/* ============ Registration + Watch room ============ */

/* ---------- registration landing ---------- */
.reg-page{background:#0b1120;color:#e2e8f0;min-height:100vh}
.reg-hero{
  background:
    radial-gradient(900px 480px at 12% -10%, rgba(99,102,241,.34), transparent 60%),
    radial-gradient(760px 460px at 92% 8%, rgba(168,85,247,.24), transparent 62%),
    #0b1120;
  padding:56px 0 72px;position:relative;overflow:hidden}
.reg-hero::after{content:'';position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,#334155,transparent)}
.reg-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.reg-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(99,102,241,.16);border:1px solid rgba(129,140,248,.35);
  color:#c7d2fe;font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:6px 13px;border-radius:999px;margin-bottom:18px}
.reg-hero h1{color:#fff;font-size:2.7rem;line-height:1.08;margin-bottom:14px}
.reg-hero .sub{font-size:1.12rem;color:#94a3b8;max-width:56ch;margin-bottom:26px}
.reg-hero .desc{color:#cbd5e1;font-size:.98rem;max-width:62ch}
.reg-bullets{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.reg-bullets li{display:flex;gap:11px;align-items:flex-start;color:#cbd5e1;font-size:.95rem}
.reg-bullets .ck{width:21px;height:21px;border-radius:50%;background:rgba(16,185,129,.16);color:#34d399;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;font-size:.7rem;font-weight:800}
.presenter{display:flex;gap:14px;align-items:center;margin-top:32px;padding-top:26px;border-top:1px solid #1e293b}
.presenter img{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid #312e81}
.presenter .ph{width:56px;height:56px;border-radius:50%;background:#312e81;color:#c7d2fe;display:flex;
  align-items:center;justify-content:center;font-weight:700}
.presenter .nm{color:#fff;font-weight:700}
.presenter .tt{color:#94a3b8;font-size:.85rem}

.reg-card{background:#fff;color:var(--ink);border-radius:var(--r-xl);box-shadow:0 24px 70px -20px rgba(0,0,0,.6);
  overflow:hidden;position:sticky;top:24px}
.reg-card .rc-head{padding:22px 26px 18px;background:linear-gradient(135deg,var(--brand),#7c3aed);color:#fff}
.reg-card .rc-head h2{color:#fff;margin:0 0 3px;font-size:1.25rem}
.reg-card .rc-head p{margin:0;font-size:.86rem;opacity:.9}
.reg-card .rc-body{padding:24px 26px 26px}

/* session picker */
.slot-list-wrap{position:relative}
.slot-list-wrap::after{content:'';position:absolute;left:0;right:6px;bottom:0;height:34px;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,0),#fff 85%);border-radius:0 0 var(--r) var(--r)}
.slot-list-wrap.at-end::after{opacity:0;transition:opacity .2s}
.slot-list{display:grid;gap:9px;max-height:284px;overflow-y:auto;padding:2px 6px 12px 2px;margin-bottom:0}
.slot-list::-webkit-scrollbar{width:6px}
.slot-list::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}
.slot{display:flex;align-items:center;gap:12px;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--r);
  cursor:pointer;transition:var(--t);background:#fff;position:relative}
.slot:hover{border-color:#a5b4fc;background:#fbfcff}
.slot input{position:absolute;opacity:0;pointer-events:none}
.slot .radio{width:19px;height:19px;border:2px solid var(--line);border-radius:50%;flex-shrink:0;transition:var(--t);position:relative}
.slot input:checked ~ .radio{border-color:var(--brand)}
.slot input:checked ~ .radio::after{content:'';position:absolute;inset:3px;background:var(--brand);border-radius:50%}
.slot.sel{border-color:var(--brand);background:var(--brand-50)}
.slot .st{font-weight:600;font-size:.92rem}
.slot .ss{font-size:.76rem;color:var(--muted)}
.slot .soon{margin-left:auto;font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;
  background:#fee2e2;color:#dc2626;padding:3px 8px;border-radius:999px}

.tz-line{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--muted);margin:12px 0 18px}
.tz-line select{flex:1 1 0;min-width:0;font-size:.8rem;padding:7px 9px;border:1px solid var(--line);
  border-radius:7px;background:#fff;color:var(--ink-2);text-overflow:ellipsis}

/* thank you */
.ty-wrap{max-width:640px;margin:0 auto;padding:60px 20px}
.ty-icon{width:72px;height:72px;border-radius:50%;background:var(--ok-bg);color:var(--ok);display:flex;
  align-items:center;justify-content:center;margin:0 auto 22px;font-size:2rem}
.ty-detail{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.ty-detail:last-child{border-bottom:0}
.ty-detail .k{color:var(--muted)}
.ty-detail .v{font-weight:600;text-align:right}
.countdown{display:flex;gap:10px;justify-content:center;margin:26px 0}
.cd-unit{background:var(--ink);color:#fff;border-radius:var(--r);padding:12px 8px;min-width:74px;text-align:center}
.cd-unit b{display:block;font-family:var(--font-display);font-size:1.7rem;line-height:1;font-variant-numeric:tabular-nums}
.cd-unit span{font-size:.66rem;text-transform:uppercase;letter-spacing:.09em;opacity:.65;margin-top:5px;display:block}

/* ---------- watch room ---------- */
.room{background:#0b1120;min-height:100vh;color:#e2e8f0;display:flex;flex-direction:column}
.room-bar{height:58px;background:#111827;border-bottom:1px solid #1f2937;display:flex;align-items:center;
  justify-content:space-between;padding:0 18px;gap:14px;flex-shrink:0}
.room-bar .rt{font-weight:700;color:#fff;font-size:.95rem}
.room-bar .rs{font-size:.75rem;color:#64748b}
.live-pill{display:inline-flex;align-items:center;gap:7px;background:rgba(239,68,68,.14);border:1px solid rgba(239,68,68,.35);
  color:#fca5a5;font-size:.72rem;font-weight:800;letter-spacing:.07em;padding:5px 11px;border-radius:999px;text-transform:uppercase}
.viewers{display:inline-flex;align-items:center;gap:7px;color:#94a3b8;font-size:.82rem;font-weight:600}
.viewers svg{width:15px;height:15px}

.room-main{flex:1;display:grid;grid-template-columns:1fr 372px;min-height:0}
.stage{background:#000;display:flex;flex-direction:column;min-width:0;position:relative}
.player-wrap{position:relative;width:100%;background:#000;flex:1;display:flex;align-items:center;justify-content:center;min-height:0}
.player-wrap video,.player-wrap iframe{width:100%;height:100%;display:block;border:0;object-fit:contain}
.player-16x9{position:relative;width:100%;padding-top:56.25%}
.player-16x9 > *{position:absolute;inset:0;width:100%;height:100%}

.play-overlay{position:absolute;inset:0;background:rgba(0,0,0,.82);display:flex;flex-direction:column;
  align-items:center;justify-content:center;z-index:20;text-align:center;padding:24px;backdrop-filter:blur(2px)}
.play-overlay h2{color:#fff;margin-bottom:8px}
.play-overlay p{color:#94a3b8;max-width:44ch}
.big-play{width:82px;height:82px;border-radius:50%;background:var(--brand);border:0;color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 40px rgba(79,70,229,.55);transition:var(--t);margin-bottom:20px}
.big-play:hover{transform:scale(1.06)}
.big-play svg{width:32px;height:32px;margin-left:5px}

.progress-strip{height:4px;background:#1f2937;position:relative;flex-shrink:0}
.progress-strip i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--brand),#a855f7);width:0;transition:width 1s linear}

/* CTA */
.cta-slot{padding:0 0 0}
.cta-box{margin:14px 18px;background:linear-gradient(135deg,#1e1b4b,#312e81);border:1px solid #4338ca;
  border-radius:var(--r-lg);padding:20px 22px;display:flex;gap:18px;align-items:center;
  animation:ctaIn .45s cubic-bezier(.2,.9,.3,1.25);box-shadow:0 14px 40px -14px rgba(79,70,229,.75)}
@keyframes ctaIn{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.cta-box img{width:96px;height:96px;object-fit:cover;border-radius:var(--r);flex-shrink:0}
.cta-box h4{color:#fff;margin:0 0 5px;font-size:1.08rem}
.cta-box p{color:#c7d2fe;margin:0;font-size:.88rem}
.cta-box .price{color:var(--accent);font-weight:800;font-size:1.05rem;margin-top:6px}
.cta-box .btn{background:var(--accent);color:#1c1206;box-shadow:0 6px 20px rgba(245,158,11,.4)}
.cta-sticky{position:sticky;bottom:0;z-index:15}

/* chat */
.chat{background:#111827;border-left:1px solid #1f2937;display:flex;flex-direction:column;min-height:0}
.chat-tabs{display:flex;border-bottom:1px solid #1f2937;flex-shrink:0}
.chat-tabs button{flex:1;background:none;border:0;padding:13px 8px;color:#64748b;font-size:.82rem;font-weight:600;
  cursor:pointer;font-family:inherit;border-bottom:2px solid transparent;transition:var(--t)}
.chat-tabs button:hover{color:#cbd5e1}
.chat-tabs button.active{color:#fff;border-bottom-color:var(--brand)}
.chat-tabs .cnt{display:inline-block;background:#334155;color:#cbd5e1;border-radius:999px;padding:1px 6px;font-size:.68rem;margin-left:5px}
.chat-scroll{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:13px;min-height:0;scroll-behavior:smooth}
.chat-scroll::-webkit-scrollbar{width:6px}
.chat-scroll::-webkit-scrollbar-thumb{background:#334155;border-radius:3px}
.msg{display:flex;gap:10px;animation:msgIn .3s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg .av{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  font-size:.68rem;font-weight:700;background:#1e293b;color:#94a3b8}
.msg .bd{min-width:0;flex:1}
.msg .nm{font-size:.76rem;font-weight:700;color:#818cf8;margin-bottom:2px;display:flex;align-items:center;gap:6px}
.msg .tx{font-size:.88rem;color:#cbd5e1;word-wrap:break-word;line-height:1.5}
.msg.host .av{background:linear-gradient(135deg,var(--brand),#a855f7);color:#fff}
.msg.host .nm{color:#f59e0b}
.msg.host .tx{color:#e2e8f0}
.msg.me .nm{color:#34d399}
.msg.system{justify-content:center}
.msg.system .tx{font-size:.76rem;color:#64748b;font-style:italic;text-align:center}
.host-tag{background:rgba(245,158,11,.16);color:#fbbf24;font-size:.6rem;font-weight:800;padding:2px 6px;
  border-radius:4px;letter-spacing:.05em;text-transform:uppercase}
.ai-tag{background:rgba(129,140,248,.18);color:#a5b4fc;border:1px solid rgba(129,140,248,.35);
  font-size:.58rem;font-weight:800;padding:1px 6px;border-radius:4px;letter-spacing:.05em;
  text-transform:uppercase;white-space:nowrap}
.typing{display:flex;gap:4px;padding:6px 0}
.typing i{width:6px;height:6px;background:#475569;border-radius:50%;animation:bounce 1.2s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}

.chat-form{padding:12px 14px;border-top:1px solid #1f2937;flex-shrink:0;background:#0f172a}
.chat-input-row{display:flex;gap:8px;align-items:flex-end}
.chat-form textarea{flex:1;background:#1e293b;border:1px solid #334155;color:#e2e8f0;border-radius:10px;
  padding:10px 12px;font-family:inherit;font-size:.88rem;resize:none;max-height:96px;min-height:40px;outline:none;transition:var(--t)}
.chat-form textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.2)}
.chat-form textarea::placeholder{color:#475569}
.send-btn{width:40px;height:40px;border-radius:10px;background:var(--brand);border:0;color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--t)}
.send-btn:hover{background:var(--brand-600)}
.send-btn:disabled{opacity:.5;cursor:not-allowed}
.send-btn svg{width:17px;height:17px}
.chat-note{font-size:.7rem;color:#475569;margin-top:7px;text-align:center}

/* poll card in chat */
.poll{background:#1e1b4b;border:1px solid #4338ca;border-radius:var(--r);padding:15px;animation:msgIn .35s ease}
.poll h5{color:#fff;margin:0 0 11px;font-size:.9rem;font-family:var(--font-sans);font-weight:700}
.poll .opts{display:grid;gap:7px}
.poll .opt{background:#312e81;border:1px solid #4f46e5;color:#e0e7ff;padding:9px 12px;border-radius:8px;
  font-size:.85rem;cursor:pointer;text-align:left;transition:var(--t);font-family:inherit}
.poll .opt:hover{background:#4338ca}
.poll .opt.picked{background:var(--brand);border-color:#818cf8;color:#fff;font-weight:600}
.poll textarea{width:100%;background:#312e81;border:1px solid #4f46e5;color:#e0e7ff;border-radius:8px;
  padding:9px 12px;font-family:inherit;font-size:.85rem;resize:vertical;min-height:60px;outline:none}
.poll .done{color:#34d399;font-size:.8rem;font-weight:600;margin-top:8px}

/* offers tab */
.offer-card{background:#1e293b;border:1px solid #334155;border-radius:var(--r);overflow:hidden;margin-bottom:12px}
.offer-card img{width:100%;height:130px;object-fit:cover}
.offer-card .ob{padding:14px}
.offer-card h4{color:#fff;font-size:.95rem;margin:0 0 5px}
.offer-card p{color:#94a3b8;font-size:.83rem;margin:0 0 11px}

/* replay banner */
.replay-banner{background:linear-gradient(135deg,#7c2d12,#9a3412);color:#fed7aa;padding:10px 18px;font-size:.85rem;
  display:flex;align-items:center;gap:9px;justify-content:center;flex-shrink:0}

@media (max-width:1080px){
  .reg-grid{grid-template-columns:1fr;gap:32px}
  .reg-card{position:static}
  .reg-hero h1{font-size:2.1rem}
}
@media (max-width:900px){
  .room-main{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .chat{border-left:0;border-top:1px solid #1f2937;min-height:340px}
  .stage{flex:none}
}

@media (max-width:520px){
  .slot{gap:10px;padding:12px 13px}
  .slot .st{font-size:.88rem}
  .slot .soon{font-size:.62rem;padding:3px 6px;align-self:flex-start}
  .reg-hero{padding:36px 0 48px}
  .reg-hero h1{font-size:1.75rem}
  .reg-card .rc-head,.reg-card .rc-body{padding-left:20px;padding-right:20px}
  .countdown{gap:7px}
  .cd-unit{min-width:64px;padding:10px 6px}
  .cd-unit b{font-size:1.4rem}
  .cta-box{flex-direction:column;align-items:stretch;text-align:left;margin:12px}
  .cta-box img{width:100%;height:130px}
  .cta-box .btn{width:100%}
}