:root{--color-bg-primary: #0d1117;--color-bg-secondary: #161b22;--color-bg-tertiary: #21262d;--color-bg-card: #1c2128;--color-text-primary: #e6edf3;--color-text-secondary: #8b949e;--color-text-muted: #6e7681;--color-border-default: #30363d;--color-border-muted: #21262d;--color-accent-primary: #58a6ff;--color-accent-success: #3fb950;--color-accent-warning: #d29922;--color-accent-danger: #f85149;--color-accent-info: #79c0ff;--color-hover-bg: rgba(177, 186, 196, .12);--color-active-bg: rgba(177, 186, 196, .2);--shadow-small: 0 1px 0 rgba(1, 4, 9, .1);--shadow-medium: 0 3px 6px rgba(1, 4, 9, .15);--shadow-large: 0 8px 24px rgba(1, 4, 9, .25);--touch-target-min: 44px;--border-radius: 6px;--border-radius-large: 12px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:var(--color-text-primary);background-color:var(--color-bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:0;min-height:100vh;background-color:var(--color-bg-primary);color:var(--color-text-primary)}h1,h2,h3,h4,h5,h6{color:var(--color-text-primary);margin-top:0;font-weight:600}h1{font-size:2rem;line-height:1.25}h2{font-size:1.5rem;line-height:1.3}h3{font-size:1.25rem;line-height:1.4}p{color:var(--color-text-secondary);margin:0 0 1rem}a{color:var(--color-accent-primary);text-decoration:none}a:hover{text-decoration:underline}button,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:var(--touch-target-min);min-width:var(--touch-target-min);padding:8px 16px;font-size:1rem;font-weight:500;line-height:1.5;color:var(--color-text-primary);background-color:var(--color-bg-tertiary);border:1px solid var(--color-border-default);border-radius:var(--border-radius);cursor:pointer;transition:background-color .15s ease,border-color .15s ease;-webkit-tap-highlight-color:transparent}button:hover,.btn:hover{background-color:var(--color-hover-bg);border-color:var(--color-border-default)}button:active,.btn:active{background-color:var(--color-active-bg)}button:disabled,.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-accent-primary);border-color:var(--color-accent-primary);color:#fff}.btn-primary:hover{background-color:#4c9aed;border-color:#4c9aed}.btn-success{background-color:var(--color-accent-success);border-color:var(--color-accent-success);color:#fff}.btn-success:hover{background-color:#2ea043;border-color:#2ea043}.btn-danger{background-color:var(--color-accent-danger);border-color:var(--color-accent-danger);color:#fff}.btn-danger:hover{background-color:#da3633;border-color:#da3633}input,select,textarea{min-height:var(--touch-target-min);padding:8px 12px;font-size:1rem;font-family:inherit;line-height:1.5;color:var(--color-text-primary);background-color:var(--color-bg-secondary);border:1px solid var(--color-border-default);border-radius:var(--border-radius);transition:border-color .15s ease,box-shadow .15s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 3px #58a6ff4d}input::placeholder,textarea::placeholder{color:var(--color-text-muted)}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b949e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}input[type=checkbox],input[type=radio]{width:20px;height:20px;min-height:20px;accent-color:var(--color-accent-primary);cursor:pointer}label{display:flex;align-items:center;gap:8px;min-height:var(--touch-target-min);color:var(--color-text-primary);cursor:pointer}.card{background-color:var(--color-bg-card);border:1px solid var(--color-border-default);border-radius:var(--border-radius-large);padding:1rem;box-shadow:var(--shadow-small)}.card--warning{border-color:var(--color-accent-danger);box-shadow:0 0 0 1px var(--color-accent-danger),var(--shadow-small)}.card-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding-bottom:.75rem;border-bottom:1px solid var(--color-border-muted);margin-bottom:.75rem}.card-header-badges{display:flex;align-items:center;gap:.5rem}.card-title{font-size:1rem;font-weight:600;color:var(--color-text-primary);margin:0}.progress{height:8px;background-color:var(--color-bg-tertiary);border-radius:4px;overflow:hidden}.progress-bar{height:100%;background-color:var(--color-accent-primary);border-radius:4px;transition:width .3s ease}.progress-bar--success{background-color:var(--color-accent-success)}.progress-bar--warning{background-color:var(--color-accent-warning)}.progress-bar--danger{background-color:var(--color-accent-danger)}.status-indicator{display:inline-block;width:10px;height:10px;border-radius:50%}.status-indicator--success{background-color:var(--color-accent-success)}.status-indicator--warning{background-color:var(--color-accent-warning)}.status-indicator--danger{background-color:var(--color-accent-danger)}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:.75rem;font-weight:500;border-radius:12px;background-color:var(--color-bg-tertiary);color:var(--color-text-secondary)}.badge--primary{background-color:#58a6ff26;color:var(--color-accent-primary)}.badge--success{background-color:#3fb95026;color:var(--color-accent-success)}.badge--warning{background-color:#d2992226;color:var(--color-accent-warning)}.badge--danger{background-color:#f8514926;color:var(--color-accent-danger)}.badge--muted{background-color:var(--color-bg-tertiary);color:var(--color-text-muted)}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-primary{color:var(--color-text-primary)}.text-success{color:var(--color-accent-success)}.text-warning{color:var(--color-accent-warning)}.text-danger{color:var(--color-accent-danger)}.metric-value{font-size:2.5rem;font-weight:600;color:var(--color-text-primary);line-height:1.2}.metric-unit{font-size:1rem;font-weight:400;color:var(--color-text-secondary);margin-left:4px}.metric-label{font-size:.875rem;color:var(--color-text-secondary);margin-top:4px}.navigation{background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border-default);position:sticky;top:0;z-index:100}.nav-list{display:flex;list-style:none;margin:0;padding:0;justify-content:center;gap:0}.nav-item{flex:1;max-width:200px}.nav-link{display:flex;align-items:center;justify-content:center;min-height:var(--touch-target-min);padding:12px 16px;color:var(--color-text-secondary);text-decoration:none;font-size:1rem;font-weight:500;transition:background-color .15s ease,color .15s ease;border-bottom:3px solid transparent}.nav-link:hover{background-color:var(--color-hover-bg);color:var(--color-text-primary);text-decoration:none}.nav-link--active{color:var(--color-accent-primary);border-bottom-color:var(--color-accent-primary);background-color:#58a6ff1a}.nav-item--logout{margin-left:auto;flex:0 0 auto}.nav-link--logout{background:none;border:none;cursor:pointer;font-family:inherit;color:var(--color-text-secondary)}.nav-link--logout:hover{color:var(--color-danger, #f85149);background-color:#f851491a}@media(max-width:600px){.nav-list{gap:0}.nav-item{flex:1;max-width:none}.nav-item--logout{flex:0 0 auto;margin-left:0}.nav-link{padding:12px 8px;font-size:.875rem;min-height:var(--touch-target-min)}}.dashboard{padding-bottom:2rem}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.dashboard-card{min-height:200px}.dashboard-card--tappable{cursor:pointer;transition:transform .15s ease,border-color .15s ease}.dashboard-card--tappable:hover{border-color:var(--color-accent-primary)}.dashboard-card--tappable:active{transform:scale(.98)}.tap-hint{font-size:.625rem}.battery-status{display:flex;flex-direction:column;align-items:center;text-align:center}.metric-display{display:flex;align-items:baseline;justify-content:center}.battery-progress{width:100%;height:12px;margin-top:1rem}.battery-details{display:flex;flex-wrap:wrap;justify-content:center;gap:1.5rem;margin-top:1rem;width:100%}.battery-detail{display:flex;flex-direction:column;align-items:center}.detail-label{font-size:.75rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.detail-value{font-size:1.25rem;font-weight:600;color:var(--color-text-primary);margin-top:.25rem}.battery-extended{width:100%;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border-muted);display:flex;flex-direction:column;gap:.75rem}.battery-extended-row{display:flex;justify-content:center;gap:2rem}.battery-capacity,.battery-starter{display:flex;flex-direction:column;align-items:center;text-align:center}.battery-sources{display:flex;flex-direction:column;align-items:center;gap:.5rem}.source-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}.source-badge{padding:.25rem .5rem;border-radius:var(--border-radius);font-size:.75rem;font-weight:500}.source-badge--dcdc{background:#8857e626;color:var(--color-accent-info)}.source-badge--solar{background:#d2992226;color:var(--color-accent-warning)}.text-success{color:var(--color-accent-success)!important}.text-warning{color:var(--color-accent-warning)!important}.water-status{display:flex;flex-direction:column;gap:1.5rem;width:100%}.water-tank{display:flex;flex-direction:column;gap:.5rem}.water-tank-header{display:flex;justify-content:space-between;align-items:center}.water-tank-label{font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.water-tank-value{font-size:1.125rem;font-weight:600;color:var(--color-text-primary)}.water-progress{height:10px}.propane-temp-status{display:flex;flex-direction:column;gap:1rem;width:100%}.status-item{display:flex;align-items:center;gap:1rem;padding:.75rem;background:var(--color-bg-tertiary);border-radius:var(--border-radius)}.status-icon{font-size:1.5rem;width:40px;text-align:center}.status-content{display:flex;flex-direction:column;flex:1}.status-label{font-size:.75rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.status-value{font-size:1.5rem;font-weight:600;color:var(--color-text-primary)}.status-unit{font-size:1rem;font-weight:400;color:var(--color-text-secondary)}.location-status{display:flex;flex-direction:column;gap:1rem;width:100%}.location-coords{font-size:1.125rem;font-family:monospace}.dashboard-footer{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-top:1.5rem}.connection-status{display:flex;align-items:center;gap:.5rem;padding:.375rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500}.connection-dot{width:8px;height:8px;border-radius:50%}.connection-status--connected{background:#3fb95026;color:var(--color-accent-success)}.connection-status--connected .connection-dot{background:var(--color-accent-success);box-shadow:0 0 6px var(--color-accent-success)}.connection-status--connecting{background:#d2992226;color:var(--color-accent-warning)}.connection-status--connecting .connection-dot{background:var(--color-accent-warning);animation:pulse 1.5s ease-in-out infinite}.connection-status--disconnected{background:#f8514926;color:var(--color-accent-danger)}.connection-status--disconnected .connection-dot{background:var(--color-accent-danger);animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.last-updated{text-align:center;font-size:.875rem;color:var(--color-text-muted)}.history-modal{position:fixed;inset:0;background-color:#000c;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000}.history-modal-content{width:100%;max-width:600px;max-height:90vh;overflow-y:auto}.history-modal-content .card-header{position:relative}.history-content{padding:1rem}.history-loading{display:flex;align-items:center;justify-content:center;min-height:200px}.history-loading p{color:var(--color-text-secondary);margin:0}.history-chart{margin-bottom:1.5rem}.chart-title{font-size:.875rem;font-weight:600;color:var(--color-text-primary);margin-bottom:.75rem}.soc-history-chart,.temp-history-chart{position:relative;height:180px;background:linear-gradient(to top,#f851491a 0% 20%,#d299220d 20% 40%,#3fb9500d 40% 100%);border-radius:var(--border-radius);margin-bottom:.5rem}.temp-history-chart{background:var(--color-bg-tertiary)}.chart-guidelines{position:absolute;inset:0;pointer-events:none}.guideline{position:absolute;left:0;right:40px;height:1px;background:var(--color-border-muted);opacity:.5}.guideline-label{position:absolute;right:-40px;width:36px;font-size:.625rem;color:var(--color-text-muted);text-align:right;transform:translateY(-50%)}.chart-points{position:absolute;inset:0 48px 0 8px}.chart-point{position:absolute;width:6px;height:6px;border-radius:50%;transform:translate(-50%,50%);cursor:pointer;transition:transform .15s ease}.chart-point:hover{transform:translate(-50%,50%) scale(1.8);z-index:10}.chart-point--success{background:var(--color-accent-success)}.chart-point--warning{background:var(--color-accent-warning)}.chart-point--danger{background:var(--color-accent-danger)}.chart-point--indoor{background:var(--color-accent-primary)}.chart-point--outdoor{background:var(--color-accent-info)}.chart-x-labels{display:flex;justify-content:space-between;padding:0 8px;font-size:.625rem;color:var(--color-text-muted)}.history-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;padding-top:1rem;border-top:1px solid var(--color-border-muted)}.history-summary--temp{display:flex;flex-direction:column;gap:1rem}.summary-section{padding:.75rem;background:var(--color-bg-tertiary);border-radius:var(--border-radius)}.summary-section-title{font-size:.875rem;font-weight:600;color:var(--color-text-primary);margin-bottom:.5rem}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.summary-item{display:flex;flex-direction:column;align-items:center;text-align:center;padding:.5rem;background:var(--color-bg-tertiary);border-radius:var(--border-radius)}.history-summary--temp .summary-item{background:var(--color-bg-secondary)}.summary-label{font-size:.625rem;color:var(--color-text-muted);text-transform:uppercase}.summary-value{font-size:1.125rem;font-weight:600;color:var(--color-text-primary);margin-top:.25rem}@media(max-width:480px){.history-summary,.summary-grid{grid-template-columns:repeat(2,1fr)}.soc-history-chart,.temp-history-chart{height:140px}.history-modal-content{max-height:95vh}}.log-event h1{margin-bottom:.5rem}.log-event>p{margin-bottom:1.5rem}.message{padding:.75rem 1rem;border-radius:var(--border-radius);margin-bottom:1rem;font-weight:500}.message--success{background-color:#3fb95026;color:var(--color-accent-success);border:1px solid rgba(63,185,80,.3)}.message--error{background-color:#f8514926;color:var(--color-accent-danger);border:1px solid rgba(248,81,73,.3)}.message--info{background-color:#388bfd26;color:var(--color-accent-primary);border:1px solid rgba(56,139,253,.3)}.quick-actions-section{margin-bottom:2rem}.quick-actions-section h2{font-size:1.25rem;margin-bottom:1rem;color:var(--color-text-primary)}.quick-actions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}@media(min-width:480px){.quick-actions-grid{grid-template-columns:repeat(4,1fr)}}.quick-action-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;min-height:100px;padding:1rem;background-color:var(--color-bg-card);border:1px solid var(--color-border-default);border-radius:var(--border-radius-large);cursor:pointer;transition:all .15s ease}.quick-action-btn:hover{background-color:var(--color-hover-bg);border-color:var(--color-accent-primary);transform:translateY(-2px)}.quick-action-btn:active{transform:translateY(0);background-color:var(--color-active-bg)}.quick-action-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.quick-action-btn:disabled:hover{border-color:var(--color-border-default)}.quick-action-btn--disabled{opacity:.5;background-color:var(--color-bg-secondary)}.quick-action-icon{font-size:2rem;line-height:1}.quick-action-label{font-size:.9rem;font-weight:500;color:var(--color-text-primary);text-align:center}.form-modal{position:fixed;inset:0;background-color:#000000b3;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000}.form-modal-content{width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.form-modal-content .card-header{position:relative}.btn-close{position:absolute;top:0;right:0;min-height:var(--touch-target-min);min-width:var(--touch-target-min);padding:0;font-size:1.5rem;font-weight:300;background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer}.btn-close:hover{color:var(--color-text-primary);background:transparent}.event-form{display:flex;flex-direction:column;gap:1rem;padding:1rem}.form-group label{font-size:.9rem;color:var(--color-text-secondary);font-weight:500}.form-group input[type=number],.form-group input[type=text],.form-group textarea,.form-group select{width:100%;padding:.75rem 1rem;font-size:1rem;background-color:var(--color-bg-input);border:1px solid var(--color-border-default);border-radius:var(--border-radius);color:var(--color-text-primary);min-height:var(--touch-target-min)}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 2px #58a6ff33}.form-group input:disabled{opacity:.5;cursor:not-allowed}.form-group textarea{resize:vertical;min-height:80px}.form-group--checkbox{flex-direction:row;align-items:center}.form-group--checkbox label{display:flex;align-items:center;gap:.75rem;cursor:pointer;color:var(--color-text-primary)}.form-group--checkbox input[type=checkbox]{width:22px;height:22px;accent-color:var(--color-accent-primary);cursor:pointer}.location-info{flex-direction:row;align-items:center;gap:.5rem;padding:.75rem;background-color:var(--color-bg-tertiary);border-radius:var(--border-radius)}.location-label{font-size:.9rem;color:var(--color-text-secondary)}.location-coords{font-family:monospace;font-size:.85rem;color:var(--color-text-primary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.form-group--highlight{padding:1rem;background-color:#58a6ff1a;border:1px solid var(--color-accent-primary);border-radius:var(--border-radius)}.form-help{font-size:.8rem;color:var(--color-text-secondary);margin-top:.25rem}.form-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:.5rem;padding-top:1rem;border-top:1px solid var(--color-border-default)}.form-actions .btn{min-width:100px}.receipt-upload{display:flex;flex-direction:column;gap:.5rem}.receipt-upload input[type=file]{padding:.75rem;background-color:var(--color-bg-input);border:1px solid var(--color-border-default);border-radius:var(--border-radius);color:var(--color-text-primary);min-height:var(--touch-target-min);cursor:pointer}.receipt-upload input[type=file]:disabled{opacity:.5;cursor:not-allowed}.receipt-upload input[type=file]::file-selector-button{padding:.5rem 1rem;margin-right:1rem;background-color:var(--color-bg-tertiary);border:1px solid var(--color-border-default);border-radius:var(--border-radius);color:var(--color-text-primary);cursor:pointer}.receipt-upload input[type=file]::file-selector-button:hover{background-color:var(--color-hover-bg)}.upload-status{font-size:.85rem;color:var(--color-text-secondary)}.upload-status--success{color:var(--color-accent-success)}.event-history-section{margin-top:2rem}.event-history-section h2{font-size:1.25rem;margin-bottom:1rem;color:var(--color-text-primary)}.event-history-loading,.event-history-empty{padding:1.5rem;text-align:center;color:var(--color-text-secondary);background-color:var(--color-bg-card);border:1px solid var(--color-border-default);border-radius:var(--border-radius-large)}.event-history-list{display:flex;flex-direction:column;gap:.5rem;max-height:400px;overflow-y:auto;padding-right:.5rem}.event-history-list::-webkit-scrollbar{width:6px}.event-history-list::-webkit-scrollbar-track{background:var(--color-bg-secondary);border-radius:3px}.event-history-list::-webkit-scrollbar-thumb{background:var(--color-border-default);border-radius:3px}.event-history-list::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}.event-history-item{display:flex;gap:.75rem;padding:.75rem;background-color:var(--color-bg-card);border:1px solid var(--color-border-default);border-radius:var(--border-radius);transition:border-color .15s ease}.event-history-item:hover{border-color:var(--color-border-muted)}.event-history-icon{font-size:1.25rem;line-height:1;flex-shrink:0}.event-history-content{flex:1;min-width:0}.event-history-header{display:flex;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.25rem}.event-history-type{font-weight:500;color:var(--color-text-primary);font-size:.9rem}.event-history-time{font-size:.8rem;color:var(--color-text-secondary);flex-shrink:0}.event-history-details{font-size:.85rem;color:var(--color-text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-undo{flex-shrink:0;align-self:center;padding:.25rem .5rem;font-size:.75rem;color:var(--color-text-secondary);background:transparent;border:1px solid var(--color-border-default);border-radius:var(--border-radius);cursor:pointer;transition:all .15s 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th:nth-child(3),.users-table td:nth-child(3){display:none}.users-form .form-actions{flex-direction:column}.users-form .form-actions .btn{width:100%}.modal-actions{flex-direction:column}.modal-actions .btn{width:100%}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;background-color:var(--color-bg-primary)}.login-container{width:100%;max-width:400px}.login-card{padding:2rem}.login-title{text-align:center;margin-bottom:1.5rem;font-size:1.5rem}.login-form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.875rem;font-weight:500;color:var(--color-text-secondary);min-height:auto}.form-group input{width:100%}.login-button{width:100%;margin-top:.5rem}.login-error{padding:.75rem 1rem;background-color:#f8514926;border:1px solid var(--color-accent-danger);border-radius:var(--border-radius);color:var(--color-accent-danger);font-size:.875rem;text-align:center}.login-lockout{display:flex;align-items:flex-start;gap:.75rem;padding:1rem;background-color:#ffa65726;border:1px solid var(--color-accent-warning);border-radius:var(--border-radius);color:var(--color-text-primary)}.lockout-icon{font-size:1.5rem;line-height:1}.lockout-message{flex:1}.lockout-message strong{color:var(--color-accent-warning)}.lockout-message p{margin:.25rem 0 0;font-size:.875rem;color:var(--color-text-secondary)}.change-password-info{text-align:center;color:var(--color-text-secondary);font-size:.875rem;margin-bottom:1rem}.app{min-height:100vh;display:flex;flex-direction:column;background-color:var(--color-bg-primary)}.main-content{flex:1;max-width:1280px;width:100%;margin:0 auto;padding:1.5rem;box-sizing:border-box}.page{text-align:left}.page h1{margin-top:0;margin-bottom:1rem;color:var(--color-text-primary)}.page p{color:var(--color-text-secondary)}