:root{
  --paper:#F1ECE1; --paper-2:#E8E2D4; --ink:#1B1915; --ink-2:#3A372F;
  --ink-soft:#76705F; --line:#1B1915; --line-soft:#C6BFAD; --accent:#DB360C;
  --grid:rgba(27,25,21,.05);
  --danger:#DB360C;
}
*{box-sizing:border-box;}
body{
  margin:0;min-height:100vh;display:flex;align-items:flex-start;justify-content:center;
  padding:56px 20px;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:40px 40px;
}
.card{
  width:100%;max-width:540px;background:var(--paper);border:1.5px solid var(--ink);
  border-radius:6px;padding:40px;box-shadow:0 20px 60px rgba(27,25,21,.08);
}
.card.wide{max-width:1060px;padding:44px;}
.brand{font-family:"IBM Plex Mono",ui-monospace,monospace;font-weight:600;font-size:22px;letter-spacing:.02em;margin:0 0 28px;}
.brand span,.mir{color:var(--accent);}
h2{
  font-family:"IBM Plex Mono",monospace;font-weight:500;font-size:14px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-2);margin:34px 0 16px;padding-bottom:12px;border-bottom:1px solid var(--line-soft);
}
h2:first-of-type{margin-top:0;}
label{display:block;margin:0 0 16px;font-family:"IBM Plex Mono",monospace;font-size:13px;letter-spacing:.03em;color:var(--ink-soft);}
input,select,textarea{
  width:100%;margin-top:7px;padding:13px 15px;background:#FBF8F1;border:1.5px solid var(--line-soft);
  border-radius:4px;color:var(--ink);font-size:15px;font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);}
textarea{resize:vertical;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;}
button{
  font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:15px;padding:14px 24px;
  background:var(--accent);color:#fff;border:1.5px solid var(--accent);border-radius:4px;cursor:pointer;
  transition:transform .12s;
}
button:hover{transform:translateY(-1px);}
button.sm{padding:8px 13px;font-size:13px;}
button.danger{background:transparent;color:var(--accent);border-color:var(--line-soft);}
button.danger:hover{background:var(--accent);color:#fff;border-color:var(--accent);}
form > button[type=submit]{width:100%;margin-top:10px;}
a{color:var(--accent);text-decoration:none;}
a:hover{text-decoration:underline;}
.muted{color:var(--ink-soft);font-size:14px;}
.error{
  font-family:"IBM Plex Mono",monospace;font-size:14px;background:var(--paper-2);
  border-left:3px solid var(--accent);color:var(--ink);padding:13px 16px;border-radius:0 4px 4px 0;
}
.row{display:flex;align-items:center;justify-content:space-between;gap:14px;}
.logout{font-family:"IBM Plex Mono",monospace;font-size:13px;}
.status{
  font-size:15px;padding:14px 16px;margin:12px 0 20px;background:var(--paper-2);
  border:1px solid var(--line-soft);border-left:3px solid var(--accent);border-radius:0 4px 4px 0;
}
.sublabel{margin-top:10px;}
.suburl{display:flex;gap:10px;}
.suburl input{margin-top:0;}
.suburl button{white-space:nowrap;background:var(--ink);border-color:var(--ink);}
.qr{margin:22px auto;width:210px;}
.qr svg{width:100%;height:auto;background:#fff;padding:12px;border:1.5px solid var(--ink);border-radius:6px;}
table.admin{width:100%;border-collapse:collapse;font-size:14px;}
table.admin th{
  font-family:"IBM Plex Mono",monospace;font-weight:500;font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-soft);text-align:left;padding:11px 10px;border-bottom:1.5px solid var(--ink);
}
table.admin td{padding:12px 10px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top;}
table.admin td.actions{display:flex;gap:7px;flex-wrap:wrap;}
table.admin form{margin:0;}
.add{margin:14px 0 6px;border:1.5px solid var(--line-soft);border-radius:4px;padding:8px 16px;}
.add summary{cursor:pointer;font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--accent);font-size:14px;padding:9px 0;}
.add form{margin-top:10px;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;}
@media (max-width:560px){ .grid2{grid-template-columns:1fr;} }
.log{
  background:var(--ink);color:#E8E2D4;border-radius:6px;padding:16px;
  font:13px/1.6 "IBM Plex Mono",ui-monospace,monospace;max-height:420px;overflow:auto;white-space:pre-wrap;
}

.who{font-weight:600;font-size:21px;}
.device{border:1.5px solid var(--line-soft);border-radius:5px;padding:18px;margin:14px 0;}
.dev-label{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:15px;}

/* tabs */
.tabs{display:flex;gap:5px;flex-wrap:wrap;margin:0 0 26px;border-bottom:1.5px solid var(--ink);}
.tab{
  background:none;color:var(--ink-soft);border:1.5px solid transparent;border-bottom:none;
  border-radius:4px 4px 0 0;font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:15px;
  padding:13px 22px;margin-bottom:-1.5px;cursor:pointer;
}
.tab:hover{color:var(--ink);transform:none;}
.tab.active{color:var(--ink);border-color:var(--ink);border-bottom:1.5px solid var(--paper);background:var(--paper);}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadein .2s ease;}
@keyframes fadein{from{opacity:0;}to{opacity:1;}}

/* notification toast (dedicated, fixed — does not shift content) */
.toast{
  position:fixed;top:22px;left:50%;transform:translateX(-50%);z-index:100;
  max-width:min(620px,92vw);display:flex;align-items:center;gap:16px;
  background:var(--ink);color:var(--paper);border:1.5px solid var(--ink);border-left:4px solid var(--accent);
  padding:15px 18px;border-radius:5px;box-shadow:0 14px 44px rgba(0,0,0,.32);
  font-family:"IBM Plex Mono",monospace;font-size:14px;line-height:1.5;animation:toastin .22s ease;
}
.toast-x{
  background:none;border:none;color:var(--paper);font-size:22px;line-height:1;padding:0 2px;
  cursor:pointer;flex:none;
}
.toast-x:hover{color:var(--accent);transform:none;}
@keyframes toastin{from{opacity:0;transform:translate(-50%,-8px);}to{opacity:1;transform:translate(-50%,0);}}