*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--surface: #1e293b;--surface2: #334155;--border: #475569;--text: #f1f5f9;--text-muted:#94a3b8;--accent: #38bdf8;--accent-dim:#0ea5e9;--success: #4ade80;--warning: #fb923c;--danger: #f87171;--radius: 12px;--radius-sm: 8px}html,body,#root{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased}.splash{display:flex;align-items:center;justify-content:center;height:100%}.spinner{width:36px;height:36px;border:3px solid var(--surface2);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.page{min-height:100%;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.container{max-width:480px;margin:0 auto;padding:16px}.header{display:flex;align-items:center;justify-content:space-between;padding:20px 16px 8px;padding-top:calc(20px + env(safe-area-inset-top))}.header h1{font-size:1.25rem;font-weight:700;color:var(--text)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}.card-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:12px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.stat{background:var(--surface2);border-radius:var(--radius-sm);padding:12px}.stat-label{font-size:.7rem;color:var(--text-muted);margin-bottom:4px}.stat-value{font-size:1.1rem;font-weight:600;color:var(--text)}.stat-value.accent{color:var(--accent)}.stat-value.success{color:var(--success)}.stat-value.warning{color:var(--warning)}.stat-value.danger{color:var(--danger)}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.toggle-label{font-size:1rem;font-weight:500}.toggle{position:relative;width:52px;height:30px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0}.toggle-track{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--surface2);border-radius:999px;cursor:pointer;transition:background .2s}.toggle input:checked+.toggle-track{background:var(--accent-dim)}.toggle-track:after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;background:#fff;border-radius:50%;transition:transform .2s}.toggle input:checked+.toggle-track:after{transform:translate(22px)}.thermostat-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--surface2)}.thermostat-row:last-child{border-bottom:none}.thermostat-room{font-weight:500}.thermostat-temps{display:flex;gap:12px;font-size:.9rem}.temp-actual{color:var(--accent);font-weight:600}.temp-target{color:var(--text-muted)}.battery{font-size:.75rem;color:var(--text-muted);min-width:40px;text-align:right}.battery.low{color:var(--danger)}.login-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;padding:32px 24px;text-align:center}.login-icon{font-size:3rem;margin-bottom:16px}.login-page h1{font-size:1.5rem;font-weight:700;margin-bottom:8px}.login-page p{color:var(--text-muted);margin-bottom:40px;line-height:1.5}.btn-google{display:flex;align-items:center;gap:12px;padding:14px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:1rem;font-weight:500;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s;-webkit-tap-highlight-color:transparent}.btn-google:active{background:var(--surface2)}.btn-icon{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:8px;border-radius:var(--radius-sm);font-size:1rem;-webkit-tap-highlight-color:transparent}.btn-icon:active{background:var(--surface2)}.section{margin-bottom:16px}.confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:flex-end;z-index:100;animation:fade-in .15s ease}.confirm-sheet{width:100%;background:var(--surface);border-top:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0;padding:24px 20px calc(24px + env(safe-area-inset-bottom));animation:slide-up .2s ease}.confirm-text{font-size:1rem;text-align:center;color:var(--text);margin-bottom:20px;line-height:1.5}.confirm-actions{display:flex;gap:10px}.btn-cancel,.btn-confirm{flex:1;padding:14px;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;-webkit-tap-highlight-color:transparent}.btn-cancel{background:var(--surface2);color:var(--text-muted)}.btn-confirm{background:var(--accent-dim);color:#fff}.btn-cancel:active,.btn-confirm:active{opacity:.7}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}