.tool-main{margin-top:-1px}.tool-main .container-page{padding-top:1.5rem;padding-bottom:5rem}.tool-card{background:var(--color-surface-card);border:1px solid var(--color-border);border-radius:var(--radius-2xl);padding:1.75rem 1.5rem;box-shadow:var(--shadow-sm);margin-bottom:2rem}@media(max-width:640px){.tool-card{padding:1.5rem 1rem}}.upload-zone h3{font-size:1.25rem;font-weight:700;margin-bottom:.25rem;color:var(--color-text-primary)}.upload-zone p{font-size:.9375rem;color:var(--color-text-muted)}.browse-link{color:var(--color-primary);font-weight:600;text-decoration:underline;text-underline-offset:2px}.error-message{display:none;padding:14px 18px;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;background:var(--color-error-light);color:var(--color-error);border:1px solid var(--color-error-border);margin-bottom:1.25rem;animation:fadeSlideIn .2s ease}.error-message.visible{display:block}.file-info-area{margin-bottom:1.5rem;padding:16px 18px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl)}.info-row{display:flex;align-items:center;gap:1rem}.info-icon{font-size:1.75rem;flex-shrink:0}.info-text{flex:1;min-width:0}.info-name{font-size:.9375rem;font-weight:600;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.info-meta{font-size:.8125rem;color:var(--color-text-muted);margin-top:2px}.settings-panel{margin-bottom:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;user-select:none}.settings-header h4{font-size:.9375rem;font-weight:700;margin:0}.settings-summary{font-size:.75rem;color:var(--color-text-muted);margin-top:2px}.settings-content{padding:0 20px 20px}.mode-tabs{display:flex;gap:.5rem;margin-bottom:1.25rem;flex-wrap:wrap}.mode-tab{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;font-size:.875rem;font-weight:600;font-family:inherit;border:1.5px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface-card);color:var(--color-text-secondary);cursor:pointer;transition:var(--transition-fast);white-space:nowrap}.mode-tab:hover{border-color:var(--color-primary-light);color:var(--color-text-primary)}.mode-tab.selected{border-color:var(--color-primary);background:var(--color-primary-light);color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-glow)}@media(max-width:640px){.mode-tab{flex:1;justify-content:center;font-size:.8125rem;padding:8px 10px}}.mode-section{animation:fadeSlideIn .2s ease}.mode-info-text{font-size:.875rem;color:var(--color-text-secondary);line-height:1.6;padding:4px 0}.mode-label{display:block;font-size:.8125rem;font-weight:700;color:var(--color-text-primary);margin-bottom:6px}.mode-input{width:100%;max-width:420px;padding:10px 14px;font-size:.9375rem;font-family:inherit;border:1.5px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface-card);color:var(--color-text-primary);transition:var(--transition-fast);outline:none;box-sizing:border-box}.mode-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-glow)}.mode-input::placeholder{color:var(--color-text-muted)}.mode-input-narrow{max-width:140px}.mode-hint{font-size:.75rem;color:var(--color-text-muted);margin-top:6px}.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:.625rem;margin-top:1.25rem;opacity:0;transition:opacity .3s ease}.thumb-grid.visible{opacity:1}.thumb-item{border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;background:var(--color-surface-card);transition:var(--transition-fast)}.thumb-item:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-sm)}.thumb-img{display:block;width:100%;height:auto;aspect-ratio:auto;background:#f1f5f9}.thumb-footer{display:flex;align-items:center;justify-content:center;gap:6px;padding:6px 8px;border-top:1px solid var(--color-border)}.thumb-page-num{font-size:.6875rem;font-weight:600;color:var(--color-text-secondary)}.tool-actions{display:none;justify-content:center}.progress-area{display:none;flex-direction:column;align-items:center;gap:.75rem;padding:1.5rem;text-align:center;margin-top:1rem}.progress-area.visible{display:flex}.progress-text{font-size:.9375rem;font-weight:600;color:var(--color-text-secondary)}.progress-bar-track{width:100%;max-width:360px;height:6px;background:var(--color-border);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;width:0%;background:var(--color-primary-grad);border-radius:var(--radius-full);transition:width .2s ease}.success-area{display:none;flex-direction:column;align-items:center;gap:.5rem;padding:1.5rem;text-align:center;background:var(--color-success-light);border:1px solid var(--color-success-border);border-radius:var(--radius-xl);margin-top:1rem}.success-area.visible{display:flex}.success-area h3{font-size:1.5rem;font-weight:700}.success-file-info{font-size:.9375rem;color:var(--color-text-secondary);margin-bottom:.75rem}.success-list{width:100%;max-width:480px;display:flex;flex-direction:column;gap:.5rem;margin:.5rem 0}.result-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:10px 14px;background:var(--color-surface-card);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.result-row-info{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-width:0;flex:1}.result-row-label{font-size:.8125rem;font-weight:600;color:var(--color-text-primary)}.result-row-size{font-size:.75rem;color:var(--color-text-muted)}.result-dl-btn{font-size:.75rem!important;padding:6px 12px!important;flex-shrink:0}.success-actions{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;margin-top:.75rem}.tool-info-section{margin-bottom:2rem}.tool-info-content{max-width:780px;margin:0 auto;font-size:.9375rem;line-height:1.75;color:var(--color-text-secondary)}.tool-info-content h2{font-size:1.5rem;font-weight:800;color:var(--color-text-primary);margin-top:2.5rem;margin-bottom:1rem;letter-spacing:-.02em}.tool-info-content h2:first-of-type{margin-top:0}.tool-info-content p{margin-bottom:1rem}.tool-info-content ul{margin:1rem 0;padding-left:1.5rem}.tool-info-content ul li{margin-bottom:.5rem;list-style-type:disc}.tool-info-content strong{color:var(--color-text-primary)}@media(max-width:640px){.success-actions{flex-direction:column;align-items:center}.thumb-grid{grid-template-columns:repeat(2,1fr)}.mode-tabs{flex-wrap:wrap}}.upload-emoji{font-size:3rem;line-height:1;display:block;margin-bottom:.85rem}.upload-action{font-size:.9375rem;color:var(--color-text-secondary);margin-bottom:0}.setup-state{display:block}.setup-state.hidden{display:none!important}.result-state{display:none}.result-state.visible{display:block}