:root{color:#172026;background:#f4f6f3;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;letter-spacing:0}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,select,textarea{font:inherit}button{align-items:center;border:0;border-radius:6px;background:#194d44;color:#fff;cursor:pointer;display:inline-flex;height:40px;justify-content:center;min-height:40px;padding:0 14px}button:hover{background:#123b34}button:disabled{background:#a9b8b1;cursor:not-allowed}.app-shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}.sidebar{background:#172026;color:#f8faf9;display:flex;flex-direction:column;gap:36px;padding:28px 22px}.sidebar h1,.topbar h2,.panel h3{margin:0;letter-spacing:0}.sidebar h1{font-size:26px;line-height:1.1}.eyebrow{color:#8fbbae;font-size:12px;font-weight:700;letter-spacing:0;margin:0 0 6px;text-transform:uppercase}.sidebar nav{display:grid;gap:8px}.sidebar a{border-radius:6px;color:#dce7e2;padding:10px 12px;text-decoration:none}.sidebar a[aria-current=page],.sidebar a:hover{background:#25413b;color:#fff}.workspace{min-width:0;padding:28px}.topbar{align-items:center;display:flex;justify-content:space-between;margin-bottom:24px;gap:16px}.topbar h2{font-size:28px}.health{align-items:flex-end;border:1px solid #cfd8d3;border-radius:6px;display:flex;flex-direction:column;min-width:112px;padding:8px 10px}.health span{font-weight:700}.health.online span{color:#176a45}.health.offline span,.health.unavailable span{color:#ad2f2f}.health small{color:#5d6864}.grid{display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);gap:18px}.panel{background:#fff;border:1px solid #d8dfdb;border-radius:8px;padding:18px}.panel h3{font-size:18px;margin-bottom:16px}.panel-heading{align-items:center;display:flex;justify-content:space-between;gap:12px;margin-bottom:12px}.panel-heading.compact{margin-bottom:4px}.login-panel,.create-panel{display:grid;gap:12px}.create-panel{grid-column:1 / -1}.device-panel,.test-panel{display:grid;gap:12px}.device-list-panel{overflow-x:auto}.device-panel>button,.test-panel>button{justify-self:start;min-width:98px}.field-row{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}label{color:#35433e;display:grid;font-size:13px;font-weight:700;gap:6px}input,select,textarea{border:1px solid #c7d1cc;border-radius:6px;color:#172026;min-height:40px;padding:9px 10px;width:100%}input:disabled,select:disabled,textarea:disabled{background:#eef2ef;color:#738078}textarea{resize:vertical}table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid #e3e8e5;padding:10px 8px;text-align:left;vertical-align:top}th{color:#5d6864;font-size:12px;text-transform:uppercase}.actions{display:flex;flex-wrap:wrap;gap:10px}.auth-pill{border:1px solid #c7d1cc;border-radius:999px;color:#5d6864;font-size:12px;font-weight:700;padding:4px 8px}.auth-pill.active,.auth-pill.ready{border-color:#8fbbae;color:#176a45}.auth-pill.offline,.auth-pill.pending{border-color:#ddb6b6;color:#ad2f2f}.session-summary{display:grid;gap:8px}.session-summary span{color:#5d6864;font-size:13px;text-transform:capitalize}.form-message{color:#5d6864;font-size:13px;font-weight:700;margin:0}@media(max-width:820px){.app-shell{grid-template-columns:1fr}.sidebar{gap:18px}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace{padding:20px}.topbar{align-items:flex-start;flex-direction:column}.grid,.field-row{grid-template-columns:1fr}}