:root {
  --night: #101826;
  --slate: #142033;
  --ink: #162433;
  --slate-soft: #4b5566;
  --paper: #f3f0ea;
  --paper-deep: #e9e4db;
  --card: #fbfaf7;
  --rule: #d4cdc1;
  --rule-strong: #8f8679;
  --limestone: #c8c2b8;
  --brass: #7a5f30;
  --brass-light: #ab9a7c;
  --err: #8a2a1e;
  --display: "Cormorant Garamond", Georgia, serif;
  --body: "Source Serif 4", Georgia, serif;
  --ui: "Geist", "Inter", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); }
body { font-family: var(--body); font-size: 17px; line-height: 1.55; min-height: 100vh; display: flex; flex-direction: column; }

header.top { background: var(--night); color: var(--paper); }
header.top .in { max-width: 760px; margin: 0 auto; padding: 18px 16px; display: flex; align-items: center; gap: 14px; }
header.top img { width: 40px; height: 40px; border-radius: 3px; box-shadow: 0 0 0 1px rgba(200,194,184,.2); }
header.top .word { font-family: var(--display); font-size: 26px; font-weight: 500; letter-spacing: .02em; line-height: 1; }
header.top .sub { font-family: var(--ui); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--brass-light); margin-top: 4px; }

main { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 28px 16px 24px; display: flex; flex-direction: column; }
h1 { font-family: var(--display); font-weight: 500; font-size: 40px; line-height: 1.1; margin: 0 0 6px; color: var(--slate); }
.lede { color: var(--slate-soft); margin: 0 0 22px; }
.banner { font-family: var(--ui); font-size: 13px; background: var(--paper-deep); border: 1px solid var(--rule); border-left: 3px solid var(--brass); padding: 8px 12px; margin-bottom: 18px; }

.log { flex: 1; display: flex; flex-direction: column; gap: 14px; margin-bottom: 18px; }
.msg { max-width: 92%; padding: 12px 16px; border-radius: 4px; }
.msg.you { align-self: flex-end; background: var(--slate); color: var(--paper); font-family: var(--ui); font-size: 15px; }
.msg.bot { align-self: flex-start; background: var(--card); border: 1px solid var(--rule); }
.msg.bot.err { border-left: 3px solid var(--err); }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-top: 12px; }
.slot { font: inherit; text-align: left; background: var(--paper); border: 1px solid var(--rule-strong); border-radius: 4px; padding: 10px 14px; cursor: pointer; color: var(--ink); transition: border-color .15s, background .15s; }
.slot:hover, .slot:focus-visible { border-color: var(--brass); background: #fff; outline: none; }
.slot .d { display: block; font-family: var(--ui); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--brass); }
.slot .t { display: block; font-family: var(--display); font-size: 24px; font-weight: 600; line-height: 1.2; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.chip { font-family: var(--ui); font-size: 13px; border: 1px solid var(--rule); background: var(--card); color: var(--slate-soft); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.chip:hover { border-color: var(--brass); color: var(--ink); }

form.ask { display: flex; gap: 8px; position: sticky; bottom: 0; background: var(--paper); padding: 10px 0 4px; }
input, textarea { font: inherit; font-family: var(--ui); font-size: 16px; color: var(--ink); background: #fff; border: 1px solid var(--rule-strong); border-radius: 4px; padding: 11px 13px; width: 100%; }
input:focus, textarea:focus { outline: 2px solid var(--brass-light); outline-offset: 1px; border-color: var(--brass); }
button.go { font-family: var(--ui); font-size: 15px; font-weight: 500; background: var(--slate); color: var(--paper); border: 0; border-radius: 4px; padding: 0 20px; cursor: pointer; white-space: nowrap; }
button.go:hover { background: var(--night); }
button.go:disabled { opacity: .55; cursor: wait; }
button.ghost { font-family: var(--ui); font-size: 15px; background: none; border: 1px solid var(--rule-strong); color: var(--ink); border-radius: 4px; padding: 11px 18px; cursor: pointer; }

dialog { border: 1px solid var(--rule); border-radius: 6px; padding: 0; width: min(520px, calc(100vw - 32px)); background: var(--card); color: var(--ink); }
dialog::backdrop { background: rgba(16,24,38,.55); }
dialog .in { padding: 24px; }
dialog h2 { font-family: var(--display); font-weight: 500; font-size: 30px; margin: 0 0 2px; color: var(--slate); }
dialog .when { font-family: var(--ui); font-size: 14px; color: var(--brass); margin: 0 0 18px; letter-spacing: .02em; }
label { display: block; font-family: var(--ui); font-size: 13px; color: var(--slate-soft); margin: 12px 0 4px; }
.row { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.row button.go { padding: 11px 20px; }
.err { color: var(--err); font-family: var(--ui); font-size: 14px; }
.ok h3 { font-family: var(--display); font-size: 24px; font-weight: 600; margin: 0 0 4px; color: var(--slate); }
.ok a { color: var(--brass); }

.card { background: var(--card); border: 1px solid var(--rule); border-radius: 6px; padding: 28px 24px; max-width: 440px; }
.card form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.card button.go { padding: 12px 20px; }
footer { text-align: center; font-family: var(--ui); font-size: 12px; color: var(--rule-strong); padding: 18px 16px 24px; letter-spacing: .06em; }

@media (max-width: 520px) {
  h1 { font-size: 32px; }
  header.top .word { font-size: 22px; }
  .slots { grid-template-columns: 1fr; }
}