*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #FFF8F0;--surface: #FFFFFF;--surface2: #FFE8CC;--accent: #FF7A00;--accent2: #E86A00;--accent-light: #FFF0E0;--text: #3D2B1F;--text-muted: #B08060;--user-bubble: #FF8C00;--ai-bubble: #E8F6FF;--ai-bubble-border: #B8DCFF;--danger: #E05555;--warning: #E0A840;--radius: 18px;--shadow: 0 2px 12px rgba(200, 120, 0, .12)}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Maru Gothic Pro,"Rounded Mplus 1c",Segoe UI,sans-serif;font-size:16px;line-height:1.6}.app{display:flex;flex-direction:column;height:100%;max-width:640px;margin:0 auto;background:var(--bg)}.app__header{padding:0 0 8px;background:linear-gradient(160deg,#ff8c00,#ffb340 60%,#ffd580);border-bottom:none;box-shadow:0 4px 16px #c864002e;flex-shrink:0;position:relative;overflow:hidden}.app__header:before{content:"";position:absolute;top:-30px;right:-30px;width:120px;height:120px;background:#ffffff1a;border-radius:50%}.app__header-top{display:flex;align-items:center;gap:12px;padding:12px 16px 8px}.app__papa-icon{flex-shrink:0;width:56px;height:56px;border-radius:50%;object-fit:cover;object-position:center top;border:3px solid rgba(255,255,255,.7);box-shadow:0 2px 8px #0003}.app__title-area{flex:1}.app__title{font-size:1.5rem;font-weight:800;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.2);letter-spacing:.02em}.app__subtitle{font-size:.75rem;color:#ffffffd9;margin-top:1px}.app__controls{display:flex;align-items:center;gap:8px;padding:0 16px 6px}.app__main{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--bg)}.app__footer{padding:12px 16px;background:var(--surface);border-top:2px solid var(--surface2);flex-shrink:0;box-shadow:0 -4px 16px #c864000f}.mode-toggle{display:flex;background:#ffffff40;border-radius:20px;overflow:hidden;padding:2px;gap:2px}.mode-toggle__btn{padding:5px 14px;background:none;border:none;color:#fffc;cursor:pointer;font-size:.82rem;font-weight:600;border-radius:16px;transition:all .15s}.mode-toggle__btn--active{background:#fff;color:var(--accent)}.clear-btn{margin-left:auto;padding:5px 12px;background:#fff3;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:14px;cursor:pointer;font-size:.78rem;font-weight:600;transition:all .15s}.clear-btn:hover{background:#ffffff59}.cost-status{display:flex;align-items:center;gap:8px;padding:0 16px 10px}.cost-status__bar{flex:1;height:5px;background:#ffffff4d;border-radius:3px;overflow:hidden}.cost-status__fill{height:100%;background:#fff;border-radius:3px;transition:width .4s;opacity:.9}.cost-status--warning .cost-status__fill{background:#ffe066}.cost-status__label{font-size:.72rem;color:#ffffffe6;white-space:nowrap;font-weight:600}.chat-history{display:flex;flex-direction:column;gap:12px}.chat-history--empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-muted);text-align:center;padding:40px 20px}.empty-family-photo{width:100%;max-width:320px;border-radius:20px;object-fit:cover;box-shadow:0 4px 20px #c8640026;border:3px solid rgba(255,140,0,.2)}.chat-history--empty .empty-text{font-size:1rem;color:var(--text-muted)}.message{display:flex;flex-direction:column;max-width:82%}.message--user{align-self:flex-end;align-items:flex-end}.message--assistant{align-self:flex-start;align-items:flex-start}.message__bubble{padding:11px 16px;border-radius:var(--radius);line-height:1.55;white-space:pre-wrap;word-break:break-word;box-shadow:var(--shadow)}.message--user .message__bubble{background:var(--user-bubble);color:#fff;border-bottom-right-radius:6px;box-shadow:0 3px 10px #ff78004d}.message--assistant .message__bubble{background:var(--ai-bubble);color:var(--text);border:1.5px solid var(--ai-bubble-border);border-bottom-left-radius:6px}.message__audio{display:block;margin-top:8px;width:220px;height:32px}.message__cost{font-size:.68rem;color:var(--text-muted);margin-top:3px;padding:0 4px}.voice-btn{display:block;width:100%;padding:18px;border:none;border-radius:24px;background:linear-gradient(135deg,#ff8c00,#ffb340);color:#fff;font-size:1.15rem;font-weight:700;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .15s;box-shadow:0 4px 16px #ff780059;letter-spacing:.02em}.voice-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 20px #ff780066}.voice-btn--recording{background:linear-gradient(135deg,#e05555,#ff8080);box-shadow:0 4px 16px #dc3c3c66;animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 4px 16px #dc3c3c66}50%{box-shadow:0 4px 28px #dc3c3ca6}}.voice-btn--processing{background:var(--surface2);color:var(--text-muted);cursor:not-allowed;box-shadow:none}.voice-btn:active:not(:disabled){transform:scale(.97)}.text-input{display:flex;gap:8px}.text-input__field{flex:1;padding:12px 16px;background:var(--accent-light);border:2px solid var(--surface2);border-radius:22px;color:var(--text);font-size:1rem;outline:none;transition:border-color .15s}.text-input__field:focus{border-color:var(--accent);background:#fff}.text-input__field::placeholder{color:var(--text-muted)}.text-input__send{padding:12px 22px;background:linear-gradient(135deg,#ff8c00,#ffb340);border:none;border-radius:22px;color:#fff;font-size:1rem;font-weight:700;cursor:pointer;transition:all .15s;box-shadow:0 3px 10px #ff78004d}.text-input__send:hover:not(:disabled){background:linear-gradient(135deg,#e86a00,#ff9a20);transform:translateY(-1px)}.text-input__send:disabled{background:var(--surface2);color:var(--text-muted);cursor:not-allowed;box-shadow:none}.error-banner{padding:10px 16px;background:#fff0f0;border:1.5px solid var(--danger);border-radius:var(--radius);color:#c03030;font-size:.9rem}