:root { color-scheme: light dark; --bg:#f6f4ef; --fg:#1d1d1b; --card:#fff; --accent:#8a6d3b; --line:#d9d4c7; }
@media (prefers-color-scheme: dark) { :root { --bg:#16181b; --fg:#ecebe6; --card:#22262b; --accent:#c9a45c; --line:#3a3f46; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.5 system-ui, sans-serif; }
main { max-width:640px; margin:0 auto; padding:16px; }
h1 { font-size:1.4rem; margin:8px 0; }
.notice, .hint { font-size:.85rem; opacity:.8; }
form#login { display:grid; gap:12px; background:var(--card); padding:16px; border-radius:12px; border:1px solid var(--line); }
label { display:grid; gap:4px; font-size:.9rem; }
input, select, button { font:inherit; padding:10px 12px; border-radius:8px; border:1px solid var(--line); background:var(--card); color:var(--fg); }
button { background:var(--accent); color:#fff; border:0; cursor:pointer; }
button:disabled { opacity:.5; cursor:default; }
#log { height:50vh; overflow-y:auto; display:flex; flex-direction:column; gap:8px; padding:8px; background:var(--card); border:1px solid var(--line); border-radius:12px; }
.msg { max-width:85%; padding:8px 12px; border-radius:12px; }
.msg.me { align-self:flex-end; background:var(--accent); color:#fff; }
.msg.bot { align-self:flex-start; border:1px solid var(--line); }
.msg.sys { align-self:center; font-size:.8rem; opacity:.7; }
#status { min-height:1.5em; font-size:.85rem; opacity:.7; }
.controls { display:grid; gap:8px; }
#mic { padding:16px; font-size:1.1rem; }
#mic[aria-pressed="true"] { background:#b3412f; }
#textform { display:flex; gap:8px; }
#textform input { flex:1; }
table { width:100%; border-collapse:collapse; font-size:.9rem; }
th, td { text-align:left; padding:6px 8px; border-bottom:1px solid var(--line); vertical-align:top; }
tr.high td { background:rgba(179,65,47,.15); }