:root{--blue:#3b82f6;--purple:#a855f7;--green:#22c55e;--gray:#94a3b8;--bg:#f8fafc;--card:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--danger:#ef4444}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Sarabun,Noto Sans Thai,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.app{max-width:560px;margin:0 auto;padding:env(safe-area-inset-top) 16px calc(16px + env(safe-area-inset-bottom));flex-direction:column}.app,.center{min-height:100dvh;display:flex}.center{align-items:center;justify-content:center;padding:24px}h1{font-size:22px;margin:20px 0 8px}.muted{color:var(--muted);font-size:14px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;margin:12px 0}label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}input[type=password],input[type=text]{width:100%;padding:12px 14px;font-size:16px;border:1px solid var(--border);border-radius:10px;background:#fff}button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:10px;padding:12px 16px;font-size:16px;font-weight:600;cursor:pointer;background:var(--blue);color:#fff;width:100%;transition:opacity .15s ease}button:disabled{opacity:.5;cursor:default}button.secondary{background:#eef2ff;color:var(--blue)}button.ghost{background:transparent;color:var(--muted);width:auto;padding:8px 4px}.row{display:flex;gap:10px}.row,.status{align-items:center}.status{display:inline-flex;gap:6px;font-size:14px;font-weight:600}.dot{width:9px;height:9px;border-radius:50%;background:var(--gray)}.dot.on{background:var(--green)}.dot.off{background:var(--danger)}.error{color:var(--danger);margin-top:8px}.error,.hint{font-size:14px}.hint{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:12px 14px;color:#92400e}.stack>*+*{margin-top:12px}.tabs{display:flex;gap:4px;background:#eef2f7;border-radius:12px;padding:4px;margin:12px 0}.tab{flex:1 1;width:auto;background:transparent;color:var(--muted);padding:9px 12px}.tab.active{background:var(--card);color:var(--text);box-shadow:0 1px 2px rgba(15,23,42,.08)}.chat{min-height:0}.chat,.chat-log{flex:1 1;display:flex;flex-direction:column}.chat-log{overflow-y:auto;gap:10px;padding:4px 2px 12px}.bubble{max-width:84%;padding:10px 14px;border-radius:16px;font-size:15px;white-space:pre-wrap;word-break:break-word}.bubble.user{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}.bubble.assistant{align-self:flex-start;background:#eef2f7;color:var(--text);border-bottom-left-radius:4px}.bubble.typing{color:var(--muted)}.chat-input{display:flex;gap:8px;padding-top:8px;border-top:1px solid var(--border);position:-webkit-sticky;position:sticky;bottom:0;background:var(--bg)}.chat-input input{flex:1 1}.appt{background:var(--card);border:1px solid var(--border);border-left:4px solid var(--gray);border-radius:12px;padding:12px 14px;align-self:stretch;max-width:100%}.appt.cancelled{opacity:.55}.appt.cancelled .appt-title{text-decoration:line-through}.appt-title{font-weight:600;margin-bottom:4px}.appt-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--muted)}.appt-loc{font-size:13px;color:var(--muted);margin-top:4px}.chip{font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px;color:#fff}.cat-work{border-left-color:var(--blue)}.chip.cat-work{background:var(--blue)}.cat-personal{border-left-color:var(--purple)}.chip.cat-personal{background:var(--purple)}.cat-health{border-left-color:var(--green)}.chip.cat-health{background:var(--green)}.cat-other{border-left-color:var(--gray)}.chip.cat-other{background:var(--gray)}.day-head{font-size:13px;font-weight:700;color:var(--muted);margin:4px 0 8px}.banner{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:12px 14px;margin:12px 0}.banner-head{font-weight:700;color:#92400e;font-size:14px;margin-bottom:6px}.banner-row{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;color:#78350f;padding:4px 0}.banner-row button{color:#92400e;font-size:13px}