:root{--bg-primary: #0a192f;--bg-secondary: #112240;--text-primary: #ccd6f6;--text-secondary: #8892b0;--accent: #64ffda;--danger: #ff5f5f;--font-family: "Inter", system-ui, -apple-system, sans-serif}body{margin:0;padding:0;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased}#root{width:100%;min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-secondary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}:root{--bg-primary: #0a192f;--bg-secondary: #112240;--bg-tertiary: #233554;--text-primary: #ccd6f6;--text-secondary: #8892b0;--accent: #64ffda;--danger: #ff5f5f;--success: #64ffda;--warning: #ffc107;--font-family: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}html{min-height:100%;background-color:var(--bg-primary)}body{min-width:320px;min-height:100vh;margin:0;padding:0;overflow-x:hidden;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased}#root{width:100%;min-height:100vh}button,input{font:inherit}button{min-height:44px}.app-container{display:flex;flex-direction:column;min-height:100vh;min-height:100svh}.alert-banner{position:sticky;top:0;z-index:1000;padding:12px 16px;background-color:var(--danger);color:#fff;font-size:.8rem;font-weight:800;line-height:1.35;text-align:center;text-transform:uppercase;letter-spacing:1px;box-shadow:0 4px 12px #ff5f5f66;animation:pulse 1.5s infinite}.stale-data-banner{position:sticky;top:0;z-index:999;padding:10px 16px;border-bottom:1px solid rgba(255,193,7,.2);background-color:#ffc1071f;color:var(--warning);font-size:.78rem;font-weight:700;line-height:1.35;text-align:center;text-transform:uppercase}.dashboard-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:12px 16px;background-color:var(--bg-primary);border-bottom:2px solid var(--bg-secondary);flex-shrink:0}.header-left{display:flex;min-width:0;align-items:center;gap:10px}.dashboard-logo{width:auto;height:36px;flex:0 0 auto;object-fit:contain}.dashboard-header h1{margin:0;color:#fff;font-size:1.15rem;font-weight:700;line-height:1.1;letter-spacing:.5px}.light-text{color:var(--text-primary);font-weight:400}.header-right{display:flex;min-width:0;flex:1 1 100%;align-items:center;justify-content:space-between;gap:10px}.status-text{min-width:0;overflow:hidden;color:var(--text-secondary);font-size:.75rem;font-weight:500;text-overflow:ellipsis;white-space:nowrap}.status-badge{flex:0 0 auto;padding:5px 10px;border-radius:20px;font-size:.7rem;font-weight:700;text-transform:uppercase}.status-badge.online{background-color:#64ffda1a;border:1px solid rgba(100,255,218,.2);color:var(--accent);box-shadow:0 0 10px #64ffda26}.status-badge.connecting{background-color:#ffc1071a;border:1px solid rgba(255,193,7,.2);color:var(--warning);box-shadow:0 0 10px #ffc10726;animation:pulse-warning 1.5s infinite}.status-badge.offline{background-color:#ff5f5f1a;border:1px solid rgba(255,95,95,.2);color:var(--danger);box-shadow:0 0 10px #ff5f5f26}.status-text.connected{color:var(--accent)}.status-text.connecting{color:var(--warning)}.status-text.disconnected{color:var(--danger)}.dashboard-grid{display:flex;flex:1;flex-direction:column;gap:12px;width:100%;min-width:0;padding:12px}.right-column{display:contents}.panel{display:flex;min-width:0;flex-direction:column;padding:12px;border:1px solid rgba(255,255,255,.05);border-radius:10px;background-color:var(--bg-secondary);box-shadow:0 4px 6px #0003}.panel-header{min-width:0}.panel-header h2{margin:0 0 10px;color:var(--text-secondary);font-size:.78rem;font-weight:600;line-height:1.25;text-transform:uppercase;letter-spacing:1px}.tide-panel{order:1}.cctv-panel{order:2;min-height:0}.chart-panel{order:3;min-height:300px}.cctv-panel .panel-header,.chart-panel .panel-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.cctv-panel .panel-header{flex-wrap:wrap;margin-bottom:10px}.cctv-panel .panel-header h2{margin:0;color:#fff;font-weight:800}.datetime-display{padding:5px 10px;border:1px solid rgba(100,255,218,.15);border-radius:6px;background-color:#64ffda14;color:var(--accent);font-size:.72rem;font-weight:500;line-height:1.2;white-space:nowrap}.cctv-container{position:relative;width:100%;max-height:100%;margin:0 auto;overflow:hidden;aspect-ratio:16 / 9;border-radius:8px;background-color:#000}.tide-content{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px 0}.tide-value{color:#fff;font-size:3.5rem;font-weight:800;line-height:1}.tide-unit{margin-top:5px;color:var(--text-secondary);font-size:1rem}.tide-trend{margin-top:8px;font-size:.85rem;font-weight:600}.tide-trend.rising{color:var(--accent)}.tide-gauge{display:flex;flex-direction:column;align-items:center;padding:10px 0}.tide-gauge-offline svg{opacity:.72}.tide-gauge-offline .tide-zone-arc{stroke:var(--text-secondary)}.tide-gauge-offline text{fill:var(--text-secondary)}.tide-gauge-needle{transition:all .5s ease-out}.tide-status-pill{margin-top:5px;padding:6px 16px;border:1px solid;border-radius:20px;font-size:.9rem;font-weight:700;letter-spacing:1px}.tide-risk-text,.tide-last-upload,.tide-status-message{margin-top:5px;color:var(--text-secondary);font-size:.75rem;line-height:1.3;text-align:center}.tide-status-message{max-width:240px;color:var(--warning)}.chart-container{width:100%;min-width:0;height:260px;margin-left:-12px}.view-history-btn{min-width:96px;padding:8px 12px;border:1px solid var(--accent);border-radius:4px;background:#64ffda1a;color:var(--accent);cursor:pointer;font-size:.72rem;font-weight:700;text-transform:uppercase;transition:all .2s}.view-history-btn:hover{background:#64ffda33;box-shadow:0 0 5px #64ffda33}.health-panel{flex:0 0 auto;flex-direction:row;align-items:center;justify-content:space-between;padding:12px 20px}.health-left h2{margin:0 0 4px}.health-left p{margin:0;color:var(--text-secondary);font-size:.8rem}.health-badges{display:flex;gap:8px}.badge{padding:3px 8px;border-radius:6px;font-size:.7rem;font-weight:600}.badge.success{background-color:#64ffda1a;color:var(--accent)}.sensor-graphs-container{display:flex;min-height:100vh;min-height:100svh;flex-direction:column;gap:14px;padding:12px;background-color:var(--bg-primary)}.graphs-header{display:flex;flex-direction:column;align-items:stretch;gap:12px}.graphs-header-content{flex:1;min-width:0;text-align:center}.graphs-header h2{margin:0 0 10px;color:#fff;font-size:1.2rem;line-height:1.2;text-transform:uppercase;letter-spacing:1px}.back-button,.apply-filter-button{border:1px solid var(--accent);border-radius:4px;color:var(--accent);cursor:pointer;font-weight:700;transition:all .2s}.back-button{width:100%;padding:8px 16px;background:transparent}.back-button:hover,.apply-filter-button:hover:not(:disabled){background:#64ffda1a}.date-controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px}.date-control{display:flex;flex:1 1 145px;align-items:center;gap:6px;color:var(--text-secondary);font-size:.85rem}.date-control input{min-width:0;width:100%;min-height:44px;padding:8px;border:1px solid var(--bg-tertiary);border-radius:4px;background:var(--bg-secondary);color:var(--text-primary)}.apply-filter-button{flex:1 1 120px;padding:8px 12px;background:#64ffda1a}.apply-filter-button:disabled{border-color:var(--bg-tertiary);background:var(--bg-tertiary);color:var(--text-secondary);cursor:not-allowed}.record-count{flex:1 1 100%;color:var(--text-secondary);font-size:.78rem}.graphs-error-message{margin:8px 0 0;color:var(--danger);font-size:.8rem}.graphs-grid{display:grid;grid-template-columns:1fr;gap:14px;flex:1;min-height:0}.graph-card{display:flex;min-width:0;min-height:320px;flex-direction:column;padding:12px;border:1px solid rgba(255,255,255,.05);border-radius:8px;background-color:var(--bg-secondary)}.graph-card h3{margin:0 0 12px;color:var(--text-secondary);font-size:.82rem;line-height:1.3;text-align:center;text-transform:uppercase}.chart-wrapper{width:100%;min-width:0;height:260px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.82}}@keyframes pulse-warning{0%,to{opacity:1}50%{opacity:.6}}@media(min-width:480px){.dashboard-header{padding:12px 20px}.header-right{flex:0 1 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.panel-header{align-items:stretch}.view-history-btn{min-width:112px}}@media(max-width:420px){.dashboard-header{align-items:flex-start}.header-right{align-items:flex-start;flex-direction:column}.status-text{max-width:100%}.status-badge{align-self:flex-start}.chart-panel .panel-header{flex-direction:column}.view-history-btn{width:100%}}