:root{color-scheme:light;--blue-50: #eff6ff;--blue-100: #dbeafe;--blue-400: #60a5fa;--blue-500: #3b82f6;--blue-600: #2563eb;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-300: #d1d5db;--gray-500: #6b7280;--gray-700: #374151;--gray-800: #1f2937;--shadow: 0 10px 30px rgba(15, 23, 42, .08)}*{box-sizing:border-box}body{margin:0;font-family:Sansation,Segoe UI,sans-serif;color:var(--gray-800);background:linear-gradient(180deg,var(--blue-50),#fff 35%)}button,input,select{font-family:inherit}.page{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1120px;margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffbf;border-bottom:1px solid rgba(226,232,240,.6)}.header-inner{display:flex;justify-content:space-between;align-items:center;padding:16px 0}.brand-button{border:none;background:none;font-size:24px;font-weight:700;color:var(--gray-800);cursor:pointer}.lang-button{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;border:1px solid var(--gray-300);background:#ffffffb3;box-shadow:var(--shadow);cursor:pointer;font-weight:700}.language-select{position:relative;display:inline-flex;align-items:center;transform:translate(-60px)}.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:140px;background:#fff;border:1px solid var(--gray-300);border-radius:12px;box-shadow:var(--shadow);padding:6px;z-index:20}.lang-option{width:100%;border:none;background:none;text-align:left;padding:8px 10px;border-radius:8px;font-weight:600;color:var(--gray-700);cursor:pointer}.lang-option:hover{background:var(--gray-50)}.hero{padding:56px 0 24px}.hero-inner{text-align:center}.hero-title{font-size:clamp(28px,4vw,40px);font-weight:700;margin-bottom:12px}.accent{background:linear-gradient(120deg,var(--blue-400),var(--blue-600));-webkit-background-clip:text;color:transparent}.sep{color:var(--gray-800);margin:0 6px}.hero-subtitle{font-size:14px;color:var(--gray-500);margin-bottom:28px;font-weight:600}.dropzone{position:relative;max-width:620px;margin:0 auto;border:2px dashed var(--blue-400);border-radius:18px;padding:40px 24px;background:#fff9;cursor:pointer;transition:.2s ease}.dropzone.dragover{border-color:var(--blue-600);background:var(--blue-50)}.dropzone-content{display:flex;flex-direction:column;align-items:center;gap:8px}.dropzone-icon{font-size:36px;color:var(--blue-500)}.dropzone-title{font-size:18px;font-weight:700;color:var(--gray-700);margin:0}.dropzone-subtitle{font-size:14px;color:var(--gray-500);margin:0}.file-input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.supported-formats{margin:24px auto 0;font-size:14px;color:var(--gray-500);max-width:720px}.workspace{margin:0 auto;max-width:820px}.workspace-card{background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:24px;text-align:left}.workspace-header{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.workspace-mode{padding:10px 18px;border-radius:12px;background:var(--gray-100);font-weight:700;color:var(--gray-600);display:inline-flex;align-items:center}.selection-meta{font-size:14px;color:var(--gray-500)}.file-list{margin-top:16px;display:grid;gap:10px}.file-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:12px;background:var(--gray-50)}.file-item span{font-size:14px}.file-remove{border:none;background:none;color:var(--blue-600);font-weight:700;cursor:pointer}.panel{margin-top:20px;border:1px solid var(--gray-100);border-radius:14px;padding:16px;background:#fff}.password-panel{border-color:var(--blue-100);background:#dbeafe59}.panel-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.panel-title{font-weight:700;margin-bottom:4px}.panel-hint{font-size:13px;color:var(--gray-500)}.panel-warning{margin-top:12px;color:#b91c1c;font-size:13px}.panel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:16px}.panel-field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--gray-500)}.panel-field input,.panel-field select{padding:10px 12px;border-radius:10px;border:1px solid var(--gray-300);font-size:14px}.primary-button{border:none;padding:10px 18px;border-radius:10px;background:var(--blue-600);color:#fff;font-weight:700;cursor:pointer}.primary-button:disabled{opacity:.6;cursor:not-allowed}.actions-row{margin-top:16px;display:flex;gap:12px;flex-wrap:wrap}.ghost-button{border:1px solid var(--gray-300);background:#fff;padding:8px 14px;border-radius:10px;font-weight:600;color:var(--gray-700);cursor:pointer}.ghost-button:disabled{opacity:.6;cursor:not-allowed}.status{margin-top:16px;display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--blue-50);color:var(--blue-600);font-weight:600}.status.no-spinner .status-spinner{display:none}.status-spinner{width:18px;height:18px;border-radius:50%;border:2px solid rgba(37,99,235,.2);border-top-color:var(--blue-600);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.results{margin-top:20px;border-top:1px solid var(--gray-100);padding-top:16px}.results-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.results-title{font-weight:700}.results-actions{display:flex;gap:10px;flex-wrap:wrap}.results-list{margin-top:12px;display:grid;gap:10px}.result-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:10px;background:var(--gray-50)}.result-item button{border:none;background:none;color:var(--blue-600);font-weight:700;cursor:pointer}.benefits{padding:48px 0 64px}.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.benefit-card{padding:18px;border-radius:16px;background:#fff;box-shadow:var(--shadow)}.benefit-title{font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:10px}.benefit-icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center}.benefit-icon svg{width:18px;height:18px;stroke:currentColor}.benefit-card:nth-child(1) .benefit-icon{color:#16a34a}.benefit-card:nth-child(2) .benefit-icon{color:#eab308}.benefit-card:nth-child(3) .benefit-icon{color:#2563eb}.benefit-text{font-size:14px;color:var(--gray-500)}.site-footer{border-top:1px solid var(--gray-100);padding:40px 0 56px}.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}.footer-main{flex:1 1 320px}.footer-copy{font-size:14px;color:var(--gray-500);margin-bottom:16px}.footer-section h3,.footer-links h3{margin:0 0 12px}.footer-section p{font-size:14px;color:var(--gray-500);line-height:1.6}.footer-links{display:flex;gap:32px;flex:1 1 220px}.footer-links button{display:block;background:none;border:none;color:var(--blue-600);font-weight:600;margin-bottom:8px;cursor:pointer;text-align:left}@media (max-width: 720px){.hero{padding-top:32px}.workspace-card{padding:18px}}