:root{
  --bg:#0f1115; --panel:#1a1d24; --panel2:#22262f; --line:#2c313c;
  --text:#e8eaed; --muted:#9aa3b2; --accent:#ff7a18;
  --ok:#1f8f4e; --ok-bg:#11331f; --breach:#d23b3b; --breach-bg:#3a1414;
  --stale:#8a6d1f; --stale-bg:#332a10; --wait:#3a3f4b;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;}
.topbar{display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10;}
.brand{font-weight:700;font-size:18px}
.brand .sub{color:var(--muted);font-weight:400;font-size:13px;margin-left:6px}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:15px}
nav a:hover{color:var(--text)}
main{max-width:1000px;margin:0 auto;padding:20px}
h2{margin:24px 0 12px}
.muted{color:var(--muted);font-weight:400;font-size:14px}
.empty{color:var(--muted);padding:16px 0}
a{color:var(--accent)}

/* recording panel */
.record-panel{display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;padding:20px;border-radius:14px;border:1px solid var(--line);
  background:var(--panel);}
.record-panel.on{border-color:var(--ok);background:linear-gradient(180deg,#13251a,#1a1d24)}
.record-panel.off{border-color:var(--line)}
.record-state{display:flex;align-items:center;gap:14px}
.dot{width:16px;height:16px;border-radius:50%}
.dot.live{background:var(--ok);box-shadow:0 0 0 0 rgba(31,143,78,.7);animation:pulse 1.6s infinite}
.dot.idle{background:#555}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(31,143,78,.6)}70%{box-shadow:0 0 0 12px rgba(31,143,78,0)}100%{box-shadow:0 0 0 0 rgba(31,143,78,0)}}
.record-label{font-weight:800;letter-spacing:1px;font-size:13px;color:var(--muted)}
.record-fest{font-size:22px;font-weight:700}
.record-meta{color:var(--muted);font-size:13px;margin-top:2px}
.breach-text{color:#ff8080;font-weight:700}
.start-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.start-form input[type=text]{min-width:240px}

/* inputs & buttons */
input,select{background:var(--panel2);color:var(--text);border:1px solid var(--line);
  border-radius:8px;padding:9px 11px;font-size:14px}
input[type=number]{width:80px}
button{cursor:pointer;border:none;border-radius:8px;font-weight:700;font-size:14px;padding:10px 16px}
.btn-start{background:var(--ok);color:#fff}
.btn-stop{background:var(--breach);color:#fff}
.btn-small{background:var(--panel2);color:var(--text);border:1px solid var(--line);
  padding:6px 10px;font-size:13px;text-decoration:none;border-radius:6px;display:inline-block}
.btn-small.danger{color:#ff8080}
label{color:var(--muted);font-size:13px}

/* fridge grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.card{border-radius:14px;padding:16px;border:1px solid var(--line);background:var(--panel)}
.card-name{font-weight:700;font-size:16px;margin-bottom:6px}
.card-temp{font-size:40px;font-weight:800;line-height:1}
.card-temp .deg{font-size:18px;font-weight:600;color:var(--muted);margin-left:2px}
.card-range{color:var(--muted);font-size:12px;margin:6px 0}
.card-foot{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:8px}
.pill{background:var(--panel2);border:1px solid var(--line);border-radius:20px;
  padding:2px 9px;font-size:11px;color:var(--muted)}
.status-word{margin-left:auto;text-transform:uppercase;font-size:11px;font-weight:700;letter-spacing:.5px}
.state-ok{border-color:var(--ok)}
.state-ok .status-word{color:#5fd58c}
.state-breach{border-color:var(--breach);background:var(--breach-bg)}
.state-breach .status-word{color:#ff8080}
.state-stale{border-color:var(--stale);background:var(--stale-bg)}
.state-stale .status-word{color:#e0c25a}
.state-waiting .status-word,.state-no_sensor .status-word{color:var(--muted)}

/* tables */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;margin:14px 0}
.panel h3{margin:0 0 12px}
.row-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.hint{color:var(--muted);font-size:13px;margin-top:10px}
.tbl{width:100%;border-collapse:collapse;margin-top:8px}
.tbl th,.tbl td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);font-size:14px}
.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.tbl .actions{display:flex;gap:6px}
.tbl.log td{font-variant-numeric:tabular-nums}
.breach-row{background:var(--breach-bg)}
.active-row{background:#13251a}
.live-pill{color:#5fd58c;border-color:var(--ok)}

/* cloud sync bar */
.sync-bar{display:flex;align-items:center;gap:10px;margin-top:16px;padding:9px 14px;
  border-radius:10px;background:var(--panel);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.sync-dot{width:10px;height:10px;border-radius:50%}
.sync-dot.ok{background:var(--ok)}
.sync-dot.pending{background:var(--stale);box-shadow:0 0 0 0 rgba(138,109,31,.6);animation:pulse 1.6s infinite}

/* flash */
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:14px}
.flash.ok{background:var(--ok-bg);border:1px solid var(--ok);color:#9fe9bd}
.flash.error{background:var(--breach-bg);border:1px solid var(--breach);color:#ffb3b3}