:root{
  --accent:#0069ff;
  --accent-dark:#0050c7;
  --ink:#1a1a1a;
  --muted:#6b7280;
  --line:#e4e7ec;
  --bg:#f6f7f9;
  --card:#ffffff;
  --ok:#0a8a52;
  --radius:12px;
  --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.06);
  --shadow-lg:0 12px 40px rgba(16,24,40,.12);
  font-synthesis:none;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;line-height:1.45;
}
a{color:var(--accent);text-decoration:none}
button{font-family:inherit;cursor:pointer}
.hidden{display:none !important}

.wrap{max-width:1040px;margin:0 auto;padding:32px 20px 64px}
.topbar{display:flex;align-items:center;gap:10px;padding:18px 24px;max-width:1040px;margin:0 auto}
.brand{font-weight:700;font-size:15px;color:var(--ink);letter-spacing:-.01em}
.brand .dot{color:var(--accent)}

/* ---- card shell ---- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.booking-grid{display:grid;grid-template-columns:340px 1fr;min-height:560px}
@media(max-width:820px){.booking-grid{grid-template-columns:1fr}}

/* left info panel */
.info{padding:28px;border-right:1px solid var(--line)}
@media(max-width:820px){.info{border-right:none;border-bottom:1px solid var(--line)}}
.info .owner{color:var(--muted);font-weight:600;font-size:14px;margin:0 0 6px}
.info h1{font-size:24px;margin:0 0 18px;letter-spacing:-.02em}
.meta{display:flex;align-items:flex-start;gap:10px;color:#334155;font-size:15px;margin:12px 0;font-weight:500}
.meta svg{flex:0 0 20px;margin-top:1px;color:var(--muted)}
.info .desc{color:var(--muted);font-size:14px;margin-top:20px;white-space:pre-wrap;line-height:1.6}
.backlink{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-weight:600;font-size:14px;background:none;border:none;padding:6px 0;margin-bottom:4px}
.backlink:hover{color:var(--accent)}

/* right panel */
.panel{padding:28px 28px 32px;display:flex;flex-direction:column}
.panel h2{font-size:20px;margin:0 0 18px}

/* calendar + times layout */
.pick{display:grid;grid-template-columns:1fr 220px;gap:28px}
@media(max-width:820px){.pick{grid-template-columns:1fr}}

.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.cal-head .month{font-weight:700;font-size:16px}
.navbtn{width:36px;height:36px;border-radius:50%;border:none;background:transparent;color:var(--accent);font-size:18px;display:grid;place-items:center}
.navbtn:hover{background:#eef4ff}
.navbtn:disabled{color:#cbd5e1;background:transparent;cursor:default}
.dow{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;color:var(--muted);font-size:12px;font-weight:600;margin-bottom:6px}
.days{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.day{aspect-ratio:1;border:none;background:transparent;border-radius:50%;font-size:15px;font-weight:600;color:var(--muted);position:relative}
.day.avail{background:#eef4ff;color:var(--accent-dark)}
.day.avail:hover{background:#dbe8ff}
.day.selected{background:var(--accent);color:#fff}
.day.empty{visibility:hidden}
.day.today::after{content:"";position:absolute;bottom:6px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:currentColor}

.times{display:flex;flex-direction:column;min-width:0}
.times .times-head{font-weight:600;font-size:14px;margin-bottom:10px;color:#334155}
.slotlist{display:flex;flex-direction:column;gap:8px;overflow-y:auto;max-height:420px;padding-right:4px}
.slot{padding:12px;border:1px solid var(--accent);border-radius:8px;background:#fff;color:var(--accent-dark);font-weight:700;font-size:15px;text-align:center;transition:.12s}
.slot:hover{background:var(--accent);color:#fff}
.slot-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.slot-row .slot.confirm{background:#4b5563;border-color:#4b5563;color:#fff}
.empty-note{color:var(--muted);font-size:14px;padding:20px 0}

/* timezone select */
.tz{margin-top:auto;padding-top:18px;color:var(--muted);font-size:13px;display:flex;align-items:center;gap:8px}
.tz select{font-family:inherit;font-size:13px;border:1px solid var(--line);border-radius:8px;padding:7px 8px;color:var(--ink);background:#fff;max-width:230px}

/* form */
.form{max-width:440px}
.form label{display:block;font-weight:600;font-size:14px;margin:16px 0 6px}
.form .req{color:#d92d20}
.form input,.form textarea{
  width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;font-family:inherit;
  font-size:15px;color:var(--ink);background:#fff;transition:.12s;
}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #dbe8ff}
.form textarea{min-height:90px;resize:vertical}
.btn{
  background:var(--accent);color:#fff;border:none;border-radius:24px;padding:12px 26px;font-weight:700;font-size:15px;margin-top:22px;
}
.btn:hover{background:var(--accent-dark)}
.btn:disabled{opacity:.6;cursor:default}
.btn.ghost{background:#fff;color:var(--accent);border:1px solid var(--accent)}
.btn.danger{background:#d92d20}.btn.danger:hover{background:#b42318}
.summary-line{display:flex;align-items:center;gap:9px;color:#334155;font-weight:600;font-size:15px;margin:8px 0}
.summary-line svg{color:var(--accent)}

/* confirmed */
.confirmed{padding:44px 28px;text-align:center;max-width:520px;margin:0 auto}
.check{width:56px;height:56px;border-radius:50%;background:var(--ok);display:grid;place-items:center;margin:0 auto 18px}
.confirmed h2{font-size:22px;margin:0 0 6px}
.confirmed .sub{color:var(--muted);margin-bottom:24px}
.details{border:1px solid var(--line);border-radius:12px;padding:20px;text-align:left;display:inline-block;min-width:320px}
.details .summary-line{margin:10px 0}
.err{background:#fef3f2;border:1px solid #fecdca;color:#b42318;padding:10px 12px;border-radius:8px;font-size:14px;margin-top:14px}
.badge-cancelled{display:inline-block;background:#fef3f2;color:#b42318;font-weight:700;font-size:13px;padding:4px 10px;border-radius:20px}

/* profile / list */
.profile{max-width:640px;margin:0 auto}
.profile .phead{text-align:center;margin-bottom:28px}
.profile .phead h1{font-size:26px;margin:6px 0}
.etype{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--card);
  border:1px solid var(--line);border-left:6px solid var(--accent);border-radius:12px;padding:18px 20px;margin-bottom:12px;box-shadow:var(--shadow)}
.etype h3{margin:0 0 4px;font-size:17px}
.etype p{margin:0;color:var(--muted);font-size:14px}
.etype .dur{color:var(--muted);font-size:13px;font-weight:600;margin-top:6px;display:flex;gap:6px;align-items:center}
.spinner{width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:60px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.center{text-align:center;padding:60px 20px;color:var(--muted)}