:root{--teal:#0f766e;--teal2:#0d9488;--ink:#1f2937;--muted:#64748b;--line:#e2e8f0;--bg:#f1f5f9}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.top{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-weight:700;color:var(--teal);font-size:18px}.brand .logo{margin-right:4px}
.tag{font-weight:500;color:var(--muted);font-size:12px;margin-left:6px}
.pill{font-size:12px;padding:4px 10px;border-radius:999px;background:#e2e8f0;color:#334155}
.pill.ok{background:#d1fae5;color:#065f46}.pill.off{background:#fee2e2;color:#991b1b}
main{max-width:760px;margin:18px auto;padding:0 14px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.hidden{display:none!important}.center{text-align:center}
h1{color:var(--teal);font-size:26px;margin:6px 0}.sub{color:var(--muted);max-width:560px;margin:8px auto 18px;line-height:1.5}
.langrow{display:flex;align-items:center;justify-content:center;gap:10px;margin:10px 0 18px}
.langrow label{color:var(--muted);font-size:14px}
.langbtns{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.lang{border:none;background:#fff;padding:8px 14px;cursor:pointer;font-size:14px;color:#334155}
.lang.active{background:var(--teal);color:#fff}
.cta{background:var(--teal);color:#fff;border:none;border-radius:12px;padding:16px 26px;font-size:19px;font-weight:600;cursor:pointer;box-shadow:0 4px 12px rgba(15,118,110,.3);transition:transform .05s}
.cta:hover{background:var(--teal2)}.cta:active{transform:scale(.98)}.cta:disabled{background:#94a3b8;box-shadow:none;cursor:not-allowed}
.note{color:#b45309;font-size:14px;margin-top:12px;min-height:18px}
.fineprint{color:#94a3b8;font-size:12px;margin-top:18px}
/* chat */
.chat{display:flex;flex-direction:column;gap:10px;max-height:52vh;overflow-y:auto;padding:4px 2px 8px}
.msg{max-width:82%;padding:10px 14px;border-radius:14px;line-height:1.45;white-space:pre-wrap;animation:fade .2s}
.msg.ai{background:#f0fdfa;border:1px solid #ccfbf1;align-self:flex-start;border-bottom-left-radius:4px}
.msg.user{background:var(--teal);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg.sys{background:#f8fafc;border:1px dashed var(--line);color:var(--muted);align-self:center;font-size:13px;max-width:92%}
.msg.thinking{color:#94a3b8;font-size:20px;letter-spacing:2px}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1}}
/* docs */
.docs{display:flex;flex-direction:column;gap:8px;margin:10px 0}
.doc{border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:13px}
.doc.ok{background:#f0fdf4;border-color:#bbf7d0}.doc.bad{background:#fef2f2;border-color:#fecaca}
.docname{font-weight:600}.dockind{font-weight:400;color:var(--muted);font-size:11px;text-transform:uppercase;margin-left:4px}
.docsum{color:#334155;margin-top:3px;line-height:1.4}
/* composer */
.composer{display:flex;align-items:flex-end;gap:8px;margin-top:12px;border-top:1px solid var(--line);padding-top:12px}
.icon{border:1px solid var(--line);background:#fff;border-radius:10px;width:44px;height:44px;font-size:19px;cursor:pointer;flex:0 0 auto}
.icon:hover{background:#f8fafc}.icon.send{background:var(--teal);color:#fff;border-color:var(--teal)}
.icon.listening{background:#fee2e2;border-color:#fca5a5;animation:pulse 1s infinite}
#msgInput{flex:1;resize:none;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:15px;font-family:inherit;line-height:1.4;max-height:140px}
.convo-actions{display:flex;justify-content:space-between;align-items:center;margin-top:12px;gap:8px;flex-wrap:wrap}
.ghost{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 12px;cursor:pointer;color:#475569;font-size:13px}
.finalize{background:#0d9488;color:#fff;border:none;border-radius:10px;padding:11px 18px;font-weight:600;cursor:pointer;font-size:15px}
.finalize.pulse{animation:pulse 1.2s infinite;box-shadow:0 0 0 0 rgba(13,148,136,.5)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(13,148,136,.45)}70%{box-shadow:0 0 0 10px rgba(13,148,136,0)}100%{box-shadow:0 0 0 0 rgba(13,148,136,0)}}
.micstatus{color:var(--muted);font-size:13px;margin-top:8px;min-height:16px;text-align:center}
/* report */
.reporthead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.reporthead h2{color:var(--teal);margin:0}
.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;border:none;border-radius:8px;padding:9px 14px;font-size:14px;cursor:pointer}
.btn.ghost{background:#fff;color:#475569;border:1px solid var(--line)}
.reportframe{width:100%;height:66vh;border:1px solid var(--line);border-radius:10px;background:#fff}
@media(max-width:520px){h1{font-size:22px}.cta{width:100%}}
/* footer */
.foot{max-width:760px;margin:8px auto 28px;padding:0 14px;text-align:center}
.foot a{color:var(--muted);font-size:13px;text-decoration:none}
.foot a:hover{color:var(--teal);text-decoration:underline}