:root{--bg:#f2f3f5;--surface:#fff;--surface-2:#f7f8fa;--border:#e3e5e9;--text:#14171a;--text-dim:#6b7280;--text-faint:#9aa1ab;--brand:#06c755;--brand-ink:#fff;--bubble-in:#fff;--bubble-out:#06c755;--bubble-out-text:#fff;--danger:#e0245e;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);--radius:14px;--header-h:52px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}@media (prefers-color-scheme:dark){:root{--bg:#0f1114;--surface:#181b1f;--surface-2:#202429;--border:#2b3037;--text:#e9edf2;--text-dim:#9aa4b2;--text-faint:#6e7681;--bubble-in:#202429;--shadow:none}}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans Thai,IBM Plex Sans Thai,Sarabun,Helvetica Neue,Arial,sans-serif;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}body{font-size:15px;line-height:1.45}button,input,select,textarea{font:inherit;color:inherit;font-size:16px}button{cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}.app{display:flex;flex-direction:column;height:100dvh;max-width:720px;margin:0 auto;background:var(--bg);position:relative}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;padding-top:var(--safe-top);background:var(--surface);border-bottom:1px solid var(--border)}.topbar-row{height:var(--header-h);display:flex;align-items:center;gap:10px;padding:0 8px}.topbar-title{font-size:17px;font-weight:700;letter-spacing:-.01em;flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--text-dim);flex:none}.icon-btn:active{background:var(--surface-2)}.badge{min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--danger);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;flex:none}.chips{display:flex;gap:8px;overflow-x:auto;padding:8px 12px;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);font-size:13px;font-weight:600;white-space:nowrap;flex:none}.chip[data-on=true]{background:var(--text);border-color:var(--text);color:var(--surface)}.chip .dot{width:8px;height:8px;border-radius:50%;flex:none}.chip .count{background:var(--danger);color:#fff;border-radius:999px;padding:0 5px;font-size:11px;min-width:16px;text-align:center}.searchbar{padding:0 12px 8px}.searchbar input{width:100%;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface-2);padding:0 12px;font-size:15px;outline:none}.searchbar input:focus{border-color:var(--brand)}.list{flex:1 1;overflow-y:auto;-webkit-overflow-scrolling:touch}.conv{display:flex;gap:12px;padding:12px 14px;align-items:center;background:var(--surface);border-bottom:1px solid var(--border);min-height:72px}.conv:active{background:var(--surface-2)}.conv[data-unread=true] .conv-name{font-weight:800}.conv[data-unread=true] .conv-preview{color:var(--text)}.avatar{width:48px;height:48px;border-radius:50%;flex:none;object-fit:cover;background:var(--surface-2);display:grid;place-items:center;font-weight:700;color:var(--text-dim);overflow:hidden}.avatar-wrap{position:relative;flex:none}.avatar-oa{position:absolute;right:-2px;bottom:-2px;width:16px;height:16px;border-radius:50%;border:2px solid var(--surface)}.conv-main{flex:1 1;min-width:0}.conv-top{display:flex;align-items:baseline;gap:8px}.conv-name{font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1;min-width:0}.conv-time{font-size:11px;color:var(--text-faint);flex:none}.conv-bottom{display:flex;align-items:center;gap:8px;margin-top:2px}.conv-preview{font-size:13px;color:var(--text-dim);flex:1 1;min-width:0}.conv-oa,.conv-preview{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-oa{font-size:11px;font-weight:700;padding:1px 7px;border-radius:999px;color:#fff;flex:none;max-width:40%}.tagrow{display:flex;gap:4px;margin-top:4px;flex-wrap:wrap}.tag{font-size:11px;padding:1px 7px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border)}.empty,.tag{color:var(--text-dim)}.empty{padding:56px 24px;text-align:center;font-size:14px}.empty strong{display:block;color:var(--text);font-size:16px;margin-bottom:6px}.thread{flex:1 1;overflow-y:auto;padding:12px 12px 4px;display:flex;flex-direction:column;gap:4px;-webkit-overflow-scrolling:touch}.daysep{align-self:center;margin:12px 0 8px}.daysep span{background:rgba(0,0,0,.08);color:var(--text-dim);font-size:11px;padding:3px 10px;border-radius:999px}@media (prefers-color-scheme:dark){.daysep span{background:hsla(0,0%,100%,.09)}}.row{display:flex;gap:6px;align-items:flex-end;max-width:100%}.row.out{flex-direction:row-reverse}.row+.row{margin-top:2px}.bubble{max-width:min(78%,460px);padding:8px 12px;border-radius:18px;background:var(--bubble-in);box-shadow:var(--shadow);font-size:15px;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}.row.out .bubble{background:var(--bubble-out);color:var(--bubble-out-text);border-bottom-right-radius:6px}.row.in .bubble{border-bottom-left-radius:6px}.bubble.media{padding:3px;background:transparent;box-shadow:none}.bubble.media img{display:block;max-width:100%;border-radius:14px}.bubble.sticker{padding:0;background:transparent;box-shadow:none}.bubble.sticker img{width:120px;height:120px;object-fit:contain}.bubble.failed{outline:1px solid var(--danger)}.meta{font-size:10px;color:var(--text-faint);flex:none;padding-bottom:2px}.sysmsg{align-self:center;font-size:12px;color:var(--text-dim);background:var(--surface-2);border:1px solid var(--border);padding:4px 12px;border-radius:999px;margin:6px 0}.filecard{display:flex;gap:10px;align-items:center;padding:10px 12px;background:var(--surface);border-radius:14px;box-shadow:var(--shadow);max-width:78%}.filecard small{color:var(--text-dim)}.pwa-banner{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:60;display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:14px;background:var(--text);color:var(--bg);font-size:13px;line-height:1.45;box-shadow:0 8px 28px rgba(0,0,0,.28);animation:pwa-rise .28s ease-out}.pwa-banner span{flex:1 1;min-width:0}.pwa-banner .chip{flex:none;background:var(--brand);color:#fff;border-color:transparent;text-decoration:none}.pwa-close{flex:none;width:24px;height:24px;border-radius:12px;font-size:17px;line-height:1;color:var(--bg);opacity:.6}.pwa-close:active{opacity:1}@keyframes pwa-rise{0%{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}.pending-image{display:flex;align-items:center;gap:10px;padding:8px 12px;border-top:1px solid var(--border);background:var(--surface)}.pending-image img{width:56px;height:56px;object-fit:cover;border-radius:10px;border:1px solid var(--border);flex:none}.image-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px;padding:4px 20px 8px}.image-cell{display:flex;flex-direction:column;gap:4px;border-radius:12px;overflow:hidden;text-align:left}.image-cell img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;border:1px solid var(--border);background:var(--surface-2)}.image-cell span{font-size:11px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.image-cell:active img{opacity:.75}.composer{border-top:1px solid var(--border);background:var(--surface);padding:8px 8px calc(8px + var(--safe-bottom));display:flex;gap:8px;align-items:flex-end}.composer textarea{flex:1 1;min-height:40px;max-height:140px;resize:none;border-radius:20px;border:1px solid var(--border);background:var(--surface-2);padding:9px 14px;outline:none;line-height:1.4}.composer textarea:focus{border-color:var(--brand)}.send-btn{width:40px;height:40px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;flex:none}.send-btn:disabled{opacity:.35}.sheet-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:50;display:flex;align-items:flex-end;justify-content:center}.sheet{width:100%;max-width:720px;background:var(--surface);border-radius:20px 20px 0 0;padding:8px 0 calc(12px + var(--safe-bottom));max-height:80dvh;overflow-y:auto;animation:slideup .18s ease-out}@keyframes slideup{0%{transform:translateY(14px);opacity:.6}to{transform:none;opacity:1}}.sheet-grip{width:40px;height:4px;border-radius:2px;background:var(--border);margin:6px auto 10px}.sheet h3{margin:0;padding:6px 20px 10px;font-size:15px}.sheet-item{width:100%;text-align:left;padding:14px 20px;display:flex;gap:12px;align-items:center;font-size:15px;border-top:1px solid var(--border)}.sheet-item:active{background:var(--surface-2)}.sheet-item.danger{color:var(--danger)}.sheet-item small{color:var(--text-dim);display:block;font-size:12px}.page-pad{padding:16px 16px calc(24px + var(--safe-bottom));overflow-y:auto;flex:1 1}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:12px}.card h2{margin:0 0 4px;font-size:15px}.card p.hint{margin:0 0 12px;font-size:13px;color:var(--text-dim)}.field{margin-bottom:12px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-dim)}.field input,.field select,.field textarea{width:100%;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);padding:11px 12px;outline:none}.field input:focus,.field textarea:focus{border-color:var(--brand)}.field textarea{min-height:84px;resize:vertical}.btn{width:100%;height:46px;border-radius:12px;background:var(--brand);color:var(--brand-ink);font-weight:700;display:grid;place-items:center}.btn:disabled{opacity:.5}.btn.secondary{background:var(--surface-2);color:var(--text)}.btn.danger,.btn.secondary{border:1px solid var(--border)}.btn.danger{background:transparent}.alert,.btn.danger{color:var(--danger)}.alert{border-radius:10px;padding:10px 12px;font-size:13px;margin-bottom:12px;background:rgba(224,36,94,.1)}.alert.ok{background:rgba(6,199,85,.12);color:#0a8f43}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;word-break:break-all;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:8px 10px}.rowline{display:flex;align-items:center;gap:10px;padding:12px 0;border-top:1px solid var(--border)}.rowline:first-of-type{border-top:none}.rowline .grow{flex:1 1;min-width:0}.rowline .grow b{display:block;font-size:14px}.rowline .grow small{color:var(--text-dim);font-size:12px}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid hsla(0,0%,100%,.4);border-top-color:#fff;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.center-page{flex:1 1;display:flex;flex-direction:column;justify-content:center;padding:24px}