:root { --bg: #ffffff; --soft: #f5f6f7; --ink: #15171a; --ink-2: #5b616b; --line: #e7e9ec; --ok: #15803d; --bad: #b91c1c; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bg: #101215; --soft: #1a1d22; --ink: #eef0f3; --ink-2: #a2a9b4; --line: #2a2f37; --ok: #4ade80; --bad: #f87171; } }
:root[data-theme="dark"] { --bg: #101215; --soft: #1a1d22; --ink: #eef0f3; --ink-2: #a2a9b4; --line: #2a2f37; --ok: #4ade80; --bad: #f87171; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--soft); color: var(--ink); font: 15px/1.55 "Inter", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
html[lang="ar"] body { font-family: "Noto Sans Arabic", "Inter", sans-serif; }
html[lang="th"] body { font-family: "Noto Sans Thai", "Inter", sans-serif; }
html[lang="hi"] body { font-family: "Inter", "Noto Sans Devanagari", sans-serif; }
.app { max-width: 760px; height: 100%; margin: 0 auto; display: grid; grid-template-rows: auto 1fr auto auto; background: var(--bg); border-inline: 1px solid var(--line); }
body.embed .app { max-width: none; border: 0; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); background: var(--brand); color: #fff; }
.brand { display: flex; align-items: center; gap: 12px; }
.mark { width: 38px; height: 38px; border-radius: 11px; background: rgba(255,255,255,.18); display: grid; place-items: center; font-weight: 700; letter-spacing: .04em; }
.name { font-weight: 700; font-size: 16px; } .sub { font-size: 12.5px; opacity: .85; }
.lang { background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.3); border-radius: 999px; padding: 6px 10px; font: inherit; font-size: 13px; }
.lang option { color: #111; }
.log { overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.bot .bubble, .me { padding: 10px 14px; border-radius: 16px; max-width: 88%; }
.bot .bubble { background: var(--soft); border-start-start-radius: 4px; }
.me { align-self: flex-end; background: var(--brand); color: #fff; border-end-end-radius: 4px; white-space: pre-wrap; }
.bot .bubble p { margin: 0 0 8px; } .bot .bubble p:last-child { margin: 0; } .bot .bubble ul { margin: 4px 0; padding-inline-start: 20px; }
.starters { display: flex; flex-wrap: wrap; gap: 8px; }
.starters button { border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 999px; padding: 7px 13px; font: inherit; font-size: 13.5px; cursor: pointer; }
.starters button:hover { border-color: var(--brand); color: var(--brand); }
.cards { display: flex; gap: 10px; overflow-x: auto; padding: 8px 2px 4px; }
.pc { flex: 0 0 150px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--bg); }
.pc img { width: 100%; aspect-ratio: 3/4; object-fit: cover; display: block; background: var(--soft); }
.pc .b { padding: 7px 9px 9px; font-size: 12.5px; }
.pc .nm { font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.6em; }
.pc .pr { font-weight: 700; margin-top: 3px; }
.store { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin-top: 8px; font-size: 13.5px; }
.pill { display: inline-block; font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.pill.ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.pill.bad { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }
.muted { color: var(--ink-2); font-size: 12.5px; }
.typing { display: inline-flex; gap: 4px; padding: 4px 0; } .typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-2); animation: b 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s } .typing i:nth-child(3) { animation-delay: .4s }
@keyframes b { 0%,80%,100% { opacity: .25 } 40% { opacity: 1 } }
.composer { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--line); }
.composer input { flex: 1; font: inherit; color: var(--ink); background: var(--soft); border: 1px solid transparent; border-radius: 999px; padding: 11px 16px; outline: none; }
.composer input:focus { border-color: var(--brand); background: var(--bg); }
.composer button { width: 44px; border: 0; border-radius: 50%; background: var(--brand); color: #fff; cursor: pointer; display: grid; place-items: center; }
html[dir="rtl"] .composer button svg { transform: scaleX(-1); }
.powered { text-align: center; font-size: 11.5px; color: var(--ink-2); padding: 0 0 10px; }
@media (max-width: 520px) { .log { padding: 14px; } .pc { flex-basis: 132px; } }

html[lang="zh-hans"] body { font-family: var(--sans, "Inter"), "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; }