:root{--navy:#0b1f3a;--blue:#1769e0;--blue2:#0f5bc4;--bg:#f5f7fb;--card:#fff;--text:#12233f;--muted:#6b7a90;--line:#e4e9f1;--green:#12b76a;--red:#ef4444;--shadow:0 12px 30px rgba(15,35,65,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text)}
button,input,select{font:inherit}.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px;background:radial-gradient(circle at 10% 10%,#2d8cff 0,#125ac7 28%,#071b35 80%);position:relative;overflow:hidden}.login-bg:before,.login-bg:after{content:"";position:absolute;border-radius:50%;background:#fff1;filter:blur(2px)}.login-bg:before{width:420px;height:420px;right:-130px;top:-150px}.login-bg:after{width:320px;height:320px;left:-140px;bottom:-130px}
.login-card{position:relative;z-index:1;width:min(440px,94vw);background:rgba(255,255,255,.98);padding:38px;border-radius:24px;box-shadow:0 30px 90px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.7)}.brand-mark{width:64px;height:64px;margin:0 auto 16px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#1769e0,#0e4ba8);color:#fff;font-size:31px;font-weight:900;box-shadow:0 12px 25px #1769e044}.login-card h1{text-align:center;margin:0;font-size:28px;letter-spacing:-.5px}.login-card .subtitle{text-align:center;color:var(--muted);margin:7px 0 26px}.login-card form{display:grid;gap:9px}.login-card label{font-weight:700;font-size:13px;color:#27364d;margin-top:5px}.field{position:relative}.field input{padding-right:48px}.password-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:#6b7a90;cursor:pointer;padding:6px}.login-card .small{font-size:12px;color:#7b8799;margin-top:18px;text-align:center}.login-footer{text-align:center;color:#98a2b3;font-size:11px;margin-top:22px}
input,select,textarea{width:100%;padding:12px 13px;border:1px solid #d9e0ea;border-radius:10px;background:#fff;color:var(--text);outline:none;transition:.2s}input:focus,select:focus,textarea:focus{border-color:#1769e0;box-shadow:0 0 0 4px #1769e01a}.btn{border:0;border-radius:10px;padding:11px 16px;cursor:pointer;font-weight:750;transition:.18s;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn:hover{transform:translateY(-1px)}.primary{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;box-shadow:0 8px 18px #1769e033}.success{background:#10a85f;color:#fff}.danger{background:#e53935;color:#fff}.muted{background:#edf2f8;color:#344054}.full{width:100%;margin-top:9px}.alert{padding:11px 13px;border-radius:10px;margin:12px 0}.alert.danger{background:#fff0f0;color:#b42318;border:1px solid #ffd1d1}
.shell{display:flex;min-height:100vh}.side{width:252px;background:linear-gradient(180deg,#0a1d36,#102b4e);color:#fff;padding:22px 16px;position:fixed;inset:0 auto 0 0;z-index:10;box-shadow:8px 0 30px #071b3514}.brand-row{display:flex;align-items:center;gap:11px;padding:3px 8px 25px}.brand-mini{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:#1769e0;font-weight:900}.brand-name{font-size:16px;font-weight:800}.brand-sub{font-size:10px;color:#9fb2ca;margin-top:2px}.nav-title{font-size:10px;color:#7890ad;font-weight:800;letter-spacing:1px;padding:8px 11px}.nav a{display:flex;align-items:center;gap:11px;color:#dbe7f7;text-decoration:none;padding:11px 12px;border-radius:10px;margin:4px 0;font-size:14px}.nav a:hover,.nav a.active{background:#1a4775;color:#fff}.nav a .nav-icon{width:22px;text-align:center}.side-bottom{position:absolute;left:16px;right:16px;bottom:18px;border-top:1px solid #ffffff14;padding-top:14px}.main{margin-left:252px;flex:1;padding:30px;min-width:0}.top{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:26px}.page-kicker{font-size:12px;color:#7b8799;font-weight:700;text-transform:uppercase;letter-spacing:.8px;margin-bottom:4px}.top h1{font-size:30px;line-height:1.1;margin:0;letter-spacing:-.7px}.welcome{color:var(--muted);font-size:14px;margin-top:6px}.user-pill{background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px 12px;box-shadow:var(--shadow);font-size:13px;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:15px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.stat-card{position:relative;overflow:hidden;min-height:118px}.stat-card:after{content:"";position:absolute;width:75px;height:75px;border-radius:50%;right:-28px;bottom:-30px;background:#1769e00d}.stat-label{font-size:13px;color:var(--muted);font-weight:650}.stat{font-size:31px;font-weight:850;margin-top:8px;letter-spacing:-.5px}.stat-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#edf4ff;margin-bottom:9px}.stat-green{color:#087443}.stat-red{color:#b42318}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:28px 0 12px}.section-head h2{font-size:20px;margin:0}.refresh-note{font-size:12px;color:#7b8799}.device-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:15px}.device-card{position:relative}.device-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.device-name{font-size:17px;font-weight:800}.device-school{font-size:12px;color:#1769e0;font-weight:700;margin-top:3px}.device-location{font-size:13px;color:var(--muted);margin-top:7px}.connection-status{display:inline-flex;align-items:center;gap:7px;font-weight:750;font-size:12px;white-space:nowrap}.connection-dot{width:9px;height:9px;border-radius:50%;display:inline-block}.connection-dot.connected{background:var(--green);box-shadow:0 0 0 4px #12b76a18}.connection-dot.disconnected{background:var(--red);box-shadow:0 0 0 4px #ef444418}.status-connected{color:#087443}.status-disconnected{color:#b42318}.state-row{display:flex;justify-content:space-between;align-items:center;margin:20px 0 13px;padding-top:14px;border-top:1px solid #edf1f5}.state{font-size:20px;font-weight:850}.state.on{color:#087443}.state.off{color:#475467}.actions{display:flex;gap:8px}.actions .btn{flex:1}.last-seen{font-size:11px;color:#7b8799;margin-top:12px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow)}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:13px;border-bottom:1px solid #edf0f4;text-align:left;font-size:13px}.table th{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:#667085;background:#fafbfc}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:15px}.modal{position:fixed;inset:0;background:#0007;display:none;place-items:center;z-index:30}.modal .box{background:#fff;border-radius:16px;padding:24px;width:min(500px,92vw)}
@media(max-width:1100px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:800px){.side{width:72px;padding:14px 9px}.brand-row{justify-content:center;padding:3px 0 22px}.brand-name,.brand-sub,.nav-title,.side-bottom{display:none}.brand-mini{width:42px}.nav a{justify-content:center;font-size:0;padding:12px}.nav a .nav-icon{font-size:18px}.main{margin-left:72px;padding:18px}.top{flex-direction:column}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.grid{grid-template-columns:1fr}.device-grid{grid-template-columns:1fr}.main{padding:14px}.login-card{padding:28px 22px}}

.logout-link{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none;padding:11px 12px;border-radius:10px;margin:0;font-size:14px;font-weight:800;background:linear-gradient(135deg,#ef4444,#c81e1e);box-shadow:0 7px 18px rgba(239,68,68,.28);transition:.18s}.logout-link:hover{transform:translateY(-1px);background:linear-gradient(135deg,#f04444,#b91c1c);box-shadow:0 10px 22px rgba(239,68,68,.35)}.logout-link .nav-icon{width:22px;text-align:center}
@media(max-width:800px){.logout-link{justify-content:center;font-size:0;padding:12px}.logout-link .nav-icon{font-size:18px}}

/* Command Logs */
.log-toolbar-card{margin-bottom:16px}.log-filters{align-items:flex-end;margin:0}.log-filters>div{min-width:150px}.log-filters label{display:block;font-size:11px;font-weight:800;color:#667085;text-transform:uppercase;letter-spacing:.45px;margin:0 0 6px}.log-filters .filter-actions{display:flex;gap:8px;min-width:auto}.log-card{padding:0;overflow:hidden}.log-scroll{max-height:62vh;min-height:260px;overflow:auto}.log-scroll::-webkit-scrollbar{width:9px;height:9px}.log-scroll::-webkit-scrollbar-track{background:#f1f4f8}.log-scroll::-webkit-scrollbar-thumb{background:#b8c3d2;border-radius:20px}.log-table{min-width:780px}.log-table thead th{position:sticky;top:0;z-index:2;box-shadow:0 1px 0 #e4e9f1}.log-table tbody tr:hover{background:#f8fbff}.log-action,.log-status{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.25px}.log-action.on{background:#e9f9f0;color:#087443}.log-action.off{background:#eef2f6;color:#475467}.log-status.success,.log-status.done{background:#e9f9f0;color:#087443}.log-status.failed{background:#fff0f0;color:#b42318}.log-status.queued,.log-status.pending{background:#fff7e6;color:#9a6700}.log-status.sent{background:#eaf2ff;color:#175cd3}.empty-log{text-align:center!important;padding:40px!important;color:#7b8799}.log-footer{padding:11px 15px;border-top:1px solid var(--line);background:#fafbfc;color:#7b8799;font-size:12px}@media(max-width:700px){.log-filters>div{width:100%;min-width:100%}.log-filters .filter-actions{width:100%}.log-filters .filter-actions .btn{flex:1}.log-scroll{max-height:65vh}}