@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--bg-color:#f8fafc;--panel-bg:#ffffffbf;--border-color:#0000000f;--text-main:#0f172a;--text-muted:#64748b;--primary:#2563eb;--primary-glow:#2563eb26;--accent-gradient:linear-gradient(135deg, #2563eb, #7c3aed);--cold-water:#0891b2;--hot-water:#dc2626;--heating:#d97706;--success:#059669;--kitchen:#a855f7;--error:#ef4444;--warning:#eab308;--shadow:0 10px 30px -10px #00000014;--shadow-lg:0 20px 40px -15px #0000001f;--glass-blur:blur(12px);--radius:16px;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}@media (prefers-color-scheme:dark){:root{--bg-color:#090d16;--panel-bg:#111827b3;--border-color:#ffffff0f;--text-main:#f3f4f6;--text-muted:#9ca3af;--primary:#3b82f6;--primary-glow:#3b82f640;--accent-gradient:linear-gradient(135deg, #3b82f6, #8b5cf6);--cold-water:#06b6d4;--hot-water:#ef4444;--heating:#f59e0b;--success:#10b981;--kitchen:#c084fc;--shadow:0 10px 30px -10px #0000004d;--shadow-lg:0 20px 40px -15px #00000080}}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);min-height:100vh;font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;transition:background-color .3s,color .3s;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition)}.glass-panel:hover{box-shadow:var(--shadow-lg);border-color:#3b82f626}.app-container{max-width:1400px;margin:0 auto;padding:2rem 1.5rem}header{justify-content:space-between;align-items:center;margin-bottom:2.5rem;display:flex}.logo-container{align-items:center;gap:.75rem;display:flex}.logo-icon{background:var(--accent-gradient);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;display:flex;box-shadow:0 4px 15px #3b82f64d}.logo-text h1{letter-spacing:-.025em;background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.5rem;font-weight:700}.logo-text p{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:500}.dashboard-grid{grid-template-columns:1fr;gap:1.5rem;display:grid}@media (width>=1024px){.dashboard-grid{grid-template-columns:280px 1fr}}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-bottom:1.5rem;display:grid}.btn{cursor:pointer;transition:var(--transition);border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-family:inherit;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 15px #3b82f633}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f64d}.btn-secondary{border-color:var(--border-color);color:var(--text-main);background:0 0}.btn-secondary:hover{border-color:var(--primary);background:#3b82f60d}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover{background:#dc2626}.card-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.card-title{align-items:center;gap:.5rem;font-size:1.1rem;font-weight:600;display:flex}.card-body{padding:1.5rem}.stat-card{flex-direction:column;padding:1.5rem;display:flex;position:relative;overflow:hidden}.stat-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.stat-title{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;font-size:.85rem;font-weight:600}.stat-icon{border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.stat-value{margin-bottom:.5rem;font-size:2rem;font-weight:700;line-height:1.1}.stat-trend{align-items:center;gap:.25rem;font-size:.8rem;font-weight:600;display:flex}.trend-up{color:var(--error)}.trend-down{color:var(--success)}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-muted);margin-bottom:.5rem;font-size:.85rem;font-weight:600;display:block}.form-input{border:1px solid var(--border-color);width:100%;color:var(--text-main);transition:var(--transition);background:#00000005;border-radius:10px;outline:none;padding:.75rem 1rem;font-family:inherit;font-size:.95rem}@media (prefers-color-scheme:dark){.form-input{background:#ffffff05}}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow);background:#fff}@media (prefers-color-scheme:dark){.form-input:focus{background:#111827}}.auth-page{background:radial-gradient(circle at 10% 20%,#3b82f60d 0%,#0000 40%),radial-gradient(circle at 90% 80%,#8b5cf60d 0%,#0000 40%);background-color:var(--bg-color);justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.auth-card{width:100%;max-width:440px;padding:2.5rem}.auth-header{text-align:center;margin-bottom:2rem}.auth-header .logo-icon{margin:0 auto 1rem}.auth-header h2{margin-bottom:.5rem;font-size:1.75rem;font-weight:700}.auth-header p{color:var(--text-muted);font-size:.9rem}.chart-container{width:100%;height:300px;margin-top:1.5rem;position:relative}.chart-svg{width:100%;height:100%;overflow:visible}.chart-line{fill:none;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round;transition:stroke-dasharray 1s ease-in-out}.chart-bar{rx:4;ry:4;transition:height .5s,y .5s}.chart-grid-line{stroke:var(--border-color);stroke-width:1px;stroke-dasharray:4 4}.chart-axis-text{fill:var(--text-muted);font-family:inherit;font-size:10px;font-weight:500}.chart-tooltip{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;pointer-events:none;z-index:10;background:#111827e6;border:1px solid #ffffff1a;border-radius:8px;padding:.5rem .75rem;font-size:.8rem;transition:opacity .15s,transform .15s;position:absolute;box-shadow:0 4px 15px #0000004d}.chart-point{stroke-width:2.5px;cursor:pointer;transition:r .15s}.chart-point:hover{r:7}.room-tag{color:var(--primary);background:#3b82f614;border:1px solid #3b82f626;border-radius:20px;align-items:center;gap:.35rem;padding:.25rem .625rem;font-size:.75rem;font-weight:600;display:inline-flex}.room-tag-unassigned{color:var(--text-muted);background:#64748b14;border:1px solid #64748b26}.flat-details{padding:1.25rem}.flat-info-item{justify-content:space-between;margin-bottom:.75rem;font-size:.9rem;display:flex}.flat-info-label{color:var(--text-muted);font-weight:500}.flat-info-value{font-weight:600}.meter-list-item{border:1px solid var(--border-color);background:#00000003;border-radius:10px;justify-content:space-between;align-items:center;margin-bottom:.5rem;padding:.75rem 1rem;display:flex}@media (prefers-color-scheme:dark){.meter-list-item{background:#ffffff03}}.meter-list-item:hover{background:#3b82f605;border-color:#3b82f633}.tabs-container{border-bottom:1px solid var(--border-color);gap:.5rem;margin-bottom:1.5rem;padding-bottom:.5rem;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:8px;padding:.5rem 1rem;font-size:.9rem;font-weight:600}.tab-btn:hover{color:var(--text-main);background:#00000008}@media (prefers-color-scheme:dark){.tab-btn:hover{background:#ffffff08}}.tab-btn.active{color:#fff;background:var(--accent-gradient);box-shadow:0 4px 10px #3b82f633}.admin-table{border-collapse:collapse;width:100%;margin-top:1rem;font-size:.9rem}.admin-table th{text-align:left;border-bottom:2px solid var(--border-color);color:var(--text-muted);padding:.75rem 1rem;font-weight:600}.admin-table td{border-bottom:1px solid var(--border-color);vertical-align:middle;padding:.85rem 1rem}.admin-table tr:hover td{background:#3b82f605}.badge{text-transform:uppercase;border-radius:4px;padding:.2rem .5rem;font-size:.7rem;font-weight:700;display:inline-flex}.badge-success{color:var(--success);background:#10b9811a}.badge-warning{color:var(--heating);background:#f59e0b1a}.badge-danger{color:var(--error);background:#ef44441a}.badge-neutral{color:var(--text-muted);background:#64748b1a}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{width:100%;max-width:500px;animation:.3s cubic-bezier(.4,0,.2,1) modalSlide}@keyframes modalSlide{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.toggle-switch{width:44px;height:24px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;background-color:var(--border-color);border-radius:24px;transition:all .3s;position:absolute;inset:0}.toggle-slider:before{content:"";background-color:#fff;border-radius:50%;width:18px;height:18px;transition:all .3s;position:absolute;bottom:3px;left:3px}input:checked+.toggle-slider{background:var(--accent-gradient)}input:checked+.toggle-slider:before{transform:translate(20px)}.alert{border:1px solid #0000;border-radius:10px;align-items:center;gap:.75rem;margin-bottom:1rem;padding:1rem;font-size:.9rem;display:flex}.alert-success{color:var(--success);background:#10b98114;border-color:#10b98126}.alert-error{color:var(--error);background:#ef444414;border-color:#ef444426}.alert-info{color:var(--primary);background:#3b82f614;border-color:#3b82f626}