:root{--ink:#192636;--muted:#738092;--line:#e5eaf0;--blue:#315cfa;--bg:#f5f7fb}*{box-sizing:border-box}body{font-family:Inter,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:14px}a{text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:244px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);padding:30px 20px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{font-size:29px;font-weight:750;color:#162339;letter-spacing:-1px;display:flex;align-items:center;gap:8px}.brand-icon{background:var(--blue);color:#fff;font-size:24px;width:35px;height:35px;line-height:30px;text-align:center;border-radius:9px}.brand-dot{color:var(--blue);margin-left:-8px}.workspace{display:flex;gap:10px;align-items:center;margin:34px 0 30px;font-size:11px;font-weight:600}.workspace small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.workspace-icon{background:#f0f3fa;padding:10px;border-radius:8px;color:#69788b}.nav-label,.eyebrow{font-size:10px;letter-spacing:1.5px;font-weight:700;color:#8995a5;margin:0 12px 12px}.sidebar nav a{display:flex;align-items:center;gap:13px;padding:12px 14px;margin:4px 0;color:#687587;font-size:13px;border-radius:8px;font-weight:550}.sidebar nav a span{width:19px;font-size:19px;line-height:20px;text-align:center}.sidebar nav a.selected{color:var(--blue);background:#edf1ff}.sidebar nav a:hover{background:#f3f5fa}.sidebar-bottom{margin-top:auto;border:1px solid var(--line);border-radius:9px;padding:15px;font-size:12px}.sidebar-bottom .small{font-size:10px;color:var(--muted)}.main-shell{flex:1;min-width:0}.topbar{height:74px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 36px;background:#fff;font-size:11px;color:var(--muted)}.topbar form{display:flex;align-items:center;gap:14px}.test-pill{font-size:8px;letter-spacing:.7px;color:#9a792a;background:#fff9e9;padding:6px 8px;border-radius:5px;margin-left:12px}.admin-label{color:var(--ink);font-weight:600}main{padding:32px 36px;max-width:1640px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;gap:16px}.eyebrow{margin:0 0 9px;color:#7a879a;font-size:9px}h1{font-size:28px;font-weight:700;letter-spacing:-.8px;margin:0 0 8px}.page-heading p{color:var(--muted);font-size:12px;margin:0}.btn{border-radius:7px;font-size:12px;padding:9px 15px;font-weight:600}.btn-primary{background:var(--blue);border-color:var(--blue)}.btn-outline-secondary{border-color:#dbe2eb;color:#556477;background:white}.btn-sm{padding:6px 10px;font-size:11px}.btn-light{border:1px solid var(--line);background:#fff}.heading-actions{display:flex;gap:8px;flex-wrap:wrap}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:26px}.metric{background:#fff;border:1px solid var(--line);border-radius:11px;padding:19px 22px}.metric-label{font-size:11px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}.metric-icon{background:#f2f5fd;border-radius:7px;padding:5px 8px;color:#7690d5}.metric-value{font-size:31px;font-weight:650;margin-top:6px;letter-spacing:-1px}.metric-note{font-size:10px;color:#9aa4b1;margin-top:2px}.panel{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden;margin-bottom:23px}.panel-heading{padding:20px 23px;border-bottom:1px solid #edf0f5;display:flex;justify-content:space-between;align-items:center;gap:12px}.panel-heading h2{font-size:14px;font-weight:650;margin:0}.panel-heading p{font-size:11px;color:var(--muted);margin:5px 0 0}.panel-body{padding:24px}.table{font-size:12px;margin:0}.table>:not(caption)>*>*{padding:16px 23px;border-color:#edf0f5;vertical-align:middle}.table th{font-size:9px;letter-spacing:.8px;text-transform:uppercase;color:#8894a4;background:#fcfdff;font-weight:650}.table td strong{font-size:12px;font-weight:600}.subtext{display:block;font-size:10px;color:#8c98a7;margin-top:5px}.status{font-size:10px;white-space:nowrap;display:inline-flex;align-items:center;gap:5px}.dot{display:inline-block;width:6px;height:6px;border-radius:100%;margin-right:4px;background:#aab4c1}.dot.online{background:#29aa76}.status.ok{color:#218b63}.badge-soft{display:inline-block;border-radius:5px;padding:5px 7px;font-size:9px;background:#f1f4f8;color:#6f7c8e}.badge-soft.success{background:#eaf8f1;color:#25916c}.badge-soft.warning{background:#fff6e6;color:#b88826}.device-icon{width:32px;height:32px;background:#f1f4ff;color:#5874bf;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;margin-right:9px;float:left;font-size:19px}.actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.notice{background:#eef3ff;color:#526995;border:1px solid #dfe7fa;border-radius:8px;font-size:12px;padding:15px 18px;margin-bottom:22px}.form-label{font-size:12px;font-weight:600}.form-control,.form-select{font-size:13px;padding:10px 12px;border-color:#dce3eb;border-radius:7px}.form-text{font-size:11px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.empty{padding:50px 25px;text-align:center;color:var(--muted)}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.video-card{border:1px solid var(--line);border-radius:10px;overflow:hidden}.video-card video{width:100%;aspect-ratio:16/9;background:#111827;display:block}.video-card .body{padding:16px}.video-card h3{font-size:14px}.playlist-row{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:10px}.playlist-row.dragging{opacity:.4}.drag{cursor:grab;font-size:21px;color:#9da9b7}.playlist-row .item-title{flex:1}.details{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.details dt{font-size:10px;text-transform:uppercase;letter-spacing:.7px;color:#8b98a8;margin-bottom:7px}.details dd{font-size:13px;overflow-wrap:anywhere}.login-body{min-height:100vh;display:grid;place-items:center;background:#f2f5fc}.login-card{width:min(420px,92vw);padding:38px;background:white;border:1px solid var(--line);border-radius:16px;box-shadow:0 14px 60px #23325109}.login-card h1{font-size:24px;margin-top:32px}.login-card p{font-size:13px;color:var(--muted)}footer{padding:0 36px 25px;color:#a2adbb;font-size:10px;display:flex;justify-content:space-between}.muted{color:var(--muted)}code{color:#526797}.activity{padding:14px 23px;border-bottom:1px solid #f0f2f6;display:flex;justify-content:space-between;font-size:11px}.pagination{margin:15px}.device-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.device-card{padding:23px;border:1px solid var(--line);border-radius:10px}.device-card h3{font-size:15px}.device-card .content-name{font-size:20px;font-weight:600;margin:18px 0 7px}.device-card .actions{margin-top:22px}@media(max-width:1100px){.sidebar{width:200px;padding:25px 12px}.topbar{padding:0 24px}main{padding:25px 24px}.video-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.app-shell{display:block}.sidebar{position:static;width:auto;height:auto;padding:15px}.brand{font-size:23px}.workspace,.nav-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;overflow:auto;margin-top:12px}.sidebar nav a{white-space:nowrap;font-size:11px;padding:8px}.sidebar nav a span{display:none}.topbar{height:55px;padding:0 15px}.test-pill,.admin-label{display:none}main{padding:24px 16px}.page-heading{align-items:flex-start;flex-direction:column}.metrics{grid-template-columns:repeat(2,1fr);gap:10px}.metric{padding:15px}.form-grid,.details,.device-card-grid,.video-grid{grid-template-columns:1fr}.table>:not(caption)>*>*{padding:13px}.panel-body{padding:18px}footer{padding:0 16px 20px}.playlist-row{flex-wrap:wrap}h1{font-size:25px}}