/* ============================================
   PDF Folder Display – Front-end Styles
   Version: 1.0.0
   ============================================ */

/* Container */
.pfd-container {
    display: grid;
    gap: 12px;
    margin: 1.2em 0;
}

/* Column variants */
.pfd-cols-1 { grid-template-columns: 1fr; }
.pfd-cols-2 { grid-template-columns: repeat(2, 1fr); }
.pfd-cols-3 { grid-template-columns: repeat(3, 1fr); }
.pfd-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Individual item */
.pfd-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-left: 4px solid #c0392b;
    border-radius: 4px;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.pfd-item:hover {
    background: #fff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* Link */
.pfd-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #1a1a2e;
    font-weight: 500;
    font-size: 0.95em;
    line-height: 1.4;
    flex: 1 1 auto;
}

.pfd-link:hover {
    color: #c0392b;
}

/* Icon */
.pfd-icon {
    flex-shrink: 0;
    font-size: 1.3em;
}

/* Title */
.pfd-title {
    word-break: break-word;
}

/* Meta (date / size) */
.pfd-meta {
    width: 100%;
    font-size: 0.8em;
    color: #777;
    padding-left: 30px;
}

/* Error / empty messages */
.pfd-error,
.pfd-empty {
    padding: 12px 16px;
    border-radius: 4px;
    font-size: 0.9em;
}

.pfd-error {
    background: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
}

.pfd-empty {
    background: #f0f0f0;
    border: 1px solid #ccc;
    color: #555;
}

/* Responsive: collapse to single column on small screens */
@media (max-width: 600px) {
    .pfd-cols-2,
    .pfd-cols-3,
    .pfd-cols-4 {
        grid-template-columns: 1fr;
    }
}