:root { color-scheme: light dark; --gap: 12px; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.4 system-ui, sans-serif; }
header { display: flex; gap: var(--gap); align-items: baseline; padding: var(--gap) 16px; border-bottom: 1px solid #8884; }
header h1 { margin: 0; font-size: 1.2rem; }
main { display: grid; gap: var(--gap); padding: 16px; max-width: 960px; margin: 0 auto; }
@media (min-width: 800px) { main { grid-template-columns: 1fr 280px; } #topics { grid-column: 1 / -1; } #cart { grid-column: 2; grid-row: 2 / span 2; } }
#topics { display: grid; gap: var(--gap); grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.topic { text-align: left; padding: var(--gap); border: 1px solid #8886; border-radius: 10px; background: none; color: inherit; cursor: pointer; }
.topic b { display: block; } .topic small { opacity: .7; }
#log { min-height: 240px; max-height: 55vh; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; padding: 8px 0; }
.msg { padding: 8px 12px; border-radius: 12px; max-width: 85%; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: #2a7de133; } .msg.bot { align-self: flex-start; background: #8883; }
#prompts { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
#prompts button { border: 1px solid #8886; border-radius: 16px; padding: 4px 10px; background: none; color: inherit; cursor: pointer; }
#form { display: flex; gap: 8px; } #text { flex: 1; padding: 8px; font: inherit; }
#cart { border: 1px solid #8886; border-radius: 10px; padding: var(--gap); align-self: start; }
#cart h2 { margin: 0 0 8px; font-size: 1rem; } #cart ul { padding-left: 18px; margin: 0; }
#catalog h2 { font-size: 1rem; margin: 0 0 8px; } #catalog small { opacity: .6; font-weight: normal; }
#items { display: grid; gap: 8px; }
.item { display: grid; grid-template-columns: 40px 1fr auto; gap: 10px; align-items: center; padding: 10px; border: 1px solid #8886; border-radius: 10px; transition: background .3s, box-shadow .3s; }
.item.hl { background: #2a7de122; box-shadow: 0 0 0 2px #2a7de1; }
.item .icon { font-size: 1.6rem; text-align: center; }
.item .desc { font-size: .8rem; opacity: .7; } .item .price { font-weight: 600; }
.qty { display: flex; align-items: center; gap: 6px; }
.qty button { width: 32px; height: 32px; border-radius: 8px; border: 1px solid #8886; background: none; color: inherit; font-size: 1.1rem; cursor: pointer; }
.qty button:disabled { opacity: .35; cursor: default; }
#mic { min-width: 44px; } #mic.rec { background: #d33; color: #fff; }