:root{--navy:#0b1a33;--navy2:#11264a;--navy3:#1a3563;--card:#122a50;--ink:#e9eef7;--muted:#a9b6cc;--copper:#e07a2e;--copper2:#f2a65a;--line:rgba(255,255,255,.1);--green:#2fbf71;--red:#ff6b6b;--r:16px}
*{box-sizing:border-box}html,body{margin:0}
body{font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;color:var(--ink);min-height:100vh;
  background:radial-gradient(900px 500px at 85% -10%,rgba(224,122,46,.20),transparent 60%),linear-gradient(180deg,var(--navy) 0%,var(--navy2) 100%);-webkit-font-smoothing:antialiased}
body.embed{background:transparent}
a{color:var(--copper2)}
.hidden{display:none!important}
.top{max-width:1040px;margin:0 auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:.2px}
.mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--copper),#ff4d00);color:#160a00;font-weight:900;font-size:13px}
.top small{color:var(--muted)}
body.embed .top{display:none}
.shell{max-width:1040px;margin:0 auto 40px;padding:0 20px}
.card{display:grid;grid-template-columns:320px 1fr;background:linear-gradient(160deg,var(--navy3),var(--card));border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.35);overflow:hidden;min-height:560px}
.info{padding:28px;border-right:1px solid var(--line)}
.hosts{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;font-weight:600}
.avatars{display:flex}.avatars span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;background:var(--navy);border:2px solid var(--copper);color:var(--copper2)}
.avatars span+span{margin-left:-8px}
.info h1{font-size:26px;line-height:1.2;margin:14px 0 16px;letter-spacing:-.3px}
.facts{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:10px;color:var(--muted);font-weight:600}
.facts li{display:flex;gap:10px;align-items:flex-start}.facts .i{width:20px;text-align:center}
.desc{color:var(--muted);font-size:14px;margin:0 0 18px}
.pill{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--copper2);background:rgba(224,122,46,.12);border:1px solid rgba(224,122,46,.35);padding:5px 10px;border-radius:999px}
.picked{margin-top:18px;padding:12px 14px;border-radius:12px;background:rgba(224,122,46,.1);border:1px solid rgba(224,122,46,.35);font-weight:700}
.main{padding:28px;min-width:0}
.main h2{font-size:18px;margin:0 0 16px}
.pick{display:grid;grid-template-columns:1fr 210px;gap:24px}
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.cal-head b{font-size:16px}
.nav-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;font-size:16px}
.nav-btn:disabled{opacity:.3;cursor:default}.nav-btn:not(:disabled):hover{border-color:var(--copper2)}
.dow,.grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center}
.dow span{font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:4px 0}
.day{aspect-ratio:1;max-height:52px;border-radius:50%;border:0;background:transparent;color:#5b6b88;font:inherit;font-weight:600;cursor:default}
.day.open{background:rgba(224,122,46,.14);color:var(--copper2);cursor:pointer;font-weight:800}
.day.open:hover{background:rgba(224,122,46,.28)}
.day.sel{background:var(--copper)!important;color:#fff!important}
.day.today{box-shadow:inset 0 0 0 1px var(--line)}
.tz{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);font-weight:600}
select,input,textarea{width:100%;font:inherit;color:var(--ink);background:var(--navy);border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:none}
select:focus,input:focus,textarea:focus{border-color:var(--copper2)}
.slots{display:flex;flex-direction:column;gap:8px;max-height:430px;overflow-y:auto;padding-right:4px}
.slots .date-label{font-weight:700;margin-bottom:4px}
.slot{display:flex;gap:6px}
.slot button{flex:1;padding:12px;border-radius:10px;border:1px solid rgba(224,122,46,.55);background:transparent;color:var(--copper2);font:inherit;font-weight:800;cursor:pointer;transition:all .12s}
.slot button:hover{border-color:var(--copper2);background:rgba(224,122,46,.08)}
.slot.active button.time{background:#2b3c5c;color:var(--ink);border-color:#2b3c5c;flex:1}
.slot .go{display:none}.slot.active .go{display:block;background:var(--copper);color:#fff;border-color:var(--copper)}
.empty{color:var(--muted);font-size:14px;padding:8px 0}
form.details{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:560px}
form.details label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700;color:var(--muted)}
form.details .full{grid-column:span 2}
.req{color:var(--copper2)}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:10px;font:inherit;font-weight:800;text-decoration:none;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 8px 24px rgba(224,122,46,.3)}.btn-primary:hover{background:#cc6a20}
.btn-primary:disabled{opacity:.6;cursor:wait}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}.btn-ghost:hover{border-color:var(--copper2)}
.btn-danger{border-color:rgba(255,107,107,.45);color:var(--red);background:transparent}
.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.back{background:none;border:0;color:var(--copper2);font:inherit;font-weight:700;cursor:pointer;padding:0;margin-bottom:14px}
.error{color:var(--red);font-weight:600;min-height:1.4em;margin:0}
.fine{color:var(--muted);font-size:12px}
.loading{color:var(--muted);padding:30px 0}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--copper2);border-radius:50%;animation:sp .8s linear infinite;vertical-align:-3px;margin-right:8px}
@keyframes sp{to{transform:rotate(360deg)}}
/* confirmation */
.confirm{max-width:640px;margin:0 auto;background:linear-gradient(160deg,var(--navy3),var(--card));border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.check{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:rgba(47,191,113,.15);border:2px solid var(--green);color:var(--green);font-size:28px;font-weight:900}
.check.x{background:rgba(255,107,107,.12);border-color:var(--red);color:var(--red)}
.confirm h1{margin:16px 0 6px;font-size:26px}
.summary{margin:20px 0;padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(11,26,51,.45);display:grid;gap:10px}
.summary div{display:flex;gap:12px}.summary span{color:var(--muted);min-width:92px;font-weight:600}
.next{color:var(--muted);font-size:14px}.next li{margin:4px 0}
footer{color:var(--muted);font-size:12px;text-align:center;padding:10px 20px 30px}
body.embed footer{display:none}
@media(max-width:860px){.card{grid-template-columns:1fr}.info{border-right:0;border-bottom:1px solid var(--line);padding:22px}.pick{grid-template-columns:1fr}.slots{max-height:none}}
@media(max-width:560px){.shell{padding:0 10px}.main{padding:20px}form.details{grid-template-columns:1fr}form.details .full{grid-column:span 1}.confirm{padding:24px}.summary div{flex-direction:column;gap:2px}}
.slots{scrollbar-width:thin;scrollbar-color:var(--navy3) transparent}
.slots::-webkit-scrollbar{width:6px}.slots::-webkit-scrollbar-thumb{background:var(--navy3);border-radius:6px}