:root { --bg:#0b1020; --panel:#141b2e; --line:#263248; --txt:#e2e8f0; --accent:#22d3ee; --danger:#ef4444; }
* { box-sizing:border-box; }
body { font-family: system-ui, sans-serif; margin:0; background:
  radial-gradient(1200px 600px at 50% -10%, #16233f 0%, var(--bg) 60%); color:var(--txt); min-height:100vh; }

.topbar { display:flex; gap:12px; align-items:center; padding:14px 22px; border-bottom:1px solid var(--line); }
.brand { font-weight:700; letter-spacing:.5px; display:flex; align-items:center; gap:8px; }
.brand small { color:#7c8aa5; font-weight:500; }
.brand .dot { width:10px; height:10px; border-radius:50%; background:var(--accent); box-shadow:0 0 12px var(--accent); }
.badge { margin-left:auto; font-size:12px; padding:3px 10px; border-radius:999px; border:1px solid var(--line); }
.badge.online { color:#22c55e; border-color:#22c55e55; } .badge.offline { color:var(--danger); border-color:#ef444455; }
.dev { color:#64748b; font-size:12px; }

.dash { max-width:760px; margin:0 auto; padding:28px 20px 60px; }
.engine-card { background:linear-gradient(180deg,var(--panel),#0f1626); border:1px solid var(--line);
  border-radius:20px; padding:34px 24px; text-align:center; box-shadow:0 20px 60px #0006; }
.engine-state { font-size:15px; letter-spacing:3px; color:#7c8aa5; text-transform:uppercase; }
body.running .engine-state { color:var(--accent); text-shadow:0 0 18px #22d3ee88; }
.countdown { font-size:44px; font-weight:800; font-variant-numeric:tabular-nums; min-height:52px; margin-top:4px; }

.start-btn { position:relative; width:190px; height:190px; margin:14px auto 6px; display:block; border-radius:50%;
  border:none; cursor:pointer; font-size:30px; font-weight:800; letter-spacing:2px; color:#04121a;
  background:radial-gradient(circle at 50% 35%, #67e8f9, var(--accent)); box-shadow:0 0 0 6px #22d3ee22, 0 0 60px #22d3ee66;
  transition:transform .1s ease, box-shadow .3s ease; }
.start-btn:hover { transform:translateY(-2px); }
.start-btn:active { transform:scale(.97); }
.start-btn:disabled { filter:grayscale(.7) brightness(.6); cursor:not-allowed; box-shadow:none; }
.start-btn.on { color:#fff; background:radial-gradient(circle at 50% 35%, #fb7185, var(--danger));
  box-shadow:0 0 0 6px #ef444422, 0 0 70px #ef4444aa; animation:pulse 1.4s infinite; }
@keyframes pulse { 0%,100%{ box-shadow:0 0 0 6px #ef444422,0 0 50px #ef444488; } 50%{ box-shadow:0 0 0 10px #ef444411,0 0 90px #ef4444cc; } }

.warmup-row { margin-top:16px; color:#9fb0cc; font-size:14px; }
.warmup-row input { width:80px; margin-left:8px; padding:7px 10px; border-radius:10px; border:1px solid var(--line);
  background:#0c1322; color:var(--txt); text-align:center; font-size:15px; }
.voice-row { margin-top:18px; display:flex; gap:12px; align-items:center; justify-content:center; }
.voice-btn { padding:10px 16px; border-radius:12px; border:1px solid var(--line); background:#0c1322; color:var(--txt);
  cursor:pointer; font-size:14px; }
.voice-btn.listening { border-color:var(--accent); box-shadow:0 0 16px #22d3ee66; color:var(--accent); }
.voice-btn:disabled { opacity:.5; cursor:not-allowed; }
.voice-hint { color:#7c8aa5; font-size:12px; }

.auth-gate { position:fixed; inset:0; z-index:999; display:flex; align-items:center; justify-content:center;
  background:rgba(6,10,20,.88); backdrop-filter:blur(6px); }
.auth-box { width:300px; background:linear-gradient(180deg,var(--panel),#0f1626); border:1px solid var(--line);
  border-radius:18px; padding:28px 24px; text-align:center; box-shadow:0 20px 60px #0008; }
.auth-title { font-size:22px; font-weight:800; letter-spacing:1px; }
.auth-sub { color:#9fb0cc; font-size:13px; margin:6px 0 16px; }
.auth-box input { width:100%; padding:11px 12px; border-radius:10px; border:1px solid var(--line);
  background:#0c1322; color:var(--txt); font-size:15px; margin-bottom:12px; }
.auth-box .btn { width:100%; padding:11px; font-size:15px; }
.auth-msg { color:var(--danger); font-size:12px; min-height:16px; margin-top:10px; }

.card-title { font-size:15px; font-weight:700; margin:0 0 14px; color:#cdd8ec; letter-spacing:.3px; }
.sched-card, .hist-card { margin-top:18px; background:linear-gradient(180deg,var(--panel),#0f1626);
  border:1px solid var(--line); border-radius:16px; padding:20px; }
.sched-add { display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.sched-add input[type=time], .sched-add input[type=number] { padding:8px 10px; border-radius:10px;
  border:1px solid var(--line); background:#0c1322; color:var(--txt); font-size:15px; }
.sched-add input[type=number] { width:64px; text-align:center; }
.sched-add label { color:#9fb0cc; font-size:14px; display:flex; gap:6px; align-items:center; }
.btn { padding:9px 16px; border-radius:10px; border:none; cursor:pointer; font-weight:700;
  background:radial-gradient(circle at 50% 30%, #67e8f9, var(--accent)); color:#04121a; }
.btn:hover { filter:brightness(1.08); }

.sched-list, .hist-list { list-style:none; margin:14px 0 0; padding:0; display:flex; flex-direction:column; gap:8px; }
.empty { color:#64748b; font-size:13px; padding:6px 2px; }
.sched-item { display:flex; align-items:center; gap:12px; padding:10px 12px; border:1px solid var(--line);
  border-radius:10px; background:#0c1322; }
.sched-item.off { opacity:.5; }
.sched-time { font-size:20px; font-weight:800; font-variant-numeric:tabular-nums; }
.sched-dur { color:#9fb0cc; font-size:13px; }
.sched-toggle { margin-left:auto; padding:5px 12px; border-radius:8px; border:1px solid var(--line);
  background:#132038; color:var(--accent); cursor:pointer; font-weight:700; font-size:12px; }
.sched-item.off .sched-toggle { color:#64748b; }
.sched-del { padding:5px 10px; border-radius:8px; border:1px solid #ef444455; background:transparent;
  color:var(--danger); cursor:pointer; font-size:13px; }

.hist-item { display:flex; align-items:center; gap:12px; padding:8px 12px; border-bottom:1px solid var(--line); }
.hist-item:last-child { border-bottom:none; }
.hist-badge { font-size:11px; font-weight:700; padding:3px 9px; border-radius:999px; border:1px solid var(--line); }
.src-schedule { color:var(--accent); border-color:#22d3ee55; }
.src-voice { color:#a78bfa; border-color:#a78bfa55; }
.src-manual { color:#9fb0cc; }
.hist-when { color:#cdd8ec; font-size:13px; font-variant-numeric:tabular-nums; }
.hist-dur { margin-left:auto; color:#7c8aa5; font-size:12px; }

.ai-card { margin-top:18px; background:linear-gradient(180deg,var(--panel),#0f1626);
  border:1px solid var(--line); border-radius:16px; padding:20px; }
.ai-log { display:flex; flex-direction:column; gap:8px; max-height:320px; overflow-y:auto;
  padding:4px 2px 12px; }
.ai-msg { padding:9px 13px; border-radius:14px; font-size:14px; line-height:1.4; max-width:85%;
  white-space:pre-wrap; word-wrap:break-word; }
.ai-bot { align-self:flex-start; background:#132038; border:1px solid var(--line); color:var(--txt);
  border-bottom-left-radius:4px; }
.ai-me { align-self:flex-end; background:radial-gradient(circle at 30% 30%, #67e8f9, var(--accent));
  color:#04121a; font-weight:600; border-bottom-right-radius:4px; }
.ai-input { display:flex; gap:8px; margin-top:6px; }
.ai-input input { flex:1; padding:11px 13px; border-radius:12px; border:1px solid var(--line);
  background:#0c1322; color:var(--txt); font-size:15px; }
.ai-btn { padding:0 14px; border-radius:12px; border:1px solid var(--line); background:#0c1322;
  color:var(--txt); cursor:pointer; font-size:16px; }
.ai-btn.listening { border-color:var(--accent); box-shadow:0 0 16px #22d3ee66; color:var(--accent); }
.ai-send { border:none; font-weight:700; font-size:14px; color:#04121a;
  background:radial-gradient(circle at 50% 30%, #67e8f9, var(--accent)); }
.ai-send:disabled { filter:grayscale(.6) brightness(.7); cursor:not-allowed; }

.advanced { margin-top:26px; border:1px solid var(--line); border-radius:14px; background:#0e1524; }
.advanced summary { cursor:pointer; padding:14px 18px; font-weight:600; color:#9fb0cc; }
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:10px; padding:16px; }
.pin { background:#141b2e; border:1px solid var(--line); border-radius:8px; padding:10px; }
.pin.warn { border-color:#eab308; }
.gpio { font-weight:600; font-size:13px; margin-bottom:6px; }
select, .pin button, input[type=range] { width:100%; }
.pin button { padding:6px; cursor:pointer; }
.reading { font-size:20px; font-weight:700; }