.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}.paste-hint{margin-top:.75rem;font-size:.75rem!important;color:var(--color-text-muted);opacity:.7}.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}.video-info{display:flex;align-items:center;gap:1rem;padding:14px;background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-lg);margin-bottom:1rem}.video-info-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--color-primary-light);border-radius:var(--radius-md);flex-shrink:0;color:var(--color-primary)}.video-info-text{flex:1;min-width:0}.video-info-name{font-weight:600;font-size:.875rem;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-info-meta{font-size:.75rem;color:var(--color-text-muted);margin-top:2px}.video-preview-container{border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden;background:#000;margin-bottom:1rem}.video-element{width:100%;display:block;max-height:400px;object-fit:contain}.warning-banner{display:flex;align-items:center;gap:.5rem;padding:10px 14px;background:#fffbeb;border:1px solid #fde68a;border-radius:var(--radius-md);font-size:.8125rem;color:#92400e;margin-bottom:1rem;line-height:1.4}.settings-section{margin-bottom:1.25rem;padding-bottom:1.25rem;border-bottom:1px solid var(--color-border)}.settings-section:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}.settings-heading{font-size:.9375rem;font-weight:700;color:var(--color-text-primary);margin-bottom:.75rem}.settings-hint{font-size:.75rem;color:var(--color-text-muted);margin-bottom:.5rem}.trim-inputs{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.trim-field{display:flex;flex-direction:column;gap:.25rem}.trim-field label{font-size:.75rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em}.trim-input{width:120px;padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.875rem;background:var(--color-surface-card);color:var(--color-text-primary);transition:var(--transition-fast)}.trim-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-glow)}.trim-duration{font-size:.8125rem;color:var(--color-text-muted);margin-top:.5rem}.width-presets{display:flex;gap:.5rem;flex-wrap:wrap}.custom-width-input{width:160px;padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.875rem;background:var(--color-surface-card);color:var(--color-text-primary);transition:var(--transition-fast)}.custom-width-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-glow)}.format-btn{padding:6px 16px;border-radius:var(--radius-full);border:1.5px solid var(--color-border);background:var(--color-surface-card);font-size:.8125rem;font-weight:500;color:var(--color-text-secondary);cursor:pointer;transition:var(--transition-fast);font-family:var(--font-sans)}.format-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.format-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.format-btn:disabled{opacity:.5;cursor:not-allowed}.fps-select{width:100%;max-width:280px;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.875rem;background:var(--color-surface-card);color:var(--color-text-primary);transition:var(--transition-fast)}.fps-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-glow)}.quality-toggle{display:flex;gap:.5rem;flex-wrap:wrap}.toggle-row{margin-bottom:.5rem}.toggle-label{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:500;color:var(--color-text-secondary);cursor:pointer}.toggle-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--color-primary);cursor:pointer}.tool-actions{display:none;justify-content:center;margin-top:1.5rem}.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-actions{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;margin-top:.75rem}@media(max-width:640px){.success-actions{flex-direction:column;align-items:center}}.gif-preview-container{max-width:100%;margin:.75rem 0;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;background:#f9f9f9}.gif-preview-img{max-width:100%;max-height:360px;display:block;margin:0 auto}.gif-result-info{width:100%;max-width:360px;margin:.75rem 0;padding:.75rem 0;border-top:1px solid var(--color-success-border)}.result-row{display:flex;justify-content:space-between;align-items:center;padding:4px 0;font-size:.8125rem}.result-label{font-weight:600;color:var(--color-text-secondary)}.result-value{color:var(--color-text-primary);font-weight:500}.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)}.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}