:root{--primary: #ff6a00;--primary-dark: #e05a00;--bg: #f5f5f5;--card-bg: #ffffff;--text: #333333;--text-secondary: #666666;--border: #e0e0e0;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--radius: 8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.app{max-width:1280px;margin:0 auto;padding:24px}.app-header{text-align:center;margin-bottom:32px}.app-header h1{font-size:28px;color:var(--primary);margin-bottom:8px}.app-header .app-desc{color:var(--text-secondary);font-size:14px}.api-mode-notice{margin-top:8px;font-size:13px;color:var(--warning);background:#fffbeb;padding:6px 12px;border-radius:6px;border:1px solid #fde68a;display:inline-block}.fallback-notice{background:#fffbeb;border:1px solid #fde68a;border-radius:var(--radius);padding:10px 14px;font-size:13px;color:#92400e;margin-bottom:16px}.app-main{display:grid;grid-template-columns:380px 1fr;gap:24px;align-items:start}@media(max-width:860px){.app-main{grid-template-columns:1fr}}.left-panel{display:flex;flex-direction:column;gap:16px;position:sticky;top:24px}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;min-height:180px;display:flex;align-items:center;justify-content:center}.upload-zone:hover{border-color:var(--primary);background:#fff8f2}.upload-zone.drag-over{border-color:var(--primary);background:#fff0e0}.upload-zone.has-preview{padding:0;border-style:solid}.preview-img{max-width:100%;max-height:260px;object-fit:contain;border-radius:var(--radius)}.upload-icon{font-size:48px;margin-bottom:8px}.upload-text{font-size:15px;margin-bottom:4px}.upload-hint{font-size:12px;color:var(--text-secondary)}.file-info{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:13px}.file-name{flex:1;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{color:#999}.btn-clear{background:none;border:1px solid var(--border);color:var(--danger);padding:2px 10px;border-radius:4px;cursor:pointer;font-size:12px}.btn-clear:hover{background:#fef2f2}.field-label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}.type-buttons{display:flex;flex-wrap:wrap;gap:6px}.type-btn{padding:6px 14px;border:1px solid var(--border);border-radius:20px;background:var(--card-bg);cursor:pointer;font-size:13px;transition:all .15s}.type-btn:hover{border-color:var(--primary);color:var(--primary)}.type-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.extra-inputs{display:flex;flex-direction:column;gap:12px}.text-input{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none;transition:border-color .15s}.text-input:focus{border-color:var(--primary)}.checkbox-row{display:flex;gap:16px;flex-wrap:wrap}.checkbox-label{display:flex;align-items:center;gap:6px;font-size:14px;cursor:pointer}.btn-generate{width:100%;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;transition:background .15s}.btn-generate:hover:not(:disabled){background:var(--primary-dark)}.btn-generate:disabled{opacity:.6;cursor:not-allowed}.hint-text{font-size:13px;color:var(--text-secondary);text-align:center}.error-text{color:var(--danger);font-size:13px}.loading-state{text-align:center;padding:48px 24px}.loading-spinner{width:40px;height:40px;margin:0 auto 16px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-state p{color:var(--text-secondary);font-size:14px}.analysis-panel{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}.analysis-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.source-tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}.tag-vision{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}.tag-fallback{background:#fffbeb;color:#d97706;border:1px solid #fde68a}.confidence-text{font-size:12px;color:var(--text-secondary)}.analysis-warning{background:#fffbeb;border:1px solid #fde68a;border-radius:6px;padding:8px 12px;font-size:13px;color:#92400e;margin-bottom:12px;line-height:1.5}.analysis-summary{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:10px}.summary-item{display:flex;flex-direction:column;min-width:80px}.summary-label{font-size:12px;color:var(--text-secondary)}.summary-value{font-size:14px;font-weight:500}.summary-value.subject{color:var(--primary)}.summary-value.festival{color:var(--info)}.detected-elements{display:flex;flex-wrap:wrap;gap:4px}.element-tag{display:inline-block;padding:2px 8px;background:#f0f7ff;color:var(--info);border-radius:12px;font-size:12px}.best-title-section{margin-bottom:16px}.section-label{font-size:15px;font-weight:600;margin-bottom:10px}.best-title-box{background:var(--card-bg);border:2px solid var(--primary);border-radius:var(--radius);padding:24px;text-align:center}.best-title-text{font-size:22px;font-weight:700;color:var(--text);margin-bottom:14px;line-height:1.5;word-break:break-all}.best-title-meta{margin-bottom:16px}.char-badge{display:inline-block;padding:4px 14px;border-radius:20px;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}.char-green{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}.char-yellow{background:#fffbeb;color:#d97706;border:1px solid #fde68a}.char-gray{background:#f9fafb;color:#6b7280;border:1px solid #e5e7eb}.btn-copy-main{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;transition:background .15s}.btn-copy-main:hover{background:var(--primary-dark)}.btn-copy-main:active{transform:scale(.98)}.debug-section{margin-top:12px}.btn-debug-toggle{width:100%;padding:8px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);color:var(--text-secondary);font-size:13px;cursor:pointer}.btn-debug-toggle:hover{background:#f9fafb}.debug-results{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:8px;margin-top:8px}.title-result-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:12px;font-size:13px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.card-type{font-weight:600;color:var(--primary)}.card-char-count{font-weight:600}.card-char-count.over-length{color:var(--danger)}.card-title{font-size:15px;font-weight:600;margin-bottom:6px;word-break:break-all}.card-meta{font-size:12px;color:var(--text-secondary)}.empty-state{text-align:center;padding:48px 24px;color:var(--text-secondary)}.empty-icon{font-size:48px;margin-bottom:12px}