.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(180deg,#0b1220,#0f172a)}.login-card{background:#ffffffeb;border:1px solid rgba(255,255,255,.6);border-radius:18px;padding:32px;width:100%;max-width:400px;box-shadow:0 16px 40px #0206171a}.brand{text-align:center;margin-bottom:24px}.brand h1{color:#0f172a;font-size:24px;margin:0 0 8px}.brand p{color:#64748b;font-size:14px;margin:0}.form-group label{display:block;font-size:12px;color:#64748b;margin-bottom:6px;font-weight:500}.form-group input{width:100%;padding:10px 12px;border-radius:12px;border:1px solid rgba(15,23,42,.1);background:#fff;color:#0f172a;font-size:14px}.form-group input:focus{outline:none;border-color:#06b6d4}.error{background:#dc26261a;color:#dc2626;padding:10px 12px;border-radius:12px;margin-bottom:16px;font-size:13px}button[type=submit]{width:100%;padding:12px;border-radius:12px;border:1px solid rgba(6,182,212,.28);background:linear-gradient(180deg,#ecfeff,#cffafe);color:#06b6d4;font-weight:700;font-size:14px;cursor:pointer;transition:all .12s ease}button[type=submit]:hover:not(:disabled){transform:translateY(-1px);filter:brightness(.98)}button[type=submit]:disabled{opacity:.6;cursor:not-allowed}.dev-login{width:100%;margin-top:12px;padding:10px 12px;border-radius:12px;border:1px solid rgba(15,23,42,.12);background:#fff;color:#0f172a;font-weight:600;font-size:13px;cursor:pointer;transition:all .12s ease}.dev-login:hover:not(:disabled){background:#f1f5f9}.dev-login:disabled{opacity:.6;cursor:not-allowed}.btn{border:none;border-radius:var(--radius-pill);font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 8px 18px #0f172a1f}.btn-small{padding:6px 14px;font-size:.82rem}.btn-medium{padding:10px 18px;font-size:.95rem}.btn-large{padding:12px 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.stat-card__accent{background:linear-gradient(90deg,#ef4444,#f87171)}.dashboard-loading,.dashboard-error{color:var(--text-muted);font-size:16px}.dashboard-error{color:var(--danger)}.usage-hot{color:#ef4444;font-weight:600}.usage-cold{color:#2563eb;font-weight:600}.dashboard-section-full{grid-column:1 / -1}.empty-state{color:var(--text-muted);font-size:14px;text-align:center;padding:20px}.room-usage-comparison{display:grid;grid-template-columns:1fr 1fr;gap:24px}.room-usage-column{display:flex;flex-direction:column}.column-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--panel-border)}.column-header h3{margin:0;font-size:1.125rem;font-weight:600;color:var(--text)}.column-date{font-size:.875rem;color:var(--text-muted);font-weight:500}.rooms-list-compact{display:flex;flex-direction:column;gap:8px;max-height:600px;overflow-y:auto}.room-item-compact{display:flex;align-items:center;padding:10px 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#3b82f61a}.custom-period-select{padding:8px 12px;border:1px solid #e2e8f0;border-radius:6px;background:#fff;color:#1e293b;font-size:14px;font-weight:500;cursor:pointer;min-width:100px}.custom-period-select:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.custom-period-apply{padding:8px 16px;border:1px solid #3b82f6;border-radius:6px;background:#fff;color:#3b82f6;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.custom-period-apply:hover{background:#eff6ff}.custom-period-apply.active{background:#3b82f6;color:#fff}.analytics-loading,.analytics-empty{color:#ffffffb8;font-size:16px;text-align:center;padding:40px}.analytics-empty .empty-note{font-size:14px;color:#fff9;margin-top:8px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:32px}.kpi-card{background:#ffffffeb;border:1px solid rgba(255,255,255,.6);border-radius:18px;padding:24px;box-shadow:0 16px 40px 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#e2e8f0}.kpi-change{font-size:14px;font-weight:600}.kpi-avg{font-size:12px;color:#94a3b8}.kpi-note{font-size:12px;color:#94a3b8;font-style:italic;margin-top:8px}.chart-section{background:#ffffffeb;border:1px solid rgba(255,255,255,.6);border-radius:18px;padding:24px;box-shadow:0 16px 40px #0206171a;margin-bottom:24px}.chart-section h2{margin:0 0 24px;font-size:1.5rem;font-weight:700;color:#1e293b;letter-spacing:-.02em}.chart-wrapper{height:1000px!important;min-height:1000px!important;width:100%;margin-bottom:20px;position:relative;padding:30px;background:#fff;border-radius:12px;border:1px solid #e2e8f0}.chart-wrapper canvas{max-height:940px!important;height:940px!important}@media (max-width: 768px){.chart-wrapper{height:600px!important;min-height:600px!important;padding:15px}.chart-wrapper canvas{max-height:570px!important;height:570px!important}}.chart-container{display:flex;align-items:flex-end;gap:8px;height:300px;padding:20px 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.2s;position:relative}.analytics-tab:hover{color:var(--text)}.analytics-tab.active{color:var(--text);border-bottom-color:var(--primary)}.analytics-content{width:100%}.behaviour-page{display:grid;gap:1.5rem}.behaviour-header{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap}.behaviour-header h2{margin:0 0 .25rem}.behaviour-header p{margin:0;color:#6b7280}.behaviour-hero{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;padding:1.25rem 1.5rem;border-radius:16px;background:linear-gradient(135deg,#f0f9ff,#ecfeff);border:1px solid #bae6fd}.behaviour-hero h3{margin:.35rem 0;color:#000}.behaviour-label{text-transform:uppercase;letter-spacing:.16em;font-size:.7rem;color:#0ea5e9;margin:0}.behaviour-subtitle{margin:0;color:#64748b}.behaviour-kpis{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));width:min(520px,100%)}.behaviour-kpi{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:.75rem 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