:root{--bg:#0E1116;--card:#161C24;--ink:#EAF0F7;--muted:#93A0B4;--blue:#3D9BFF;--line:rgba(140,170,210,.18);--green:#37E0A0;--red:#FF6B6B}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:"Segoe UI",system-ui,sans-serif}
body{overflow:auto}
button{font:inherit;cursor:pointer}
.screen{min-height:100%}
[hidden]{display:none!important}

/* brand */
.brand{font-weight:800;letter-spacing:.04em}
.brand.small{font-size:13px}
.brand b{background:linear-gradient(140deg,#1c3d68,#0a1626);color:#fff;padding:4px 8px;border-radius:8px;border:1px solid rgba(0,240,255,.45);margin-inline-end:6px}
.brand small{color:var(--muted);font-weight:600;letter-spacing:.2em;margin-inline-start:6px}

/* login */
#login{position:fixed;inset:0;display:grid;overflow:auto;padding:max(18px,env(safe-area-inset-top)) 18px max(18px,env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(8,12,20,.55),rgba(8,12,20,.85)),url(assets/skyL.jpg) center/cover no-repeat,#0b0f16}
#login .card{background:rgba(18,24,33,.78);backdrop-filter:blur(14px);margin:auto}
.looks{display:flex;flex-direction:column;gap:6px}
.lookrow{display:flex;flex-wrap:wrap;gap:5px;padding:2px}
.look{flex:0 0 auto;width:47px;height:72px;border-radius:10px;border:2px solid var(--line);background:linear-gradient(180deg,#1b2430,#0f141b);
  padding:3px;cursor:pointer;display:grid;place-items:end center}
.look{overflow:hidden}
.look img{display:block;height:100%;width:100%;object-fit:contain;object-position:bottom;pointer-events:none}
.look:hover{border-color:rgba(61,155,255,.6)}
.look.on{border-color:var(--blue);box-shadow:0 0 0 2px rgba(61,155,255,.35)}
.langbtn{position:fixed;top:14px;inset-inline-end:14px;z-index:20;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  background:rgba(16,22,30,.8);color:var(--ink);font-weight:700;backdrop-filter:blur(8px)}
.langbtn:hover{border-color:var(--blue)}
.card{width:min(430px,100%);background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 40px 120px -40px #000}
h1{font-size:26px;margin:16px 0 6px}.sub{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 18px}
.tabs{display:flex;gap:8px;margin-bottom:16px}
.tab{flex:1;padding:11px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted)}
.tab.on{background:var(--blue);color:#fff;border-color:var(--blue)}
label{display:block;font-size:12px;color:var(--muted);margin:10px 2px 6px}
input,select{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#0F141B;color:var(--ink);font-size:15px}
#enter{width:100%;margin-top:18px;padding:14px;border:0;border-radius:12px;background:var(--blue);color:#fff;font-weight:700;font-size:16px}
.err{color:var(--red);font-size:13px;margin-top:10px;min-height:16px}
.hint{color:var(--muted);font-size:12px;margin-top:14px;line-height:1.6}

/* dashboard */
.dashwrap{max-width:820px;margin:0 auto;padding:22px 18px 60px}
.dashhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.dashhead h2{margin:6px 0 0;font-size:20px}
.ghost{background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:8px 14px}
.ghost:hover{border-color:var(--blue)}
.ghost.sm{padding:5px 10px;font-size:13px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:16px}
.panel h3{margin:0 0 4px;font-size:16px}
.muted{color:var(--muted);font-size:13px;line-height:1.6;margin:4px 0}
.rowbetween{display:flex;align-items:center;justify-content:space-between}
.formrow{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-top:8px}
.formrow>div{min-width:120px}
.formrow #mk{padding:12px 18px;border:0;border-radius:12px;background:var(--blue);color:#fff;font-weight:700;height:46px}
.mkout{margin-top:14px;padding:12px 14px;background:#0F141B;border:1px dashed var(--line);border-radius:12px;font-size:14px}
.code{font-family:ui-monospace,Consolas,monospace;letter-spacing:.15em;color:var(--green);font-size:18px}

/* meetings list */
.mlist{margin-top:10px;display:flex;flex-direction:column;gap:8px}
.mrow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:#0F141B;border:1px solid var(--line);border-radius:12px}
.mmain>div:first-child{display:flex;align-items:center;gap:8px}
.tag{font-size:12px;color:var(--muted)}
.mact{display:flex;gap:8px;align-items:center}
.join{background:var(--green);color:#04150e;border:0;border-radius:10px;padding:9px 14px;font-weight:700}

/* call room */
#call{position:fixed;inset:0;background:#0b0f16}
#stage{position:absolute;inset:0;display:grid;place-items:center;padding:16px}
#tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:12px;width:100%;max-width:1100px}
#tiles .tile{position:relative;border-radius:16px;overflow:hidden;border:2px solid var(--line);background:#000;aspect-ratio:16/9}
#tiles video{width:100%;height:100%;object-fit:cover}
#tiles .nm{position:absolute;left:0;right:0;bottom:0;padding:6px 10px;font-size:13px;background:linear-gradient(transparent,rgba(0,0,0,.85));color:#fff}
.waiting{text-align:center;color:var(--muted)}
.spinner{width:46px;height:46px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--blue);margin:0 auto 14px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#selfview{position:fixed;left:14px;bottom:78px;width:190px;height:118px;object-fit:cover;border-radius:12px;border:2px solid var(--blue);background:#000;transform:scaleX(-1);z-index:5}
#hud{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);display:flex;gap:8px;flex-wrap:wrap;justify-content:center;z-index:6}
.pill{background:rgba(16,22,30,.9);border:1px solid var(--line);border-radius:999px;padding:9px 14px;font-size:13px;color:var(--ink);backdrop-filter:blur(8px)}
.pill.btn:hover{border-color:var(--blue)}
.pill.danger{background:var(--red);color:#fff;border-color:var(--red)}
.pill .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);vertical-align:middle;margin-inline-end:6px}

@media(max-width:430px){.look{width:42px;height:64px}.card{padding:22px}h1{font-size:23px}}