.mode-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}
.mode-card {
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}
.mode-card:hover {
    border-color: var(--accent);
    background: rgba(0,255,157,0.05);
}
.mode-card.selected {
    border-color: var(--accent);
    background: rgba(0,255,157,0.1);
    box-shadow: var(--accent-glow);
}
.mode-card input[type="radio"] {
    display: none;
}
.mode-card .mode-icon {
    font-size: 2rem;
    margin-bottom: 8px;
    display: block;
}
.mode-card .mode-label {
    font-weight: 600;
    font-size: 1.1rem;
}
.mode-card .mode-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}
.upload-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.envelope-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.full-width {
    grid-column: 1 / -1;
}
.col-map-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}
.col-map-row label {
    min-width: 120px;
    color: var(--accent);
    font-size: 0.95rem;
}
.col-map-row select {
    flex: 1;
}
.gen-files {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
}
.gen-files li {
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
}
.gen-files li a {
    color: var(--accent);
    text-decoration: none;
}
.gen-files li a:hover {
    text-decoration: underline;
}
.file-list {
    list-style: none;
    padding: 0;
    margin: 8px 0 0;
}
.file-item {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.file-meta { flex: 1; }
.file-name { font-size: 0.9rem; }
.upload-progress {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}
.upload-progress .progress-container { flex: 1; }
.upload-pct {
    min-width: 36px;
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.file-info.hidden { display: none; }
@media (max-width: 700px) {
    .mode-grid {
        grid-template-columns: 1fr;
    }
    .upload-section {
        grid-template-columns: 1fr;
    }
    .envelope-options {
        grid-template-columns: 1fr;
    }
}