:root{
  --bg:#0b0e14; --panel:#121722; --panel2:#171d2b; --line:#232c3d;
  --txt:#e6ecf5; --muted:#8a96ab; --brand:#3b82f6; --brand2:#2563eb;
  --green:#22c55e; --yellow:#eab308; --orange:#f97316; --red:#ef4444; --gray:#64748b;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--txt);font:14px/1.5 system-ui,Segoe UI,Roboto,sans-serif}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}

/* layout */
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:linear-gradient(180deg,#0d1119,#0b0e14);border-right:1px solid var(--line);padding:18px 12px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;padding:6px 8px 18px}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px var(--brand)}
.nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;color:var(--muted);font-weight:600}
.nav a:hover{background:var(--panel);color:var(--txt)}
.nav a.active{background:var(--panel2);color:#fff;border:1px solid var(--line)}
.main{padding:24px 28px;overflow:auto}
.head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.head h1{margin:0;font-size:22px}
.muted{color:var(--muted)}

/* controls */
.btn{background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:9px 14px;border-radius:10px;font-weight:600}
.btn:hover{border-color:#38445c}
.btn.primary{background:var(--brand2);border-color:var(--brand2)}
.btn.primary:hover{background:var(--brand)}
.btn.danger{background:transparent;border-color:#5b2330;color:#fca5a5}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:8px}
input,select,textarea{background:#0c1119;border:1px solid var(--line);color:var(--txt);padding:9px 11px;border-radius:9px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand)}
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1;min-width:120px}

/* cards / grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.card .thumb{aspect-ratio:16/9;background:#0c1119;width:100%;object-fit:cover;display:block;border-bottom:1px solid var(--line)}
.card .body{padding:14px}
.card .title{font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:8px}
.card .sub{color:var(--muted);font-size:12px;margin-top:2px}
.card .foot{display:flex;gap:8px;padding:0 14px 14px;flex-wrap:wrap}

/* status chips */
.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:700;border:1px solid var(--line)}
.chip .b{width:8px;height:8px;border-radius:50%}
.s-monitorando{color:#bbf7d0} .s-monitorando .b{background:var(--green);box-shadow:0 0 8px var(--green)}
.s-fora_horario{color:#fde68a} .s-fora_horario .b{background:var(--yellow)}
.s-sem_sinal{color:#fed7aa} .s-sem_sinal .b{background:var(--orange);box-shadow:0 0 8px var(--orange)}
.s-ia_desligada{color:#fca5a5} .s-ia_desligada .b{background:var(--red)}
.s-inativa{color:#94a3b8} .s-inativa .b{background:var(--gray)}

/* table */
table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:none}

/* toggle */
.sw{position:relative;width:42px;height:24px;flex:0 0 auto}
.sw input{opacity:0;width:0;height:0}
.sw .track{position:absolute;inset:0;background:#33405a;border-radius:999px;transition:.2s}
.sw .track:before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.sw input:checked+.track{background:var(--brand2)}
.sw input:checked+.track:before{transform:translateX(18px)}

/* modal */
.modal{position:fixed;inset:0;background:rgba(3,6,12,.66);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal.open{display:flex}
.modal .box{background:var(--panel);border:1px solid var(--line);border-radius:16px;width:min(920px,96vw);max-height:92vh;overflow:auto;padding:20px}
.modal .box.wide{width:min(1100px,96vw)}
.modal h2{margin:0 0 12px}
.modal .actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}

/* editor de zonas */
.editor{display:grid;grid-template-columns:1fr 280px;gap:16px}
.stage{position:relative;background:#0c1119;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.stage img{display:block;width:100%;user-select:none;-webkit-user-drag:none}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair}
.rule-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:9px;margin-bottom:8px}
.tag{font-size:11px;padding:2px 7px;border-radius:6px;background:#0c1119;border:1px solid var(--line);color:var(--muted)}
.empty{padding:40px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:12px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#0c1119;border:1px solid var(--line);padding:12px 18px;border-radius:12px;z-index:80;opacity:0;transition:.25s}
.toast.show{opacity:1}
.toast.err{border-color:#5b2330}