:root{--color-brand-900:#123b45;--color-brand-800:#104e5b;--color-brand-700:#0f766e;--color-brand-600:#0d9488;--color-brand-500:#14b8a6;--color-brand-100:#e0f2f1;--color-brand-50:#f0fdfa;--color-page:#f5f8fa;--color-surface:#fff;--color-surface-hover:#f8fafc;--color-surface-sunken:#eef3f6;--color-surface-active:#e6eff2;--color-text:#123b45;--color-text-muted:#60747c;--color-text-subtle:#8fa2a9;--color-text-inverse:#fff;--color-text-inverse-muted:#a3c2cb;--color-border:#e1e9ec;--color-border-subtle:#edf2f4;--color-border-strong:#c4d3d9;--color-success:#16845b;--color-success-bg:#e8f5e9;--color-success-border:#c8e6c9;--color-warning:#b7791f;--color-warning-bg:#fef3c7;--color-warning-border:#fde68a;--color-danger:#c24141;--color-danger-bg:#fee2e2;--color-danger-border:#fecaca;--color-neutral:#5a6e77;--color-neutral-bg:#eceff1;--color-neutral-border:#cfd8dc;--color-info:#0284c7;--color-info-bg:#e0f2fe;--color-info-border:#bae6fd;--space-0-5:2px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:28px;--space-8:32px;--space-10:40px;--space-12:48px;--radius-xs:4px;--radius-sm:6px;--radius-control:10px;--radius-card:16px;--radius-lg:20px;--radius-pill:9999px;--shadow-xs:0 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var(--transition-fast);justify-content:center;align-items:center;display:flex;position:relative}.header-bar__action-btn:hover{background-color:var(--color-surface-hover);border-color:var(--color-border-strong)}.header-bar__action-btn--danger{color:#dc2626;background-color:#fef2f2;border-color:#ef4444}.header-bar__action-btn--warning{color:#d97706;background-color:#fffbeb;border-color:#f59e0b}.header-bar__action-icon{color:currentColor;width:18px;height:18px}.header-bar__action-icon--ringing{transform-origin:top;animation:2.5s infinite bell-ring}@keyframes bell-ring{0%,to{transform:rotate(0)}5%{transform:rotate(14deg)}10%{transform:rotate(-14deg)}15%{transform:rotate(10deg)}20%{transform:rotate(-10deg)}25%{transform:rotate(0)}}.header-bar__bell-badge{border-radius:var(--radius-pill);color:#fff;justify-content:center;align-items:center;min-width:17px;height:17px;padding:0 4px;font-size:.6875rem;font-weight:700;line-height:1;display:flex;position:absolute;top:4px;right:4px;box-shadow:0 1px 2px #0003}.header-bar__bell-badge--danger{background-color:#dc2626;animation:1.8s infinite pulse-danger}.header-bar__bell-badge--warning{background-color:#d97706}@keyframes pulse-danger{0%{box-shadow:0 0 #dc2626b3}70%{box-shadow:0 0 0 5px #dc262600}to{box-shadow:0 0 #dc262600}}.header-bar__notif-dropdown{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);z-index:100;flex-direction:column;width:360px;max-width:calc(100vw - 24px);animation:.16s cubic-bezier(.16,1,.3,1) notif-slide-down;display:flex;position:absolute;top:calc(100% + 10px);right:0;overflow:hidden;box-shadow:0 10px 25px -5px #123b4526,0 8px 10px -6px #123b451a}@keyframes notif-slide-down{0%{opacity:0;transform:translateY(-8px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.notif-dropdown__header{padding:var(--space-4) var(--space-4) var(--space-3);border-bottom:1px solid 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auto;display:flex}.error-state__icon-wrap{border-radius:var(--radius-pill);background-color:var(--color-danger-bg);width:52px;height:52px;margin-bottom:var(--space-4);justify-content:center;align-items:center;display:flex}.error-state__icon{width:28px;height:28px;color:var(--color-danger)}.error-state__title{color:var(--color-brand-900);margin-bottom:var(--space-2);font-size:1.125rem;font-weight:600}.error-state__message{color:var(--color-text-muted);margin-bottom:var(--space-5);max-width:380px;font-size:.875rem;line-height:1.5}.error-state__retry-btn{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-5);background-color:var(--color-brand-700);color:var(--color-text-inverse);border-radius:var(--radius-control);box-shadow:var(--shadow-sm);font-size:.875rem;font-weight:500;display:inline-flex}.error-state__retry-btn:hover{background-color:var(--color-brand-800)}.error-state__btn-icon{width:16px;height:16px}.empty-state{text-align:center;padding:var(--space-8) 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var(--color-success-border)}.status-badge--warning{background-color:var(--color-warning-bg);color:var(--color-warning);border:1px solid var(--color-warning-border)}.status-badge--danger{background-color:var(--color-danger-bg);color:var(--color-danger);border:1px solid var(--color-danger-border)}.status-badge--offline{background-color:var(--color-neutral-bg);color:var(--color-neutral);border:1px solid var(--color-neutral-border)}.status-badge--unknown{background-color:var(--color-neutral-bg);color:var(--color-text-muted);border:1px solid var(--color-border)}.status-badge--demo{background-color:var(--color-info-bg);color:var(--color-info);border:1px solid var(--color-info-border)}.sensor-card{padding:var(--space-5);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform var(--transition-fast), box-shadow var(--transition-fast), border-color 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var(--transition-fast);justify-content:center;align-items:center;display:flex}.sensor-card__history-link:hover{background-color:var(--color-brand-700);color:var(--color-text-inverse)}.sensor-card__link-icon{width:16px;height:16px}.sensor-card__body{margin:var(--space-2) 0 var(--space-4);justify-content:space-between;align-items:flex-end;gap:var(--space-2);display:flex}.sensor-card__value-group{align-items:baseline;gap:4px;display:flex}.sensor-card__value{color:var(--color-brand-900);letter-spacing:-.02em;font-size:2rem;font-weight:700;line-height:1}@media (width>=1200px){.sensor-card__value{font-size:2.125rem}}.sensor-card__value--invalid{color:var(--color-danger);font-size:1.5rem}.sensor-card__unit{color:var(--color-text-muted);font-size:1rem;font-weight:600}.sensor-card__trend{opacity:.85;align-items:flex-end;display:flex}.sensor-card__sparkline{max-width:80px;height:24px}.sensor-card__footer{gap:var(--space-2);border-top:1px solid var(--color-border-subtle);padding-top:var(--space-3);flex-direction:column;display:flex}.sensor-card__badge-row{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.sensor-card__reason-hint{color:var(--color-text-muted);white-space:nowrap;text-overflow:ellipsis;max-width:120px;font-size:.6875rem;overflow:hidden}.sensor-card__updated{color:var(--color-text-subtle);font-size:.75rem;line-height:1.2}.overview-chart-card{gap:var(--space-4);padding:var(--space-5);background-color:var(--color-surface);border:1px solid 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var(--color-brand-700));flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;display:flex;box-shadow:0 4px 12px #123b4533}.device-widget__chip-icon{width:28px;height:28px;color:var(--color-brand-100)}.device-widget__info{flex-direction:column;gap:2px;display:flex}.device-widget__name{color:var(--color-brand-900);font-size:1.125rem;font-weight:700}.device-widget__id{color:var(--color-text-muted);font-size:.8125rem;font-weight:500}.device-widget__time{color:var(--color-text-subtle);margin-top:2px;font-size:.75rem}.device-widget__location-card{background-color:var(--color-surface-sunken);border:1px solid var(--color-border-subtle);border-radius:var(--radius-control);padding:var(--space-3) var(--space-4);flex-direction:column;gap:4px;display:flex}.device-widget__loc-header{color:var(--color-brand-700);align-items:center;gap:6px;font-size:.75rem;font-weight:500;display:flex}.device-widget__loc-icon{width:14px;height:14px}.device-widget__loc-name{color:var(--color-brand-900);margin:0;font-size:.9375rem;font-weight:600}.device-widget__footer{border-top:1px solid var(--color-border-subtle);padding-top:var(--space-3)}.device-widget__settings-link{color:var(--color-brand-700);transition:color 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var(--transition-fast);text-align:left;display:flex}.param-tab:hover{border-color:var(--color-border-strong);background-color:var(--color-surface-hover)}.param-tab--active{background-color:var(--color-surface);border-color:var(--color-brand-700);box-shadow:0 0 0 1px var(--color-brand-700), var(--shadow-sm)}.param-tab__icon-wrap{border-radius:var(--radius-pill);background-color:var(--color-surface-sunken);width:36px;height:36px;transition:all var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}.param-tab--active .param-tab__icon-wrap{background-color:var(--color-brand-100)}.param-tab__icon{width:18px;height:18px;color:var(--color-text-muted);transition:color var(--transition-fast)}.param-tab--active 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var(--transition-fast);background-color:#0000;justify-content:center;align-items:center;padding:5px 12px;font-size:.8125rem;font-weight:500;display:inline-flex}.time-range-pill:hover{background-color:var(--color-surface-hover)}.time-range-pill--active{background-color:var(--color-brand-700);color:var(--color-text-inverse);font-weight:600}.stats-summary-wrap{gap:var(--space-3);margin-bottom:var(--space-6);flex-direction:column;display:flex}.stats-grid{gap:var(--space-3);grid-template-columns:repeat(2,1fr);display:grid}@media (width>=900px){.stats-grid{gap:var(--space-4);grid-template-columns:repeat(4,1fr)}}.stat-card{align-items:center;gap:var(--space-3);padding:var(--space-4);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);min-width:0;display:flex}.stat-card__icon-wrap{border-radius:var(--radius-pill);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.stat-card__icon{width:20px;height:20px}.stat-card--avg .stat-card__icon-wrap{background-color:var(--color-brand-100)}.stat-card--avg .stat-card__icon{color:var(--color-brand-700)}.stat-card--min .stat-card__icon-wrap{background-color:#e0f2fe}.stat-card--min .stat-card__icon{color:#0284c7}.stat-card--max .stat-card__icon-wrap{background-color:#fef3c7}.stat-card--max .stat-card__icon{color:#b45309}.stat-card--count .stat-card__icon-wrap{background-color:#ede9fe}.stat-card--count 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var(--space-3);gap:var(--space-3)}.single-metric-chart-container{height:260px;min-height:220px}.single-metric-card__title{font-size:.9375rem}.single-metric-card__sub{font-size:.75rem}}.history-tooltip{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-control);padding:var(--space-3);box-shadow:var(--shadow-md);min-width:160px;font-size:.8125rem}.history-tooltip__time{color:var(--color-text-muted);border-bottom:1px solid 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tr:hover{background-color:var(--color-surface-hover)}.history-data-table__row--invalid{background-color:#fff5f5}.history-data-table__time{color:var(--color-brand-900);font-weight:500}.history-data-table__value strong{color:var(--color-brand-900);font-weight:600}.invalid-text{color:var(--color-danger);font-weight:500}.history-data-table__reason{color:var(--color-text-muted);text-overflow:ellipsis;max-width:260px;font-size:.8125rem;overflow:hidden}.history-page{flex-direction:column;display:flex}.history-stale-notice{align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background-color:var(--color-warning-bg);border:1px solid var(--color-warning-border);border-radius:var(--radius-control);color:#92400e;margin-bottom:var(--space-5);font-size:.8125rem;display:flex}.history-stale-notice__icon{flex-shrink:0;width:16px;height:16px}.history-loading-view,.history-error-view{padding:var(--space-10) 0}.history-content-flow{flex-direction:column;display:flex}.device-settings-card{gap:var(--space-4);padding:var(--space-5);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);flex-direction:column;display:flex}.device-settings-card__header{border-bottom:1px solid var(--color-border-subtle);padding-bottom:var(--space-3);justify-content:space-between;align-items:center;display:flex}.device-settings-card__title{color:var(--color-brand-900);font-size:1.0625rem;font-weight:600}.device-settings-card__body{align-items:center;gap:var(--space-4);padding:var(--space-2) 0;display:flex}.device-settings-card__avatar{border-radius:var(--radius-card);background:linear-gradient(135deg, var(--color-brand-900), var(--color-brand-700));flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;display:flex;box-shadow:0 4px 14px 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var(--color-brand-700));border-radius:var(--radius-card);padding:var(--space-5);color:var(--color-text-inverse);align-items:center;gap:var(--space-4);box-shadow:var(--shadow-sm);margin-top:var(--space-2);display:flex}.app-branding-banner__icon-wrap{border-radius:var(--radius-pill);background-color:#ffffff26;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.app-branding-banner__icon{width:24px;height:24px;color:var(--color-text-inverse)}.app-branding-banner__text{flex-direction:column;gap:2px;display:flex}.app-branding-banner__name{letter-spacing:-.02em;color:var(--color-text-inverse);font-size:1.25rem;font-weight:700}.app-branding-banner__motto{color:var(--color-text-inverse-muted);margin:0;font-size:.875rem;line-height:1.4}.pwa-security-notice{background-color:var(--color-brand-50);border:1px solid var(--color-brand-200);border-radius:var(--radius-control);padding:var(--space-4);gap:var(--space-2);flex-direction:column;display:flex}.pwa-security-notice__header{align-items:center;gap:var(--space-2);display:flex}.pwa-security-notice__icon{width:18px;height:18px;color:var(--color-brand-700);flex-shrink:0}.pwa-security-notice__title{color:var(--color-brand-900);margin:0;font-size:.875rem;font-weight:600}.pwa-security-notice__list{padding-left:var(--space-5);color:var(--color-brand-900);flex-direction:column;gap:6px;margin:0;font-size:.8125rem;line-height:1.5;display:flex}.pwa-security-notice__list code{background-color:var(--color-brand-100);border-radius:var(--radius-sm);color:var(--color-brand-900);padding:2px 6px;font-size:.75rem}.settings-page{flex-direction:column;display:flex}.settings-content-flow{gap:var(--space-6);flex-direction:column;width:100%;max-width:880px;display:flex}