:root{
  --bg:#0d1117; --bg2:#131a24; --panel:#172230; --panel2:#1d2a3a;
  --line:#243245; --text:#e6edf3; --muted:#8aa0b6; --dim:#5f7488;
  --free:#2ec16a; --free-bg:#10271a; --occ:#f7b955; --occ-bg:#2a2010;
  --rdp:#5aa9ff; --off:#4a5a6e; --off-bg:#161d27; --accent:#ff4d6d;
  --radius:14px; --shadow:0 6px 24px rgba(0,0,0,.35);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:radial-gradient(1200px 600px at 70% -10%,#1a2738 0,var(--bg) 55%);
  color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit}

/* ---------- login ---------- */
.login-body{display:grid;place-items:center}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:38px 34px;width:min(360px,92vw);box-shadow:var(--shadow);display:grid;gap:14px}
.login-logo{font-size:30px;font-weight:800;letter-spacing:1px;text-align:center;
  background:linear-gradient(90deg,#fff,#9fc4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.login-sub{text-align:center;color:var(--muted);margin-top:-6px;font-size:14px}
.login-card label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
.login-card input{background:var(--bg2);border:1px solid var(--line);border-radius:10px;
  padding:11px 13px;color:var(--text);font-size:15px}
.login-card input:focus{outline:none;border-color:var(--rdp)}
.login-card button{margin-top:6px;background:linear-gradient(90deg,#3b82f6,#2563eb);border:0;
  color:#fff;padding:12px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer}
.login-card button:hover{filter:brightness(1.08)}
.login-err{background:var(--occ-bg);border:1px solid #5a3d12;color:var(--occ);
  padding:9px 12px;border-radius:9px;font-size:13px;text-align:center}

/* ---------- topbar ---------- */
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:18px;
  padding:14px 22px;background:rgba(13,17,23,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.brand{font-size:18px;display:flex;align-items:center;gap:9px;white-space:nowrap}
.dot{width:9px;height:9px;border-radius:50%;background:var(--dim);display:inline-block}
.dot.live{background:var(--free);box-shadow:0 0 0 0 rgba(46,193,106,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,193,106,.55)}70%{box-shadow:0 0 0 8px rgba(46,193,106,0)}100%{box-shadow:0 0 0 0 rgba(46,193,106,0)}}
.topbar-stats{display:flex;gap:8px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;
  font-size:13px;font-weight:600;border:1px solid var(--line);background:var(--panel)}
.pill .n{font-weight:800}
.pill.free{color:var(--free)} .pill.occ{color:var(--occ)} .pill.off{color:var(--muted)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search{background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:9px 13px;
  color:var(--text);font-size:14px;width:190px}
.search:focus{outline:none;border-color:var(--rdp)}
.clock{color:var(--muted);font-variant-numeric:tabular-nums;font-size:14px;min-width:62px;text-align:right}
.btn{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:8px 13px;
  border-radius:9px;font-size:13px;cursor:pointer;text-decoration:none;display:inline-block}
.btn:hover{background:var(--panel2)}
.btn.ghost{background:transparent}
.btn.primary{background:linear-gradient(90deg,#3b82f6,#2563eb);border:0;color:#fff;font-weight:600}

/* ---------- freshness ---------- */
.freshness{padding:0 22px;margin:12px 0 0;color:var(--dim);font-size:12.5px}
.freshness.warn{color:var(--occ)}

/* ---------- board ---------- */
.board{padding:18px 22px 50px;display:grid;gap:26px}
.group-head{display:flex;align-items:baseline;gap:12px;margin:0 2px 12px}
.group-head h2{font-size:16px;margin:0;letter-spacing:.3px}
.group-head .gsum{color:var(--muted);font-size:13px}
.group-head .gbar{flex:1;height:5px;border-radius:3px;background:var(--off-bg);overflow:hidden;max-width:220px}
.group-head .gbar i{display:block;height:100%;background:var(--free)}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}

/* ---------- card ---------- */
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 16px 14px;overflow:hidden;transition:transform .12s,border-color .12s}
.card:hover{transform:translateY(-2px);border-color:var(--panel2)}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--off)}
.card.free::before{background:var(--free)} .card.occupied::before{background:var(--occ)}
.card .name{font-size:16px;font-weight:700;margin:0 0 10px;padding-left:4px;word-break:break-word}
.card .state{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;padding-left:4px}
.statedot{width:10px;height:10px;border-radius:50%;flex:none}
.free .statedot{background:var(--free)} .occupied .statedot{background:var(--occ)} .offline .statedot{background:var(--off)}
.card.free .state{color:var(--free)} .card.occupied .state{color:var(--occ)} .card.offline .state{color:var(--muted)}
.occ-row{margin-top:11px;padding-top:11px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:9px;padding-left:4px}
.avatar{width:30px;height:30px;border-radius:50%;flex:none;display:grid;place-items:center;
  font-size:12px;font-weight:700;background:var(--occ-bg);color:var(--occ)}
.occ-name{font-size:14px;font-weight:600}
.badge{margin-left:auto;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;letter-spacing:.3px}
.badge.local{background:var(--free-bg);color:var(--free)}
.badge.rdp{background:rgba(90,169,255,.12);color:var(--rdp)}
.badge.unknown{background:var(--off-bg);color:var(--muted)}
.card .empty-occ{margin-top:11px;padding-top:11px;border-top:1px solid var(--line);
  color:var(--dim);font-size:13px;padding-left:4px}
.card.hide{display:none}

.empty{padding:60px 22px;text-align:center;color:var(--muted)}

/* ---------- admin ---------- */
.adm-wrap{max-width:1100px;margin:0 auto;padding:22px}
.adm-section{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:20px;margin-bottom:22px}
.adm-section h2{margin:0 0 4px;font-size:17px}
.adm-section .hint{color:var(--muted);font-size:13px;margin:0 0 16px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{background:var(--bg2);border:0;color:var(--muted);padding:9px 16px;cursor:pointer;font-size:13.5px}
.seg button.on{background:var(--rdp);color:#04101f;font-weight:700}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.4px}
td input,td select,.inp{background:var(--bg2);border:1px solid var(--line);border-radius:8px;
  padding:7px 9px;color:var(--text);font-size:13.5px}
td input:focus,.inp:focus{outline:none;border-color:var(--rdp)}
.switch{position:relative;width:42px;height:24px;display:inline-block}
.switch input{display:none}
.switch span{position:absolute;inset:0;background:var(--off);border-radius:999px;cursor:pointer;transition:.15s}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.15s}
.switch input:checked+span{background:var(--free)}
.switch input:checked+span::after{transform:translateX(18px)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.tag{font-size:11px;padding:2px 8px;border-radius:6px;background:var(--off-bg);color:var(--muted)}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--free);
  color:#04140a;padding:10px 18px;border-radius:10px;font-weight:600;opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1}
.adm-top{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.adm-top h1{font-size:20px;margin:0}
.status-chip{font-size:12px;padding:3px 9px;border-radius:6px}
.status-chip.free{background:var(--free-bg);color:var(--free)}
.status-chip.occupied{background:var(--occ-bg);color:var(--occ)}
.status-chip.offline{background:var(--off-bg);color:var(--muted)}