:root{
 --bg:#0a0f15;--surface:#111821;--surface2:#161f2a;--surface3:#1b2734;--border:#273342;
 --text:#eef3f8;--muted:#8e9bad;--primary:#5aa7ff;--primary-strong:#3789ee;
 --success:#46d47e;--warning:#f1bb4b;--danger:#ff646d;--shadow:0 20px 60px rgba(0,0,0,.24);
 --radius:18px;
}
[data-theme="light"]{--bg:#f2f5f9;--surface:#fff;--surface2:#f7f9fc;--surface3:#eef3f8;--border:#dce4ed;--text:#18212c;--muted:#667487;--shadow:0 18px 45px rgba(25,42,62,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100%;background:radial-gradient(circle at 12% 0,rgba(90,167,255,.08),transparent 28%),var(--bg);color:var(--text);font:14px/1.5 Inter,Segoe UI,system-ui,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}
.hc-app{min-height:100vh}.hc-sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(18px);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;z-index:100}.hc-brand{display:flex;align-items:center;gap:11px;padding:7px 10px 25px}.hc-logo{font-size:28px;color:var(--primary)}.hc-brand strong{display:block;letter-spacing:1.7px}.hc-brand small{display:block;font-size:10px;color:var(--muted);margin-top:2px}.hc-nav{display:flex;flex-direction:column;gap:4px}.hc-nav-label{font-size:9px;letter-spacing:1.6px;color:var(--muted);font-weight:800;padding:17px 11px 6px}.hc-nav a,.hc-side-item{border:0;background:transparent;display:flex;align-items:center;gap:11px;color:var(--muted);padding:10px 11px;border-radius:11px;cursor:pointer;transition:.2s}.hc-nav a:hover,.hc-nav a.active,.hc-side-item:hover{background:var(--surface2);color:var(--text)}.hc-nav a.active{box-shadow:inset 3px 0 var(--primary);color:var(--primary);font-weight:700}.hc-sidebar-bottom{margin-top:auto;border-top:1px solid var(--border);padding-top:11px;display:flex;flex-direction:column;gap:4px}.hc-side-item{width:100%;text-align:left;font-size:13px}.hc-side-item:hover{color:var(--primary)}
.hc-main{margin-left:250px;width:calc(100% - 250px);max-width:1640px;padding:27px 34px 28px}.hc-topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.hc-topbar h1{margin:4px 0 2px;font-size:28px}.hc-topbar p{margin:0;color:var(--muted)}.hc-eyebrow{font-size:9px;letter-spacing:1.6px;color:var(--muted);font-weight:800}.hc-top-actions{display:flex;gap:9px;align-items:center}.hc-live{padding:8px 12px;border:1px solid var(--border);background:var(--surface);border-radius:999px;color:var(--success);font-weight:700;font-size:11px}.hc-live i{display:inline-block;width:7px;height:7px;background:var(--success);border-radius:50%;margin-right:7px}.hc-clock{color:var(--muted);font-variant-numeric:tabular-nums}
.hc-hero{margin-top:24px;padding:27px;background:linear-gradient(135deg,var(--surface),var(--surface2));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:end;gap:20px}.hc-hero h2{margin:3px 0 4px;font-size:25px}.hc-hero p{margin:0;color:var(--muted)}.hc-section{margin-top:18px}.hc-grid{display:grid;gap:14px}.hc-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.hc-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.hc-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.hc-card,.hc-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.hc-card{padding:18px}.hc-card-link{transition:transform .2s,border-color .2s}.hc-card-link:hover{transform:translateY(-2px);border-color:#385067}.hc-panel{padding:20px}.hc-panel-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.hc-panel h2,.hc-panel h3{margin:3px 0;font-size:18px}.hc-muted{color:var(--muted)}
.hc-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:15px}.hc-metric span{font-size:9px;letter-spacing:1.4px;color:var(--muted);font-weight:800}.hc-metric strong{display:block;font-size:30px;margin:5px 0}.hc-meter{height:5px;background:var(--surface3);border-radius:99px;overflow:hidden;margin-top:13px}.hc-meter i{display:block;height:100%;width:0;background:var(--primary);transition:width .4s}
.hc-status{display:inline-flex;align-items:center;gap:7px;padding:6px 9px;border-radius:999px;font-size:10px;font-weight:750}.hc-status.on{color:var(--success);background:rgba(70,212,126,.1)}.hc-status.off{color:var(--muted);background:var(--surface2)}.hc-status.warn{color:var(--warning);background:rgba(241,187,75,.1)}.hc-status.danger{color:var(--danger);background:rgba(255,100,109,.1)}
.hc-room-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.hc-room{position:relative;padding:19px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);transition:.2s}.hc-room:hover{transform:translateY(-2px);border-color:#385067}.hc-room-icon{width:45px;height:45px;border-radius:13px;background:var(--surface2);display:grid;place-items:center;margin-bottom:14px}.hc-room-icon img{width:25px;height:25px}.hc-room h3{margin:0;font-size:17px}.hc-room-temp{font-size:24px;font-weight:800;margin:7px 0 1px}.hc-room-info{font-size:11px;color:var(--muted)}.hc-room-arrow{position:absolute;right:18px;bottom:16px;color:var(--muted)}
.hc-device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.hc-device{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.hc-device-top{display:flex;justify-content:space-between;gap:12px}.hc-device-info{display:flex;gap:12px;align-items:center}.hc-device-icon{width:44px;height:44px;display:grid;place-items:center;background:var(--surface2);border-radius:12px;border:1px solid var(--border)}.hc-device-icon img{width:24px;height:24px}.hc-device-name{font-weight:800}.hc-device-desc{font-size:11px;color:var(--muted);margin-top:2px}.hc-device-actions{margin-top:15px;display:flex;gap:7px;flex-wrap:wrap}.hc-btn{border:1px solid var(--border);background:var(--surface2);color:var(--text);padding:8px 11px;border-radius:9px;cursor:pointer}.hc-btn:hover{border-color:#48637f}.hc-btn.primary{background:var(--primary);border-color:var(--primary);color:#07121e;font-weight:800}.hc-btn.success{color:var(--success);background:rgba(70,212,126,.08);border-color:rgba(70,212,126,.22)}.hc-btn.danger{color:var(--danger);background:rgba(255,100,109,.08);border-color:rgba(255,100,109,.22)}.hc-btn:disabled{opacity:.45;cursor:not-allowed}
.hc-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:15px 0}.hc-summary-card{padding:15px 17px;background:var(--surface);border:1px solid var(--border);border-radius:15px}.hc-summary-card strong{font-size:24px;display:block}.hc-summary-card span{font-size:11px;color:var(--muted)}.hc-back{display:inline-flex;margin-top:17px;color:var(--muted);font-size:12px}.hc-back:hover{color:var(--text)}
.hc-info-list{display:grid;gap:8px}.hc-info-row{display:flex;justify-content:space-between;gap:15px;padding:12px 13px;background:var(--surface2);border:1px solid var(--border);border-radius:11px}.hc-info-row span:first-child{color:var(--muted)}.hc-info-row span:last-child{font-weight:700}.hc-list{display:grid;gap:9px}.hc-progress-row{display:grid;grid-template-columns:90px 1fr 60px;gap:12px;align-items:center;padding:12px 13px;background:var(--surface2);border:1px solid var(--border);border-radius:11px}.hc-progress{height:8px;background:var(--bg);border-radius:99px;overflow:hidden}.hc-progress i{display:block;height:100%;background:var(--primary);width:0}.hc-temp-row{display:flex;justify-content:space-between;gap:10px;padding:12px 13px;background:var(--surface2);border:1px solid var(--border);border-radius:11px}.hc-temp-row strong{font-size:16px}.hc-smart-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:13px}.hc-smart-cell{padding:11px;background:var(--surface2);border-radius:10px}.hc-smart-cell span{display:block;color:var(--muted);font-size:9px;margin-bottom:3px}.hc-smart-cell strong{font-size:12px}.hc-chip{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:10px;font-weight:800}
.hc-empty{padding:22px;border:1px dashed var(--border);border-radius:12px;color:var(--muted);text-align:center}.hc-range{width:100%}.hc-range input{width:100%}.hc-room-controls{display:flex;gap:8px;flex-wrap:wrap}.hc-mode-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.hc-mode.active{border-color:var(--primary);background:rgba(90,167,255,.1);color:var(--primary)}.hc-schedule-row{display:grid;grid-template-columns:110px 1fr 1fr 120px;gap:10px;align-items:center;padding:10px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:10px}.hc-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.hc-field label{display:block;color:var(--muted);font-size:10px;margin-bottom:6px}.hc-field input,.hc-field select{width:100%;padding:10px;border:1px solid var(--border);border-radius:9px;background:var(--surface2);color:var(--text)}
.hc-footer{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;padding:20px 3px}.hc-notice{padding:12px 14px;border-radius:11px;background:rgba(90,167,255,.08);border:1px solid rgba(90,167,255,.18);color:var(--muted);font-size:11px}.hc-danger-zone{border-color:rgba(255,100,109,.2)}
.login-page{min-height:100vh;display:grid;place-items:center;background:var(--bg);padding:20px}.login-card{width:min(410px,100%);background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:34px;box-shadow:var(--shadow)}.login-brand{font-size:34px;color:var(--primary)}.login-card h1{margin:8px 0 2px}.login-card p{margin:0 0 20px;color:var(--muted)}.login-card label{display:block;margin:15px 0 7px;color:var(--muted);font-size:11px}.login-card input{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--surface2);color:var(--text);outline:none}.login-card input:focus{border-color:var(--primary)}.login-card .hc-btn{width:100%;margin-top:15px}.login-error{padding:10px;border-radius:9px;background:rgba(255,100,109,.1);color:var(--danger);font-size:11px}
@media(max-width:1120px){.hc-metrics,.hc-grid-4{grid-template-columns:repeat(2,1fr)}.hc-room-grid,.hc-device-grid{grid-template-columns:repeat(2,1fr)}.hc-smart-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:820px){.hc-sidebar{width:72px;padding:15px 8px}.hc-brand{justify-content:center}.hc-brand span:last-child,.hc-nav span,.hc-nav-label,.hc-sidebar-bottom span{display:none}.hc-nav a,.hc-side-item{justify-content:center}.hc-main{margin-left:72px;width:calc(100% - 72px);padding:18px}.hc-topbar{align-items:flex-start}.hc-topbar h1{font-size:22px}.hc-hero{align-items:flex-start;flex-direction:column}.hc-grid-2,.hc-room-grid,.hc-device-grid,.hc-form-grid{grid-template-columns:1fr}.hc-summary{grid-template-columns:repeat(2,1fr)}.hc-mode-grid{grid-template-columns:repeat(2,1fr)}.hc-schedule-row{grid-template-columns:1fr 1fr}.hc-footer{flex-direction:column;gap:6px}}

/* HOMECORE V2 */
.hc-card-link{position:relative;display:block}.hc-arrow{position:absolute;right:18px;bottom:16px;color:var(--muted);font-size:18px}.hc-nav-label{margin-top:2px}.hc-logout:hover{color:var(--danger)}
.hc-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.hc-form-grid label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:11px;font-weight:650}.hc-form-grid input,.hc-form-grid select{height:42px;padding:0 12px;border-radius:10px;border:1px solid var(--border);background:var(--surface2);color:var(--text);outline:none}.hc-form-grid input:focus,.hc-form-grid select:focus{border-color:var(--primary)}.hc-form-grid>div{display:flex;align-items:end}.hc-notice{padding:11px 13px;border-radius:10px;margin-top:13px;font-size:11px}.hc-notice.success{background:rgba(66,212,126,.1);color:var(--success)}.hc-notice.danger{background:rgba(255,98,98,.1);color:var(--danger)}.hc-field{margin-top:12px}.hc-field label{display:block;color:var(--muted);font-size:10px;margin-bottom:6px}.hc-field input[type=range]{width:100%}.hc-field small{display:block;margin-top:4px}.hc-progress-row{display:grid;grid-template-columns:minmax(110px,.5fr) 1.6fr auto;align-items:center;gap:13px}.hc-progress{height:8px;background:var(--surface3);border-radius:999px;overflow:hidden}.hc-progress i{height:100%;display:block;background:var(--primary);border-radius:inherit}.hc-status.off{color:var(--muted)}.hc-status.danger{color:var(--danger)}.hc-info-row small,.hc-temp-row small{display:block;color:var(--muted);font-weight:400;font-size:10px;margin-top:2px}.hc-temp-row{display:flex;justify-content:space-between;gap:14px;padding:12px 13px;background:var(--surface2);border:1px solid var(--border);border-radius:11px}.hc-smart-cell span{display:block;font-size:9px;color:var(--muted);margin-bottom:3px}.hc-smart-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}.hc-toast{position:fixed;right:22px;bottom:22px;background:var(--text);color:var(--surface);padding:11px 14px;border-radius:10px;z-index:9999;font-size:11px;box-shadow:var(--shadow)}.login-home{display:block;text-align:left;color:var(--muted);font-size:11px;margin-bottom:18px}.login-home:hover{color:var(--primary)}.login-info{padding:10px;border-radius:9px;background:rgba(90,168,255,.1);color:var(--primary);font-size:11px;margin-bottom:12px}
@media(max-width:900px){.hc-form-grid{grid-template-columns:1fr}.hc-smart-grid{grid-template-columns:repeat(2,1fr)}}
.hc-btn:disabled{opacity:.45;cursor:not-allowed}.hc-btn.danger{color:var(--danger);border-color:rgba(255,98,98,.2)}

/* HomeCore v4 monitoring/history refinements */
.hc-history-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.hc-history-grid>div{padding:13px;border:1px solid var(--border);border-radius:13px;background:var(--surface2)}.hc-history-grid canvas{display:block;width:100%;height:180px}.hc-chart-title{font-size:11px;font-weight:750;margin-bottom:6px}.hc-chart-title span{float:right;color:var(--muted);font-weight:400}.hc-help-text{font-size:11px;line-height:1.55}.hc-temp-row{align-items:center}.hc-temp-row strong{white-space:nowrap}@media(max-width:900px){.hc-history-grid{grid-template-columns:1fr}}