:root{
  --bg:#0a0b0e; --surface:#12151a; --surface-2:#1a1e25; --line:#242a33;
  --text:#e7eaee; --muted:#8a93a2;
  --accent:#5b9dff; --accent-ink:#06142e;
  --ok:#34d399; --danger:#f0556a; --live:#ff4d5e;
  --radius:14px; --shadow:0 8px 30px rgba(0,0,0,.35); --sidebar:248px;
  --panel:var(--surface); --panel2:var(--surface-2);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{color-scheme:dark}
body{margin:0;padding-left:var(--sidebar);min-height:100vh;font-family:Inter,'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;font-size:15px;line-height:1.45;color:var(--text);-webkit-font-smoothing:antialiased;
  background:radial-gradient(1100px 520px at 85% -10%,#15202e 0%,transparent 60%),var(--bg)}
a{color:var(--accent)}

.topbar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);display:flex;flex-direction:column;gap:4px;padding:18px 12px;background:rgba(18,21,26,.94);backdrop-filter:blur(10px);border-right:1px solid var(--line);z-index:30}
.brand-mark{display:flex;align-items:center;gap:11px;padding:4px 10px 20px;text-decoration:none;color:var(--text)}
.brand-mark .mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--accent),#8b5cf6);display:grid;place-items:center;color:#fff;flex:none}
.brand-mark .mark svg{width:19px;height:19px}
.brand-text b{display:block;font-size:1rem;letter-spacing:.2px}
.brand-text small{display:block;color:var(--muted);font-size:.72rem;font-weight:500}
.topbar nav{display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--muted);text-decoration:none;font-weight:600;font-size:.93rem;transition:background .15s,color .15s}
.nav-item svg{width:19px;height:19px;flex:none}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item.active{background:rgba(91,157,255,.14);color:var(--accent)}
.spacer{flex:1}
.user{display:flex;align-items:center;gap:8px;padding:10px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#3b4658,#556277);display:grid;place-items:center;font-weight:700;text-transform:uppercase;flex:none}
.uname{min-width:0;flex:1;font-weight:600;font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uname small{display:block;color:var(--muted);font-weight:500;font-size:.72rem}
button.icon-btn{background:transparent;color:var(--muted);border:0;padding:7px;border-radius:8px;display:grid;place-items:center}
button.icon-btn:hover{background:rgba(255,255,255,.08);color:var(--text);filter:none}
button.icon-btn svg{width:18px;height:18px}

.page{max-width:1500px;margin:0 auto;padding:28px 32px 48px}
h1{font-size:1.5rem;font-weight:700;margin:0 0 6px;color:var(--text);text-align:left;letter-spacing:.2px}
h2{font-size:1.05rem;font-weight:650;margin:0 0 14px;color:var(--text);text-align:left}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px}
.hint{color:var(--muted);font-size:.85rem;margin:4px 0 14px}
.msg{min-height:1.2em;font-size:.85rem;color:var(--accent)}

button{font:inherit;font-weight:600;font-size:.88rem;background:var(--accent);color:var(--accent-ink);border:1px solid transparent;padding:9px 16px;border-radius:10px;cursor:pointer;transition:filter .15s,background .15s}
button:hover{filter:brightness(1.1)}
button:active{transform:translateY(1px)}
button:disabled{opacity:.5;cursor:default}
button.ghost{background:transparent;color:var(--text);border-color:var(--line)}
button.ghost:hover{background:var(--surface-2);filter:none}
button.danger{background:var(--danger);color:#fff}
button.small{padding:5px 10px;font-size:.78rem;margin:2px 6px 2px 0;border-radius:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input,select,textarea{font:inherit;background:#0e1115;color:var(--text);border:1px solid var(--line);padding:10px 12px;border-radius:10px}
input::placeholder{color:#5f6877}
input:focus,select:focus{border-color:var(--accent)}
input[type=checkbox]{accent-color:var(--accent);width:auto;padding:0}
input[type=date]{color-scheme:dark}
.form-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
.form-row input[type=text],.form-row input[type=password]{flex:1;min-width:180px}
.chk{display:flex;align-items:center;gap:6px}
.center-row{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 0}
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:3px;gap:2px}
.seg button{background:transparent;color:var(--muted);border:0;padding:6px 12px;border-radius:9px}
.seg button.on{background:var(--surface-2);color:var(--text)}
.seg button:hover{filter:none;color:var(--text)}

table.sum{width:100%;border-collapse:collapse;font-size:.9rem}
table.sum th{text-align:left;color:var(--muted);font-weight:600;font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;padding:10px 8px;border-bottom:1px solid var(--line)}
table.sum td{padding:11px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
table.sum tr:hover td{background:rgba(255,255,255,.02)}

video{display:block;width:100%;aspect-ratio:16/9;background:#000;border-radius:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(460px,100%),1fr));gap:18px}
.grid .empty{grid-column:1/-1}
.empty{padding:60px 20px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius)}
.tile{position:relative;background:#000;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.tile video{border-radius:0;object-fit:contain}
.tile:fullscreen{border:0;border-radius:0}
.tile:fullscreen video{height:100%;aspect-ratio:auto}
.tile-top{position:absolute;top:0;left:0;right:0;z-index:3;display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:12px 14px;background:linear-gradient(rgba(0,0,0,.72),transparent);pointer-events:none}
.tile-name{font-weight:650;font-size:.95rem;text-shadow:0 1px 3px rgba(0,0,0,.6)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.12);color:var(--muted)}
.badge i{width:7px;height:7px;border-radius:50%;background:#777}
.tile.is-live .badge{color:#fff}
.tile.is-live .badge i{background:var(--live);box-shadow:0 0 8px var(--live);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.tile-actions{position:absolute;right:10px;bottom:10px;z-index:3;display:flex;gap:6px;opacity:0;transition:opacity .2s}
.tile:hover .tile-actions,.tile:focus-within .tile-actions,.tile:fullscreen .tile-actions{opacity:1}
@media (hover:none){.tile-actions{opacity:1}}
.tile-actions button{background:rgba(10,11,14,.72);backdrop-filter:blur(6px);color:#fff;border:1px solid rgba(255,255,255,.16);padding:8px;border-radius:10px;display:grid;place-items:center}
.tile-actions svg{width:18px;height:18px}
.tile-state{position:absolute;top:0;left:0;right:0;bottom:0;z-index:2;display:none;align-items:center;justify-content:center;flex-direction:column;gap:12px;background:rgba(5,6,8,.78);color:var(--muted);font-size:.9rem;text-align:center;pointer-events:none}
.tile:not(.is-live) .tile-state{display:flex}
.spinner{width:30px;height:30px;border-radius:50%;border:3px solid rgba(255,255,255,.14);border-top-color:var(--accent);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.tile.is-offline .spinner{display:none}

.brand-logo{display:block;height:56px;width:auto;max-width:100%;background:#fff;padding:8px 16px;border-radius:12px}

dialog{background:var(--surface-2);color:var(--text);border:1px solid var(--line);border-radius:16px;padding:22px;min-width:300px;box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(0,0,0,.65);backdrop-filter:blur(2px)}
dialog h3{margin:0 0 6px;font-size:1.1rem}
dialog input{display:block;width:100%;margin:8px 0}
dialog label{display:block;font-size:.8rem;color:var(--muted);margin:14px 0 6px;font-weight:600}
dialog .row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
dialog ul{padding-left:18px;font-size:.84rem;color:var(--muted);margin:14px 0 0}
.copyrow{display:flex;gap:8px;align-items:center}
dialog .copyrow input{margin:0;flex:1;min-width:0}

.login-body{padding-left:0;display:flex;min-height:100vh;align-items:center;justify-content:center}
.login-box{background:var(--surface);padding:30px;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);width:min(380px,92vw);display:flex;flex-direction:column;gap:12px}
.login-brand{display:flex;justify-content:center;margin-bottom:6px}
.login-title{font-size:1.3rem;font-weight:700}

@media (max-width:900px){
  body{padding-left:0}
  .topbar{position:sticky;top:0;bottom:auto;width:auto;flex-direction:row;align-items:center;gap:6px;padding:8px 12px;border-right:0;border-bottom:1px solid var(--line)}
  .brand-mark{padding:0 6px 0 0}
  .brand-text{display:none}
  .topbar nav{flex-direction:row;flex:1;overflow-x:auto}
  .spacer{display:none}
  .user{padding:2px;background:transparent;border:0;margin-left:auto}
  .uname{display:none}
  .page{padding:18px 14px 40px}
}
@media (max-width:640px){ .nav-item .lbl{display:none} .nav-item{padding:10px} }
@media (max-width:700px){ .grid{grid-template-columns:1fr!important} }

#toast{position:fixed;right:20px;bottom:20px;max-width:360px;padding:12px 16px;border-radius:12px;background:var(--surface-2);
  border:1px solid var(--line);box-shadow:var(--shadow);color:var(--text);font-size:.9rem;opacity:0;transform:translateY(10px);
  transition:opacity .2s,transform .2s;pointer-events:none;z-index:70}
#toast.show{opacity:1;transform:none}
#toast.ok{border-color:var(--ok)}
#toast.bad{border-color:var(--danger)}
.pulse{animation:pulse 1.4s infinite}