/* style.css - Tema dark (ispirato al concentratore Zigbee Omnima).
   Solo colori/estetica: le classi restano identiche alla versione light. */
:root{
  --bg:#0d1017;          /* sfondo pagina, blu-notte quasi nero */
  --panel:#171a21;       /* card / pannelli */
  --panel-2:#1b1f27;     /* pannelli annidati / righe alternate */
  --line:#252a33;        /* bordi sottili */
  --ink:#e7eaf0;         /* testo principale */
  --muted:#8b95a3;       /* testo secondario / label */
  --brand:#3b6fd4;       /* blu accento (logo) */
  --brand-600:#4f83e8;
  --accent:#37c26e;      /* verde accento (stati/valori) */
  --accent-600:#2ea862;
  --ok:#37c26e;
  --warn:#e0a72b;
  --err:#f74a44;         /* rosso offline */
  --font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px}

.topbar{display:flex;align-items:center;gap:20px;background:var(--panel);
  border-bottom:1px solid var(--line);color:var(--ink);padding:14px 22px}
.topbar .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:36px;color:#fff}
.brand-logo{height:56px;width:auto;display:block}
.topbar nav{margin-left:auto;display:flex;align-items:center;gap:16px}
.topbar a{color:var(--muted);text-decoration:none}
.topbar a:hover{color:#fff}
.topbar .who{color:#66707e;font-size:13px}
.btn{background:#232833;padding:6px 12px;border-radius:6px;border:1px solid var(--line)}

main{max-width:1100px;margin:24px auto;padding:0 18px}
h1{font-size:22px;color:#fff;font-weight:600}
h2{font-size:15px;color:#fff;margin:0;font-weight:600}

.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:20px;margin:16px 0}
.card.narrow{max-width:380px;margin:60px auto}
.row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}

label{display:block;margin:12px 0 4px;color:var(--muted);font-size:13px}
input,select{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:7px;
  font:inherit;background:#0f131a;color:var(--ink)}
input:focus,select:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(59,111,212,.25)}
button{background:var(--brand);color:#fff;border:0;border-radius:7px;padding:9px 16px;
  font-weight:600;cursor:pointer;margin-top:12px}
button:hover{background:var(--brand-600)}
button.small{padding:5px 10px;margin:0;font-size:13px}
button.danger{background:var(--err)}

table.grid{width:100%;border-collapse:collapse;background:var(--panel);
  border:1px solid var(--line);border-radius:12px;overflow:hidden}
.grid th{background:var(--panel-2);color:var(--muted);text-align:left;
  padding:11px 12px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;
  border-bottom:1px solid var(--line)}
.grid td{padding:11px 12px;border-top:1px solid var(--line)}
.grid tr:nth-child(even) td{background:var(--panel-2)}
.grid a{color:var(--brand-600);text-decoration:none;font-weight:600}
.grid a:hover{color:#fff}

.actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.actions form{display:inline;margin:0}
.actions select{width:auto}

.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;
  vertical-align:middle}
.dot.on{background:var(--accent);box-shadow:0 0 6px rgba(55,194,110,.6)}
.dot.off{background:#4a525e}

.cards{display:flex;gap:14px;flex-wrap:wrap;margin:16px 0}
.stat{flex:1;min-width:120px;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:18px}
.stat span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;
  letter-spacing:.05em;margin-bottom:8px}
.stat b{font-size:30px;color:var(--accent);font-weight:700}

.muted{color:var(--muted)}
.flash{padding:10px 14px;border-radius:8px;margin:10px 0;border:1px solid transparent}
.flash.error{background:rgba(247,74,68,.12);color:#ff8b86;border-color:rgba(247,74,68,.35)}
.flash.ok{background:rgba(55,194,110,.12);color:#6fe09b;border-color:rgba(55,194,110,.35)}

.inline-form{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.inline-form input,.inline-form select{width:auto}
.inline-form button{margin-top:0}

a{color:var(--brand-600)}
@media(max-width:600px){.topbar{flex-wrap:wrap;gap:10px}.topbar nav{gap:10px}}