*{box-sizing:border-box;margin:0;padding:0}:root{--primary:#4f46e5;--primary-light:#eef2ff;--primary-dark:#3730a3;--bg:#f8f9ff;--card:#ffffff;--text:#1e1b4b;--text-sub:#6b7280;--border:#e5e7eb;--radius:14px;--shadow:0 2px 12px rgba(79,70,229,0.08)}body,html{font-family:-apple-system,Hiragino Sans,Hiragino Kaku Gothic ProN,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:16px;-webkit-text-size-adjust:100%}.container{max-width:640px;margin:0 auto;padding:0 0 100px}.header{background:var(--primary);color:white;padding:20px 20px 18px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.header h1{font-size:20px;font-weight:700}.header p{font-size:13px;opacity:.8;margin-top:2px}.section{background:var(--card);margin:12px 12px 0;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.section-title{font-size:13px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.input-area{width:100%;min-height:140px;border:2px solid var(--border);border-radius:10px;padding:14px;font-size:16px;line-height:1.7;color:var(--text);background:white;resize:none;font-family:inherit;transition:border-color .2s;-webkit-appearance:none}.input-area:focus{outline:none;border-color:var(--primary)}.input-area::placeholder{color:#9ca3af}.input-row{display:flex;gap:8px;margin-top:10px}.btn-outline{flex:1 1;padding:11px 8px;border:2px solid var(--border);border-radius:10px;background:white;color:var(--text-sub);font-size:14px;font-weight:600;cursor:pointer;text-align:center;transition:all .15s;display:flex;align-items:center;justify-content:center;gap:6px}.btn-outline:active,.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:9px 16px;border-radius:50px;border:2px solid var(--border);background:white;color:var(--text-sub);font-size:15px;font-weight:500;cursor:pointer;transition:all .15s;-webkit-appearance:none;font-family:inherit}.chip:active{transform:scale(.96)}.chip.selected{border-color:var(--primary)}.btn-generate,.chip.selected{background:var(--primary);color:white;font-weight:700}.btn-generate{display:block;width:calc(100% - 24px);margin:14px 12px 0;padding:18px;font-size:18px;border:none;border-radius:var(--radius);cursor:pointer;transition:all .15s;font-family:inherit;box-shadow:0 4px 16px rgba(79,70,229,.3)}.btn-generate:hover{background:var(--primary-dark)}.btn-generate:active{transform:scale(.98)}.btn-generate:disabled{background:#a5b4fc;box-shadow:none;cursor:not-allowed}.results{margin-top:0}.reply-card{background:var(--card);margin:12px 12px 0;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;border:2px solid transparent;transition:border-color .2s}.reply-card.copied{border-color:#10b981}.reply-label{background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;padding:10px 16px}.reply-text{padding:16px;font-size:16px;line-height:1.9;color:var(--text);white-space:pre-wrap;word-break:break-all}.copy-btn{display:block;width:100%;padding:14px;border:none;border-top:1px solid var(--border);background:white;color:var(--primary);font-size:15px;font-weight:700;cursor:pointer;transition:background .15s;font-family:inherit}.copy-btn:hover{background:var(--primary-light)}.copy-btn.done{color:#10b981}.loading{text-align:center;padding:40px 20px;color:var(--text-sub)}.spinner{width:40px;height:40px;border:4px solid var(--primary-light);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(1turn)}}.error-box{background:#fef2f2;border:2px solid #fca5a5;border-radius:10px;padding:14px 16px;color:#dc2626;font-size:14px;margin:12px 12px 0}.img-preview{position:relative;margin-top:10px}.img-preview img{width:100%;border-radius:10px;border:2px solid var(--border);max-height:200px;object-fit:cover}.img-remove{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;background:rgba(0,0,0,.6);color:white;border:none;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center}