:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#14212b;background:#eef4f5;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,select{font:inherit}button{cursor:pointer}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#0f8b8d2e,#ff6b351f),#eef4f5}.login-panel{width:min(440px,100%);background:#ffffffeb;border:1px solid #dce7ea;border-radius:8px;padding:28px;box-shadow:0 24px 80px #14212b24}.brand-row{display:flex;align-items:center;gap:14px;margin-bottom:28px}.brand-row.compact{margin-bottom:26px}.brand-row h1{margin:0;font-size:1.45rem}.brand-row p{margin:3px 0 0;color:#60717d}.brand-mark{width:46px;height:46px;border-radius:8px;display:grid;place-items:center;color:#fff;background:#0f8b8d}.form{display:grid;gap:14px}label{display:grid;gap:7px;color:#3b4a55;font-weight:700}input,select{width:100%;border:1px solid #cbd8dd;border-radius:6px;background:#fff;color:#14212b;min-height:42px;padding:0 12px}.primary-button,.ghost-button{min-height:42px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;font-weight:800}.primary-button{background:#0f8b8d;color:#fff;padding:0 16px}.ghost-button{background:#eef4f5;color:#243541;padding:0 14px}.error,.notice{margin:0;color:#a02d3f;font-weight:700}.app-shell{min-height:100vh;display:grid;grid-template-columns:280px 1fr}.sidebar{min-height:100vh;padding:22px;background:#fff;border-right:1px solid #dce7ea;display:flex;flex-direction:column}.device-nav{display:grid;gap:8px}.device-nav button{min-height:44px;border:0;border-radius:6px;background:transparent;color:#3b4a55;display:flex;align-items:center;gap:10px;padding:0 12px;text-align:left}.device-nav button.active,.device-nav button:hover{background:#e4f4f2;color:#0b6f72}.logout{margin-top:auto}.content{padding:28px;display:grid;gap:24px;align-content:start}.topbar,.section-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.eyebrow{margin:0 0 4px;color:#0f8b8d;font-size:.76rem;font-weight:900;text-transform:uppercase;letter-spacing:0}h2,h3{margin:0}h2{font-size:2rem}h3{font-size:1.25rem}.status-pill{min-height:38px;border-radius:999px;background:#fff;border:1px solid #dce7ea;padding:0 14px;display:flex;align-items:center;gap:8px;color:#3b4a55}.topbar-status{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:10px}.refresh-pill{color:#0b6f72;background:#e4f4f2;border-color:#cfe6e4;font-weight:900}.refresh-setting{min-height:38px;border-radius:999px;background:#fff;border:1px solid #dce7ea;padding:0 8px 0 12px;display:flex;align-items:center;gap:8px;color:#3b4a55;font-size:.85rem;font-weight:900}.refresh-setting input{width:64px;min-height:28px;border-radius:999px;padding:0 8px;text-align:center}.kpi-grid{display:grid;grid-template-columns:repeat(6,minmax(150px,1fr));gap:14px}.metric-tile,.chart-section,.admin-panel{background:#fff;border:1px solid #dce7ea;border-radius:8px}.metric-tile{min-height:148px;padding:16px;display:grid;gap:7px}.tile-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:8px;color:#0f8b8d;background:#e4f4f2}.metric-tile svg{width:19px;height:19px}.metric-tile p{margin:0;color:#60717d;font-weight:800}.metric-tile strong{font-size:1.55rem;line-height:1.1}.metric-tile span{color:#6d7d86;font-size:.9rem}.chart-section,.admin-panel,.metric-group{padding:18px}.metric-overview{display:grid;grid-template-columns:repeat(3,minmax(240px,1fr));gap:14px}.metric-group{background:#fff;border:1px solid #dce7ea;border-radius:8px}.metric-list{display:grid;gap:8px;margin-top:14px}.metric-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(84px,34%);gap:6px 12px;align-items:baseline;min-height:42px;padding:9px 10px;border:1px solid #e2ebee;border-radius:6px;background:#fbfdfe}.metric-row span{color:#3b4a55;font-weight:800;overflow-wrap:anywhere}.metric-row strong{color:#14212b;font-size:1.05rem;text-align:right;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.metric-row small{grid-column:1 / -1;color:#6d7d86}.chart-frame{height:360px;margin-top:18px}.chart-controls{display:flex;align-items:center;justify-content:flex-end;gap:10px;width:min(760px,100%)}.chart-controls label{display:grid;gap:5px;color:#60717d;font-size:.78rem;font-weight:900}.chart-controls input{width:190px;min-height:42px}.toggle-button{align-self:end;min-height:42px;border:1px solid #cbd8dd;border-radius:6px;background:#eef4f5;color:#243541;padding:0 12px;font-weight:900}.toggle-button.active{border-color:#0f8b8d;background:#e4f4f2;color:#0b6f72}.export-button{align-self:end;min-height:42px;border:0;border-radius:6px;background:#0f8b8d;color:#fff;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:900}.export-button:disabled{cursor:not-allowed;opacity:.48}.multi-select{position:relative;width:min(360px,100%)}.multi-select summary{min-height:42px;border:1px solid #cbd8dd;border-radius:6px;background:#fff;color:#14212b;padding:0 12px;display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;cursor:pointer;font-weight:800}.multi-select summary::-webkit-details-marker{display:none}.multi-select[open] summary{border-color:#0f8b8d}.multi-select-menu{position:absolute;z-index:20;right:0;top:calc(100% + 8px);width:min(420px,88vw);max-height:420px;overflow:auto;background:#fff;border:1px solid #dce7ea;border-radius:8px;box-shadow:0 18px 50px #14212b29;padding:12px}.quick-selects{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.quick-selects button{min-height:34px;border:1px solid #cbd8dd;border-radius:6px;background:#eef4f5;color:#243541;padding:0 10px;font-weight:800}.metric-options{display:grid;gap:6px}.metric-option{min-height:36px;display:grid;grid-template-columns:18px 1fr;align-items:center;gap:10px;padding:7px 8px;border-radius:6px;color:#3b4a55;font-weight:800}.metric-option:hover{background:#e4f4f2}.metric-option input{width:18px;min-height:18px;accent-color:#0f8b8d}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.inline-form{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px}.inline-form .primary-button{grid-column:span 2}.list{display:grid;gap:8px;margin-top:18px}.list-row{min-height:48px;border:1px solid #e2ebee;border-radius:6px;display:grid;grid-template-columns:1fr 1.4fr auto;align-items:center;gap:10px;padding:8px 10px}.list-row small{color:#60717d;overflow-wrap:anywhere}.row-actions,.edit-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px}.list-row button,.edit-actions button{width:34px;height:34px;border:0;border-radius:6px;display:grid;place-items:center;color:#a02d3f;background:#fae9ec}.list-row .edit-button{color:#0b6f72;background:#e4f4f2}.edit-actions .save-button{color:#fff;background:#0f8b8d}.edit-actions .cancel-button{color:#3b4a55;background:#eef4f5}.list-edit{grid-column:1 / -1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr)) auto;gap:8px;align-items:center;width:100%}.list-edit.device-edit{grid-template-columns:repeat(2,minmax(0,1fr))}.list-edit.device-edit .edit-actions{grid-column:1 / -1}@media(max-width:1080px){.app-shell{grid-template-columns:1fr}.sidebar{min-height:auto;border-right:0;border-bottom:1px solid #dce7ea}.device-nav{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.logout{margin-top:18px}.kpi-grid{grid-template-columns:repeat(2,minmax(150px,1fr))}.metric-overview{grid-template-columns:repeat(2,minmax(220px,1fr))}.admin-grid{grid-template-columns:1fr}}@media(max-width:620px){.content{padding:18px}.topbar,.section-heading{align-items:flex-start;flex-direction:column}.topbar-status{align-items:stretch;justify-content:flex-start;width:100%}.multi-select{width:100%}.chart-controls{width:100%;align-items:stretch;flex-direction:column}.chart-controls input{width:100%}.multi-select-menu{left:0;right:auto;width:100%}h2{font-size:1.55rem}.kpi-grid,.metric-overview,.inline-form{grid-template-columns:1fr}.inline-form .primary-button{grid-column:auto}.list-row{grid-template-columns:1fr 34px}.list-row small{grid-column:1 / -1;grid-row:2}.row-actions{grid-row:1;grid-column:2}.list-edit,.list-edit.device-edit{grid-template-columns:1fr}.list-edit.device-edit .edit-actions{grid-column:auto}}