.helper-container{max-width:1000px;margin:0 auto}.helper-card{background:var(--card-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--card-border);border-radius:24px;padding:2rem;box-shadow:var(--shadow);margin-bottom:2rem}.helper-title{font-size:1.5rem;font-weight:800;margin-bottom:1rem;color:var(--text-primary)}.helper-desc{color:var(--text-secondary);margin-bottom:2rem}.input-area{width:100%;min-height:200px;padding:1.25rem;border-radius:16px;border:1px solid var(--card-border);background:#fff;font-family:Fira Code,Courier New,monospace;font-size:.9rem;outline:none;resize:vertical;transition:border-color .2s}.input-area:focus{border-color:var(--primary)}.action-bar{display:flex;gap:1rem;margin:1.5rem 0;flex-wrap:wrap}.output-area{background:#f8fafc;border-radius:16px;border:1px solid var(--card-border);padding:1.5rem;position:relative;overflow:hidden}.output-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:.85rem;color:var(--text-secondary)}.output-pre{margin:0;font-family:Fira Code,Courier New,monospace;font-size:.9rem;white-space:pre-wrap;word-break:break-all;max-height:500px;overflow-y:auto}.copy-btn{background:#fff;border:1px solid var(--card-border);padding:.5rem 1rem;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all .2s}.copy-btn:hover{background:#f1f5f9;border-color:var(--primary);color:var(--primary)}.color-preview{width:100%;height:120px;border-radius:16px;margin-bottom:2rem;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.5rem;text-shadow:0 2px 4px rgba(0,0,0,.1)}.color-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:1.5rem;gap:1.5rem}.color-group{display:flex;flex-direction:column;gap:.5rem}.file-dropzone{border:2px dashed var(--card-border);border-radius:16px;padding:3rem;text-align:center;cursor:pointer;transition:all .2s;background:hsla(0,0%,100%,.4)}.file-dropzone:hover{border-color:var(--primary);background:rgba(37,99,235,.05)}