:root {
  --bg: #070b14; --bg2: #0b1220; --panel: #101a2d; --panel2: #15213a;
  --line: rgba(255,255,255,.09); --line2: rgba(255,255,255,.16);
  --ink: #eef2fa; --ink2: #aab4c8; --ink3: #74809a;
  --orange: #e09247; --orange2: #f3b77c; --blue: #5b8cff; --red: #ff8a8a; --green: #22c55e;
  --r: 14px;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0; min-height: 100vh; color: var(--ink);
  font: 15px/1.5 "Avenir Next", Inter, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(900px 600px at 95% -10%, rgba(91,140,255,.18), transparent 60%),
    radial-gradient(800px 500px at -10% 40%, rgba(224,146,71,.12), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  background-attachment: fixed;
}
a { color: var(--orange2); }
button, input, select, textarea { font: inherit; color: inherit; }

.shell { max-width: 1100px; margin: 0 auto; padding: 48px 24px 24px; display: grid; grid-template-columns: 340px 1fr; gap: 40px; align-items: start; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand img { width: 44px; height: 44px; }
.brand .name { font-weight: 700; font-size: 20px; letter-spacing: -.3px; line-height: 1; }
.brand .name b { color: var(--orange); }
.brand .by { font-size: 10.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--ink3); margin-top: 5px; }
.intro h1 { font-size: 34px; line-height: 1.1; letter-spacing: -.8px; margin: 36px 0 12px; }
.lede { color: var(--ink2); margin: 0 0 24px; }
.facts { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px; }
.facts li { display: flex; gap: 12px; align-items: center; color: var(--ink); }
.facts .ic { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font-size: 13px;
  background: rgba(224,146,71,.12); border: 1px solid rgba(224,146,71,.35); color: var(--orange); flex: none; }
.cover { border-top: 1px solid var(--line); padding-top: 20px; }
.cover h2 { font-size: 14px; margin: 0 0 10px; letter-spacing: .2px; }
.cover ol { margin: 0; padding-left: 20px; color: var(--ink2); display: grid; gap: 6px; }
.small { font-size: 12.5px; color: var(--ink3); }

.card { background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); border: 1px solid var(--line2);
  border-radius: 18px; padding: 28px; box-shadow: 0 30px 60px rgba(0,0,0,.35); min-height: 520px; }
.card h2 { font-size: 20px; margin: 0; letter-spacing: -.2px; }
.card-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.tz { font-size: 12px; color: var(--ink3); display: grid; gap: 4px; }
select, input, textarea {
  background: var(--bg2); border: 1px solid var(--line2); border-radius: 10px; padding: 10px 12px; width: 100%;
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.tz select { width: 240px; padding: 7px 10px; font-size: 13px; }
select:focus, input:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(91,140,255,.2); }
.bad { border-color: var(--red) !important; }

.picker { display: grid; grid-template-columns: 1fr 220px; gap: 28px; }
.cal-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.month { font-weight: 600; }
.cal-nav button { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line2); background: transparent; cursor: pointer; font-size: 18px; }
.cal-nav button:disabled { opacity: .3; cursor: default; }
.dow, .days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; text-align: center; }
.dow span { font-size: 11px; color: var(--ink3); text-transform: uppercase; letter-spacing: 1px; padding-bottom: 4px; }
.days button { aspect-ratio: 1; border-radius: 50%; border: 0; background: transparent; color: var(--ink3); font-size: 14px; }
.days button.open { background: rgba(91,140,255,.12); color: #c9d7ff; font-weight: 600; cursor: pointer; }
.days button.open:hover { background: rgba(91,140,255,.25); }
.days button.sel { background: var(--orange); color: #1b0f05; }
.days button:focus-visible, .slot:focus-visible, .primary:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.slots { border-left: 1px solid var(--line); padding-left: 24px; }
.day-label { font-weight: 600; margin-bottom: 12px; min-height: 24px; }
.slot-list { display: grid; gap: 8px; max-height: 360px; overflow-y: auto; padding-right: 4px; }
.slot { border: 1px solid rgba(224,146,71,.5); color: var(--orange2); background: transparent; border-radius: 10px; padding: 10px; font-weight: 600; cursor: pointer; transition: background .12s; }
.slot:hover { background: rgba(224,146,71,.12); }

.msg { margin: 16px 0 0; padding: 10px 14px; border-radius: 10px; background: rgba(255,138,138,.1); border: 1px solid rgba(255,138,138,.35); color: #ffc2c2; font-size: 14px; }

.back { background: none; border: 0; color: var(--ink2); cursor: pointer; padding: 0; margin-bottom: 16px; }
.chosen { display: grid; gap: 2px; padding: 14px 16px; border-radius: 12px; background: rgba(224,146,71,.1); border: 1px solid rgba(224,146,71,.35); margin-bottom: 22px; }
.chosen span { font-size: 13px; color: var(--ink2); }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid label { display: grid; gap: 6px; font-size: 13px; color: var(--ink2); }
.grid .wide { grid-column: 1 / -1; }
.opt { color: var(--ink3); }
.err { color: var(--red); min-height: 0; font-size: 12px; }
.err:empty { display: none; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.primary { margin-top: 22px; width: 100%; border: 0; border-radius: 12px; padding: 14px; font-weight: 700; font-size: 16px; cursor: pointer;
  background: linear-gradient(100deg, #e09247, #d07a33); color: #1b0f05; }
.primary:disabled { opacity: .6; cursor: progress; }

.done { text-align: center; padding: 50px 10px; }
.tick { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; font-size: 30px; color: #fff; background: var(--green); box-shadow: 0 0 0 10px rgba(34,197,94,.15); }
.done h2 { font-size: 26px; margin-bottom: 8px; }
.done-when { font-weight: 600; color: var(--orange2); }
.done p { color: var(--ink2); }

.foot { text-align: center; color: var(--ink3); font-size: 12px; padding: 24px; }

/* server-rendered pages (cancel / admin) */
.page { max-width: 640px; margin: 60px auto; padding: 0 20px; }
.page .card { min-height: 0; }
.page h1 { font-size: 26px; margin: 28px 0 10px; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 8px 16px; margin: 18px 0; font-size: 14px; }
.kv dt { color: var(--ink3); } .kv dd { margin: 0; }
.btn { display: inline-block; border-radius: 10px; padding: 11px 18px; font-weight: 700; text-decoration: none; cursor: pointer; border: 0; }
.btn.orange { background: var(--orange); color: #1b0f05; }
.btn.ghost { background: transparent; border: 1px solid var(--line2); color: var(--ink); }
.btn.danger { background: rgba(255,138,138,.15); border: 1px solid rgba(255,138,138,.45); color: #ffc2c2; }
.row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }

.admin { max-width: 1200px; margin: 40px auto; padding: 0 20px; }
.admin h1 { font-size: 24px; margin: 24px 0 4px; }
.admin h2 { font-size: 16px; margin: 32px 0 10px; }
.admin table { width: 100%; border-collapse: collapse; font-size: 13.5px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.admin th, .admin td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.admin th { color: var(--ink3); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .6px; background: var(--panel2); }
.admin td small { color: var(--ink3); display: block; }
.admin .notes { max-width: 260px; white-space: pre-wrap; color: var(--ink2); }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 20px; background: rgba(255,255,255,.08); color: var(--ink2); white-space: nowrap; }
.tag.ok { background: rgba(34,197,94,.15); color: #86efac; }
.tag.bad { background: rgba(255,138,138,.15); color: #ffc2c2; }
.inline { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline input { width: auto; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.chip { display: inline-flex; gap: 6px; align-items: center; background: var(--panel); border: 1px solid var(--line2); border-radius: 20px; padding: 4px 6px 4px 12px; font-size: 13px; }
.chip button { background: none; border: 0; color: var(--ink3); cursor: pointer; font-size: 15px; }
.warn { padding: 10px 14px; border-radius: 10px; background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.35); color: #fcd38a; font-size: 13.5px; margin-top: 12px; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; padding-top: 28px; gap: 24px; }
  .intro h1 { margin-top: 22px; font-size: 28px; }
  .cover { display: none; }
}
@media (max-width: 620px) {
  .card { padding: 20px 16px; border-radius: 16px; }
  .picker { grid-template-columns: 1fr; }
  .slots { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 16px; }
  .slot-list { grid-template-columns: repeat(3, 1fr); max-height: none; }
  .grid { grid-template-columns: 1fr; }
  .tz select { width: 100%; }
  .card-head { align-items: stretch; flex-direction: column; }
  .admin table, .admin thead, .admin tbody, .admin tr, .admin td { display: block; }
  .admin th { display: none; }
}
.mt { margin-top: 28px; }
.muted { color: var(--ink2); }