public/styles.css

:root {
  --bg: #f6f7f9; --card: #fff; --ink: #1d2330; --muted: #5b6475; --line: #dde1e8;
  --accent: #2f5bea; --accent-ink: #fff; --danger: #b42318; --ok: #067647;
  color-scheme: light dark;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11141a; --card: #1a1f28; --ink: #e7eaf0; --muted: #9aa3b2; --line: #2c3340; --accent: #7c9bff; --accent-ink: #0b1020; --danger: #ff8a80; --ok: #6ee7a8; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; border-bottom: 1px solid var(--line); background: var(--card); }
.topbar h1 { font-size: 1.1rem; margin: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; }
.card h2 { font-size: 1rem; margin: 0 0 12px; }
.login { max-width: 360px; margin: 64px auto; display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-weight: 500; }
input, textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
button { font: inherit; padding: 8px 14px; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-ink); cursor: pointer; }
button:disabled { opacity: .55; cursor: not-allowed; }
button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.link { background: none; color: var(--accent); padding: 0 4px; text-decoration: underline; }
.error { color: var(--danger); min-height: 1.5em; margin: 0; }
.hint { color: var(--muted); font-size: .85rem; margin: 0; }
.layout { display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: 16px; padding: 16px; max-width: 1100px; margin: 0 auto; }
@media (max-width: 720px) { .layout { grid-template-columns: 1fr; } }
#orders { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
#orders li { padding: 8px; border: 1px solid var(--line); border-radius: 8px; }
.status { color: var(--muted); }
.chat { display: grid; grid-template-rows: auto 1fr auto auto; min-height: 70vh; }
#chat-log { display: flex; flex-direction: column; gap: 10px; overflow-y: auto; }
.msg { max-width: 85%; padding: 8px 12px; border-radius: 12px; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.user { align-self: flex-end; background: var(--accent); color: var(--accent-ink); }
.msg.assistant { align-self: flex-start; background: var(--bg); border: 1px solid var(--line); }
.order-card { margin-top: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); white-space: normal; }
.order-card .meta { color: var(--muted); font-size: .9rem; }
.order-card .actions { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.stopped { color: var(--muted); }
#chat-form { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; margin-top: 12px; }
dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }