space-between;font-size:10px;color:#9aa38f}select,input{border:1px solid var(--line);border-radius:6px;padding:10px;background:#fcfdf9;max-width:100%;min-width:0}#chart-sensor{font-size:12px;max-width:180px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:28px 0 20px}.section-heading p{font-size:13px;margin:8px 0}.config-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.config-card{background:white;padding:24px;border:1px solid var(--line);border-radius:10px}.config-card h3{margin-bottom:20px}.config-card p{font-size:12px}.config-card label,dialog label{display:grid;gap:8px;font-size:12px;margin-bottom:16px}.config-card label.check{display:flex;align-items:center}.config-card label.check input{width:17px;height:17px}.config-card button{width:100%;margin-top:8px}.empty{padding:25px;color:var(--muted);font-size:13px;line-height:1.6;grid-column:1/-1}footer{display:flex;justify-content:space-between;color:#8a9482;font-size:11px;margin-top:28px}.api-help{margin-top:26px;font-size:11px;color:#8a9482;line-height:1.6}.api-help summary{cursor:pointer}.api-help p{max-width:850px}dialog{border:1px solid var(--line);border-radius:12px;padding:28px;width:440px;max-width:calc(100% - 32px);color:var(--ink)}dialog::backdrop{background:#172b2255}dialog p{font-size:13px}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}dialog small{color:var(--muted)}dialog .primary{width:100%}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:14px 22px;background:#243a2b;color:white;box-shadow:0 4px 25px #0002;border-radius:8px;max-width:90%;font-size:13px;z-index:5}[hidden]{display:none!important}@media(max-width:1050px){.stats{grid-template-columns:repeat(3,1fr)}.stats .note{display:none!important}.workspace{grid-template-columns:minmax(0,1fr) 285px}.brand>span{display:none}.config-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:730px){header{height:70px;padding:0 20px}.brand{font-size:26px}main{padding:28px 20px}h1{font-size:33px}.heading{align-items:start}.heading>button{font-size:12px;padding:9px}.heading p{font-size:13px}.eyebrow{font-size:8px}.workspace,.config-grid{grid-template-columns:1fr}.stats{gap:8px}.stats article{padding:15px 12px}.stats small{display:none}.stats article>span{font-size:11px}.stats strong{font-size:27px;margin-bottom:0}nav{gap:0;overflow-x:auto}nav a{padding:13px 10px;font-size:12px}.panelhead{padding:19px}.panelhead h2{font-size:15px}.panelhead p{font-size:11px}.sensor-grid{padding:5px 19px}.sensor-value{font-size:30px}.sensor-card:nth-child(even){padding-left:16px}.panel-footer{flex-wrap:wrap;padding:16px 19px}footer span:last-child{display:none}.connection{padding:8px;font-size:10px}#chart-sensor{max-width:120px}.notice{font-size:11px}}

/* OS theme palette. Native controls follow the system theme. */
:root{color-scheme:light}.header-actions{display:flex;align-items:center;gap:10px}
@media (prefers-color-scheme: dark){
:root:not([data-theme=light]){color-scheme:dark;--bg:#141c17;--ink:#e0e9dc;--green:#a6c98f;--line:#37473a;--muted:#afbaa6;--soft:#2b3b2b}
:root:not([data-theme=light]) header{background:#17211b}:root:not([data-theme=light]) .brand>span{border-color:var(--line)}
:root:not([data-theme=light]) button,:root:not([data-theme=light]) .panel,:root:not([data-theme=light]) .stats article,:root:not([data-theme=light]) .config-card,:root:not([data-theme=light]) dialog{background:#1d2920}
:root:not([data-theme=light]) button:hover{background:#30412e}:root:not([data-theme=light]) .primary{background:#486b3e;color:#f3f8ee;border-color:#648752}:root:not([data-theme=light]) .primary:hover{background:#557d49}
:root:not([data-theme=light]) input,:root:not([data-theme=light]) select{background:#17221b}:root:not([data-theme=light]) .stats article.note{background:#2b3b25}:root:not([data-theme=light]) .note p,:root:not([data-theme=light]) .stats article>.plant{color:#c1d4ac}
:root:not([data-theme=light]) .notice{background:#2e3623;border-color:#4a5537;color:#d0d8b6}:root:not([data-theme=light]) .notice.error{background:#412b23;border-color:#78503b;color:#f1c0a0}
:root:not([data-theme=light]) .pill{color:#c2d9ae}:root:not([data-theme=light]) .panelhead,:root:not([data-theme=light]) .sensor-card,:root:not([data-theme=light]) .output-row{border-color:var(--line)}
:root:not([data-theme=light]) .sensor-name,:root:not([data-theme=light]) .sensor-value small,:root:not([data-theme=light]) .sensor-meta,:root:not([data-theme=light]) .stats small,:root:not([data-theme=light]) .panel-footer,:root:not([data-theme=light]) .chart-labels,:root:not([data-theme=light]) footer,:root:not([data-theme=light]) .api-help,:root:not([data-theme=light]) .eyebrow,:root:not([data-theme=light]) .output-icon{color:var(--muted)}
:root:not([data-theme=light]) .aside-note{background:#263226;color:#b7c4a9}:root:not([data-theme=light]) .chart{background:linear-gradient(#1d2920,#202e22)}
:root:not([data-theme=light]) #chart path{stroke:#3a4939}:root:not([data-theme=light]) #chart polygon{fill:#2e432b}:root:not([data-theme=light]) #chart polyline{stroke:#a2c67e}:root:not([data-theme=light]) #chart text{fill:#afbaa6}
:root:not([data-theme=light]) .switch{background:#55614f}:root:not([data-theme=light]) .switch[aria-checked=true]{background:#84ad68}:root:not([data-theme=light]) .switch:before{background:#f2f6ee}
:root:not([data-theme=light]) #toast{background:#dbe8cd;color:#18231b}:root:not([data-theme=light]) dialog::backdrop{background:#070d09aa}
}

:root[data-theme=dark]{color-scheme:dark;--bg:#141c17;--ink:#e0e9dc;--green:#a6c98f;--line:#37473a;--muted:#afbaa6;--soft:#2b3b2b}
:root[data-theme=dark] header{background:#17211b}:root[data-theme=dark] .brand>span{border-color:var(--line)}
:root[data-theme=dark] button,:root[data-theme=dark] .panel,:root[data-theme=dark] .stats article,:root[data-theme=dark] .config-card,:root[data-theme=dark] dialog{background:#1d2920}
:root[data-theme=dark] button:hover{background:#30412e}:root[data-theme=dark] .primary{background:#486b3e;color:#f3f8ee;border-color:#648752}:root[data-theme=dark] .primary:hover{background:#557d49}
:root[data-theme=dark] input,:root[data-theme=dark] select{background:#17221b}:root[data-theme=dark] .stats article.note{background:#2b3b25}:root[data-theme=dark] .note p,:root[data-theme=dark] .stats article>.plant{color:#c1d4ac}
:root[data-theme=dark] .notice{background:#2e3623;border-color:#4a5537;color:#d0d8b6}:root[data-theme=dark] .notice.error{background:#412b23;border-color:#78503b;color:#f1c0a0}
:root[data-theme=dark] .pill{color:#c2d9ae}:root[data-theme=dark] .panelhead,:root[data-theme=dark] .sensor-card,:root[data-theme=dark] .output-row{border-color:var(--line)}
:root[data-theme=dark] .sensor-name,:root[data-theme=dark] .sensor-value small,:root[data-theme=dark] .sensor-meta,:root[data-theme=dark] .stats small,:root[data-theme=dark] .panel-footer,:root[data-theme=dark] .chart-labels,:root[data-theme=dark] footer,:root[data-theme=dark] .api-help,:root[data-theme=dark] .eyebrow,:root[data-theme=dark] .output-icon{color:var(--muted)}
:root[data-theme=dark] .aside-note{background:#263226;color:#b7c4a9}:root[data-theme=dark] .chart{background:linear-gradient(#1d2920,#202e22)}
:root[data-theme=dark] #chart path{stroke:#3a4939}:root[data-theme=dark] #chart polygon{fill:#2e432b}:root[data-theme=dark] #chart polyline{stroke:#a2c67e}:root[data-theme=dark] #chart text{fill:#afbaa6}
:root[data-theme=dark] .switch{background:#55614f}:root[data-theme=dark] .switch[aria-checked=true]{background:#84ad68}:root[data-theme=dark] .switch:before{background:#f2f6ee}
:root[data-theme=dark] #toast{background:#dbe8cd;color:#18231b}:root[data-theme=dark] dialog::backdrop{background:#070d09aa}@media(max-width:730px){.header-actions{gap:6px}}

#theme-toggle{font-size:12px;white-space:nowrap}@media(max-width:730px){#theme-toggle{font-size:10px;padding:8px}}
.config-card textarea{font:inherit;color:inherit;max-width:100%;width:100%;padding:10px;border:1px solid var(--line);border-radius:6px;background:var(--bg)}
@media(max-width:730px){.section-heading{flex-wrap:wrap;gap:12px}}
button.danger{color:#a13b32;border-color:#d8b8ad}button.danger:hover{background:#f8e9e4}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]) button.danger{color:#f1b19d;border-color:#805747}:root:not([data-theme=light]) button.danger:hover{background:#412b23}}
:root[data-theme=dark] button.danger{color:#f1b19d;border-color:#805747}:root[data-theme=dark] button.danger:hover{background:#412b23}
.section-heading .header-actions{flex-wrap:wrap}

.controller-runtime{padding:10px 12px;margin:0 0 16px;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:6px;background:var(--soft);color:var(--ink);font-size:13px;overflow-wrap:anywhere}
.controller-runtime[data-severity=unknown]{border-left-color:var(--muted);color:var(--muted)}
.controller-runtime[data-severity=warning]{border-left-color:#d99b24}
.controller-runtime[data-severity=error]{border-left-color:#e06558}

/* Cloud site: same local look, plus account, onboarding, and a thumb-friendly phone layout. */
html { -webkit-text-size-adjust: 100%; }
.header-actions { flex-wrap: wrap; justify-content: flex-end; }
#theme-toggle, #lang, #account-btn { font-size: 12px; white-space: nowrap; }
#account-menu { position: absolute; right: 5%; top: 78px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 8px; min-width: 200px; z-index: 6; box-shadow: 0 8px 30px #0001; }
#account-menu button { width: 100%; justify-content: flex-start; background: transparent; border: 0; border-radius: 7px; }
#account-menu button:hover { background: var(--soft); }
:root[data-theme=dark] #account-menu, :root:not([data-theme=light]) #account-menu { background: #1d2920; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) #account-menu { background: #1d2920; }
}
.banner { margin: 0 0 16px; }
main.page { max-width: 1440px; }
.auth-card, .onboard, .device-list, .alert-page { max-width: 560px; }
.onboard ol { margin: 0 0 20px; padding-left: 20px; color: var(--muted); line-height: 1.6; }
.onboard li { margin-bottom: 8px; }
.steps { display: flex; gap: 8px; margin-bottom: 18px; }
.steps span { flex: 1; text-align: center; font-size: 11px; padding: 8px 6px; border-radius: 6px; background: var(--soft); color: var(--muted); }
.steps span.current { background: var(--green); color: #fff; }
.status-line { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); margin: 0 0 16px; }
.status-line .dot { width: 9px; height: 9px; border-radius: 50%; background: #a7804c; flex-shrink: 0; }
.status-line .dot.on { background: #537c45; }
.device-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.device-toolbar select { min-width: 200px; }
.hint { font-size: 11px; color: var(--muted); margin: -8px 0 12px; }
.pending, .pending-fail { font-size: 12px; margin: 6px 0 0; }
.pending { color: #65704d; }
.pending-fail { color: #97502c; }
.switch { width: 52px; height: 32px; padding: 3px; }
.switch:before { height: 26px; width: 26px; }
.switch[aria-checked=true]:before { transform: translateX(20px); }
.readonly-line { font-size: 13px; margin: 0 0 12px; color: var(--ink); }
.readonly-line span { color: var(--muted); display: block; font-size: 11px; }
.controller-runtime { margin-top: 0; }
nav.device-nav { flex-wrap: nowrap; }
.cloud-footer { display: flex; justify-content: space-between; color: #8a9482; font-size: 11px; margin-top: 28px; }
#account-btn[hidden], #logout-fallback[hidden] { display: none !important; }
@media (max-width: 730px) {
  nav.device-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    margin: 0;
    padding: 4px 6px calc(8px + env(safe-area-inset-bottom));
    background: #fcfdf9;
    border-bottom: 0;
    border-top: 1px solid var(--line);
    justify-content: space-around;
    gap: 0;
  }
  nav.device-nav a {
    flex: 1;
    text-align: center;
    padding: 10px 4px 8px;
    border-bottom: 0;
    border-top: 3px solid transparent;
    font-size: 11px;
  }
  nav.device-nav a[aria-current] { border-bottom: 0; border-top-color: var(--green); }
  main { padding-bottom: 96px; }
  #account-menu { right: 16px; top: 66px; }
  footer.cloud-footer { margin-bottom: 12px; }
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) nav.device-nav { background: #17211b; }
}
:root[data-theme=dark] nav.device-nav { background: #17211b; }
@media (max-width: 730px) {
  header { height: auto; min-height: 70px; padding: 8px 16px; gap: 8px; }
  .header-actions { flex-wrap: nowrap; gap: 6px; }
  #theme-toggle, #lang, #account-btn { font-size: 10px; padding: 8px 8px; }
  #account-menu { top: 70px; }
}

/* 0.6.0: getting started, device status, offline controls, print card. */
.start-link, #account-menu a {
  color: var(--ink);
  text-decoration: none;
  font-size: 12px;
  white-space: nowrap;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 7px;
  padding: 10px 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.start-link:hover, #account-menu a:hover { background: var(--soft); }
#account-menu a { width: 100%; justify-content: flex-start; background: transparent; border: 0; }
.start-home { padding: 10px 15px; }
.start-cta { display: inline-flex; margin-top: 8px; text-decoration: none; padding: 12px 18px; border-radius: 7px; }
.start-steps { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 14px; }
.start-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
}
.step-num {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--green); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 18px;
}
.start-steps h2 { margin: 2px 0 8px; }
.start-steps p, .start-body p { margin: 0 0 8px; }
.start-section { margin: 0 0 20px; }
.start-body { padding: 8px 24px 22px; }
.start-body h3 { margin: 16px 0 6px; }
.start-foot { margin: 8px 0 0; }
.claim-box {
  margin: 0 24px 24px;
  padding: 18px;
  border: 1px dashed var(--green);
  border-radius: 10px;
  font: 400 32px/1 Georgia, serif;
  letter-spacing: 4px;
  text-align: center;
}
.checklist { margin: 0 0 20px; }
.checklist ol { margin: 0 0 12px; padding-left: 22px; }
.device-meta { margin: 0 0 16px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.device-meta h2 { margin-bottom: 10px; }
.device-meta dl { margin: 0; display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 6px 12px; font-size: 13px; }
.device-meta dt { color: var(--muted); }
.device-meta dd { margin: 0; overflow-wrap: anywhere; }
.device-meta a { font-weight: 600; }
.offline-banner { margin: 0 0 16px; }
form.is-offline input, form.is-offline select, form.is-offline button, .is-offline .switch { pointer-events: none; }
.controller-runtime[data-severity=warn], .controller-runtime[data-severity=warning] { border-left-color: #d99b24; }
.print-code { display: none; }
@media (max-width: 730px) {
  .start-link, #theme-toggle, #lang, #account-btn { font-size: 10px; padding: 8px; }
  .start-steps li { grid-template-columns: 36px minmax(0, 1fr); padding: 16px; }
  .step-num { width: 36px; height: 36px; font-size: 16px; }
  .device-meta dl { grid-template-columns: 1fr; gap: 2px 0; }
  .device-meta dt { margin-top: 8px; }
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) .start-steps li,
  :root:not([data-theme=light]) .device-meta,
  :root:not([data-theme=light]) .start-link { background: #1d2920; }
}
:root[data-theme=dark] .start-steps li,
:root[data-theme=dark] .device-meta,
:root[data-theme=dark] .start-link { background: #1d2920; }
@media print {
  header { height: auto; padding: 0 0 12px; background: #fff; }
  .header-actions, .no-print, #theme-toggle, footer.cloud-footer, .start-cta { display: none !important; }
  .print-code, .print-code.no-screen { display: block !important; }
  body, main { background: #fff; color: #243a2b; }
  main.page { max-width: none; padding: 0; }
  .start-steps li, .start-section, .print-code { break-inside: avoid; box-shadow: none; }
  .brand>span { display: inline; }
  a { color: inherit; text-decoration: none; }
}