:root{
  --navy:#0b1f3a; --navy2:#12305a; --gold:#d4a017; --bg:#f3f5f9; --card:#fff; --ink:#18202e; --mute:#6a7488;
  --line:#e2e6ee; --ok:#157f4b; --bad:#c0392b; --warn:#b7791f; --r:12px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0d1420;--card:#152033;--ink:#e8edf6;--mute:#93a0b8;--line:#25324a}
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0 0 .5em;line-height:1.25}
h2{font-size:1.25rem}h3{font-size:1.05rem}
.hide{display:none!important}
/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:16px;background:linear-gradient(160deg,var(--navy),var(--navy2))}
.login-card{width:100%;max-width:380px;background:var(--card);border-radius:16px;padding:28px 24px;box-shadow:0 20px 50px #0006}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.logo{width:42px;height:42px;border-radius:10px;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-weight:800}
.brand b{display:block;font-size:1.05rem}.brand small{color:var(--mute)}
label{display:block;font-size:.85rem;color:var(--mute);margin:12px 0 4px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--card)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border:0;border-radius:9px;background:var(--navy);color:#fff;font-weight:600;cursor:pointer}
.btn:hover{background:var(--navy2)}
.btn.gold{background:var(--gold);color:#1b1500}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.danger{background:var(--bad)}
.btn.sm{padding:5px 10px;font-size:.82rem}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.full{width:100%;margin-top:18px}
.err{color:var(--bad);font-size:.88rem;margin-top:10px;min-height:1.2em}
/* shell */
.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.side{background:var(--navy);color:#cdd7ea;padding:16px 10px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px}
.side .brand{padding:4px 8px 14px;color:#fff}.side .brand small{color:#9fb0cf}
.side a{display:block;padding:10px 12px;border-radius:9px;color:inherit;text-decoration:none;cursor:pointer}
.side a:hover{background:#ffffff14}.side a.on{background:var(--gold);color:#1b1500;font-weight:600}
.side .sp{flex:1}
.main{padding:22px;max-width:1100px;width:100%}
.top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:14px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.stat{padding:14px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.stat b{display:block;font-size:1.7rem}.stat span{color:var(--mute);font-size:.85rem}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);font-size:.9rem;vertical-align:middle}
th{color:var(--mute);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
.tablewrap{overflow-x:auto}
.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.75rem;font-weight:600;background:var(--line);color:var(--ink)}
.pill.live{background:#fde2e0;color:var(--bad)}.pill.ok{background:#d9f3e6;color:var(--ok)}.pill.warn{background:#fdf0d5;color:var(--warn)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row>*{flex:0 0 auto}.row .grow{flex:1 1 160px}
.muted{color:var(--mute)}
.item{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.item:last-child{border:0}
.tabs{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.tabs button{padding:7px 14px;border-radius:99px;border:1px solid var(--line);background:var(--card);cursor:pointer}
.tabs button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
/* player */
.player{position:relative;background:#000;border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;max-width:960px;user-select:none;-webkit-user-select:none}
.player video{width:100%;height:100%;display:block;background:#000}
.wm{position:absolute;pointer-events:none;color:#fff;font-weight:600;font-size:clamp(10px,1.6vw,15px);opacity:.38;text-shadow:0 0 3px #000;white-space:nowrap;transition:top 1.2s linear,left 1.2s linear;z-index:5}
.pbar{display:flex;gap:8px;align-items:center;padding:8px 0;flex-wrap:wrap}
.overlay-msg{position:absolute;inset:0;display:grid;place-items:center;color:#fff;background:#000a;z-index:6;text-align:center;padding:20px}
/* modal */
.modal{position:fixed;inset:0;background:#0009;display:grid;place-items:center;padding:14px;z-index:50}
.modal .box{background:var(--card);border-radius:14px;padding:20px;width:100%;max-width:520px;max-height:90vh;overflow:auto}
#toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#111;color:#fff;padding:10px 16px;border-radius:9px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:99;max-width:90vw}
#toast.show{opacity:1}
@media(max-width:800px){
  .shell{grid-template-columns:1fr;padding-bottom:64px}
  .side{position:fixed;top:auto;bottom:0;left:0;right:0;height:auto;flex-direction:row;padding:4px;z-index:20;overflow-x:auto}
  .side .brand,.side .sp{display:none}
  .side a{padding:9px 12px;white-space:nowrap;font-size:.85rem}
  .main{padding:14px}
}