:root{--primary-color: #3B82F6;--primary-color-hover: #2563EB;--background-color: #F3F4F6;--text-color: #1F2937;--text-secondary-color: #6B7280;--border-color: #D1D5DB;--card-background: #FFFFFF;--error-color: #EF4444;--success-color: #10B981;--disabled-color: #9CA3AF;--font-family: "Inter", sans-serif, system-ui}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.6;display:flex;flex-direction:column;align-items:center;min-height:100vh;padding:0}#app{width:100%;max-width:800px;display:flex;flex-direction:column;gap:2rem;flex-grow:1;padding:2rem 1rem}header{text-align:center}header h1{font-size:2.25rem;font-weight:700;margin-bottom:.5rem}header p{color:var(--text-secondary-color);font-size:1rem}main{display:flex;flex-direction:column;gap:1.5rem;flex-grow:1}#upload-area{background-color:#e9eaf3;border:2px dashed var(--border-color);border-radius:.75rem;padding:2.5rem;text-align:center;cursor:pointer;transition:background-color .2s ease,border-color .2s ease}#upload-area.dragover{background-color:#dbeafe;border-color:var(--primary-color)}#upload-area:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.upload-icon svg{color:var(--primary-color);margin-bottom:1rem}#upload-area p{color:var(--text-secondary-color)}.upload-link{color:var(--primary-color);font-weight:500;text-decoration:underline}#file-list{list-style:none;display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}.file-item{display:flex;align-items:center;padding:.75rem 1rem;background-color:var(--card-background);border-radius:.5rem;border:1px solid var(--border-color);animation:fadeIn .3s ease-out}.file-item.error{border-color:var(--error-color)}.file-info{flex-grow:1;margin-left:.75rem;overflow:hidden}.file-name{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta{font-size:.875rem;color:var(--text-secondary-color)}.file-meta .error-message{color:var(--error-color);font-weight:500}.remove-btn{background:none;border:none;cursor:pointer;color:var(--text-secondary-color);padding:.25rem;border-radius:50%;transition:color .2s,background-color .2s}.remove-btn:hover{color:var(--error-color);background-color:#fee2e2}#controls-area{display:flex;flex-direction:column;align-items:center;gap:1rem}button{font-family:inherit;font-size:1rem;font-weight:500;padding:.75rem 1.5rem;border:none;border-radius:.5rem;cursor:pointer;transition:background-color .2s,opacity .2s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}#start-btn{background-color:var(--primary-color);color:#fff;width:100%;max-width:320px}#start-btn:hover:not(:disabled){background-color:var(--primary-color-hover)}#start-btn:disabled{background-color:var(--disabled-color);cursor:not-allowed}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}#progress-container{width:100%}#progress-text{text-align:center;font-size:.875rem;color:var(--text-secondary-color);margin-bottom:.5rem}.progress-bar-wrapper{width:100%;background-color:#e5e7eb;border-radius:9999px;overflow:hidden}#progress-bar{height:1rem;background-color:var(--primary-color);border-radius:9999px;transition:width .3s ease}#notification{position:fixed;top:1rem;left:50%;transform:translate(-50%) translateY(-200%);padding:1rem 2rem;border-radius:.5rem;background-color:var(--success-color);color:#fff;font-weight:500;box-shadow:0 4px 6px #0000001a;transition:transform .4s ease-in-out;z-index:1000}#notification.show{transform:translate(-50%) translateY(0)}#results-area.hidden,#progress-container.hidden,#global-actions.hidden{display:none}#global-actions{display:flex;justify-content:center;gap:1rem;margin-bottom:1rem}#download-all-btn,#clear-all-btn{background-color:var(--card-background);color:var(--text-color);border:1px solid var(--border-color)}#download-all-btn:hover{background-color:#f9fafb}#clear-all-btn{color:var(--error-color);border-color:var(--error-color)}#clear-all-btn:hover{background-color:#fef2f2}#results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.result-card{background-color:var(--card-background);border:1px solid var(--border-color);border-radius:.75rem;box-shadow:0 1px 3px #0000000d;overflow:hidden;display:flex;flex-direction:column;animation:fadeIn .5s ease-out}.result-card.error{border-color:var(--error-color)}.card-preview{width:100%;aspect-ratio:4 / 3;background-color:#e5e7eb;display:flex;align-items:center;justify-content:center}.card-preview img{width:100%;height:100%;object-fit:contain}.card-body{padding:1rem;display:flex;flex-direction:column;flex-grow:1}.card-title{font-weight:500;margin-bottom:.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-info{font-size:.875rem;color:var(--text-secondary-color);flex-grow:1}.card-info .error-message{color:var(--error-color);font-weight:500}.card-actions{margin-top:1rem;text-align:right}.download-zip-btn{background-color:var(--primary-color);color:#fff;font-size:.875rem;padding:.5rem 1rem}.download-zip-btn:hover{background-color:var(--primary-color-hover)}footer{text-align:center;color:var(--text-secondary-color);font-size:.875rem;padding-top:1rem}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 640px){#app{padding:1rem .5rem}header h1{font-size:1.75rem}#upload-area{padding:1.5rem}#results-grid{grid-template-columns:1fr}}