/* Shared resource UI styles (Files, Catalog, Lists)
   Note: Buttons are standardized in pmtnm-global.css. Avoid overriding .btn here. */

.container { max-width: 1200px; margin: 0 auto; padding: var(--spacing-xl); }

.menu { display: flex; gap: 8px; margin: 8px 0 16px 0; }
.menu a { padding: 8px 12px; border: 1px solid #dee2e6; border-radius: 8px; text-decoration: none; color: #183661; background: #fff; }
.menu .active { background: #183661; color: #fff; border-color: #183661; }

.card { background: #fff; border: 1px solid #e9ecef; border-radius: 12px; padding: 20px; box-shadow: 0 2px 12px rgba(0,0,0,.06); }
.file-meta { color: #6c757d; font-size: .9rem; }
.tag { display:inline-block; padding:2px 8px; border:1px solid #dee2e6; border-radius:999px; font-size:.8rem; background:#f8f9fa; margin-right:6px; }

/* Shared toolbar layout */
.toolbar { display:flex; gap:12px; flex-wrap:wrap; align-items:center; margin-bottom:16px; }

/* Files grid - Enhanced for beautiful resource cards */
.files-grid {
    display: grid;
    gap: 20px;
    margin-top: 1.5rem;
}

.files-grid .file-row { 
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    padding: 1.5rem;
}

.files-grid .file-row:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border-color: var(--pmtnm-primary, #183661);
}

.files-grid .file-row .meta { 
    color: #718096;
    font-size: 0.85rem;
    margin: 0.25rem 0;
    font-weight: 500;
}

.files-grid .file-row .meta a {
    color: var(--pmtnm-primary, #183661);
    text-decoration: none;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.8rem;
    background: #f7fafc;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.files-grid .file-row .meta a:hover {
    background: #edf2f7;
    text-decoration: underline;
}

.files-grid .file-row strong {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a202c;
    display: block;
    margin-bottom: 0.5rem;
}

.files-grid .file-row strong a {
    color: #1a202c;
    text-decoration: none;
    transition: color 0.2s ease;
}

.files-grid .file-row strong a:hover {
    color: var(--pmtnm-primary, #183661);
    text-decoration: underline;
}

/* File type icons with gradients */
.files-grid .file-row strong::before {
    font-size: 1.5rem;
    margin-right: 0.5rem;
    display: inline-block;
    vertical-align: middle;
}

/* Enhanced form inputs within file rows */
.files-grid .file-row input.tags,
.files-grid .file-row input.desc,
.files-grid .file-row input.imslp {
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 0.75rem;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    background: #f8fafc;
}

.files-grid .file-row input.tags:focus,
.files-grid .file-row input.desc:focus,
.files-grid .file-row input.imslp:focus {
    border-color: var(--pmtnm-primary, #183661);
    box-shadow: 0 0 0 3px rgba(24,54,97,0.1);
    background: white;
    outline: none;
}

/* File actions styling */
.files-grid .file-actions { 
    display: flex; 
    gap: 0.5rem; 
    align-items: center; 
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

.files-grid .file-actions .btn {
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    padding: 0.5rem 1rem;
}

.files-grid .file-actions .btn:hover {
    transform: translateY(-1px);
}

/* Thumbnail styling */
.files-grid .file-row img {
    border-radius: 12px !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
    margin-right: 1rem !important;
}

/* List chooser chips */
.files-grid .list-chooser {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.files-grid .list-chooser .chip {
    background: linear-gradient(135deg, #e2e8f0, #cbd5e0);
    color: #2d3748;
    border: 2px solid transparent;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.files-grid .list-chooser .chip:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.files-grid .list-chooser .chip.active {
    background: linear-gradient(135deg, var(--pmtnm-primary, #183661), #2c5aa0);
    color: white;
    border-color: var(--pmtnm-primary, #183661);
}

/* Like button styling */
.files-grid .like {
    background: linear-gradient(135deg, #fef5e7, #fed7aa);
    color: #d69e2e;
    border: 2px solid #fbb042;
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
}

.files-grid .like:hover {
    background: linear-gradient(135deg, #fed7aa, #fbd38d);
    transform: translateY(-1px);
}

/* Visibility toggle */
.files-grid .toggle-vis {
    background: #e6fffa;
    color: #319795;
    border: 2px solid #4fd1c7;
    border-radius: 8px;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.files-grid .toggle-vis:hover {
    background: #b2f5ea;
    transform: translateY(-1px);
}

/* IMSLP metadata display */
.files-grid .imslp-meta {
    background: linear-gradient(135deg, #f0fff4, #e6fffa);
    border: 1px solid #9ae6b4;
    border-left: 4px solid #48bb78;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.files-grid .imslp-meta strong {
    color: #22543d;
    font-size: 0.9rem;
}

/* Description styling */
.files-grid .file-row > div > div[style*="color:#666"] {
    background: #f8fafc !important;
    color: #4a5568 !important;
    padding: 0.75rem !important;
    border-radius: 8px !important;
    border: 1px solid #e2e8f0 !important;
    margin-top: 0.75rem !important;
    font-style: italic;
    line-height: 1.5;
}

/* Beautiful section headers for files.php */
.card h2 {
    background: linear-gradient(135deg, var(--pmtnm-primary, #183661) 0%, #2c5aa0 100%);
    color: white;
    margin: -20px -20px 20px -20px;
    padding: 1.5rem 2rem;
    border-radius: 12px 12px 0 0;
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card h2 + p {
    color: #4a5568;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* Enhanced empty state */
.files-grid:empty::after {
    content: "🎵 No resources yet! Upload PDFs or add URLs to get started.";
    display: block;
    text-align: center;
    padding: 4rem 2rem;
    color: #718096;
    font-size: 1.1rem;
    background: #f8fafc;
    border: 2px dashed #cbd5e0;
    border-radius: 16px;
    font-style: italic;
}

/* Large UI mode for better readability */
.large-ui input[type="text"],
.large-ui input[type="search"],
.large-ui select,
.large-ui textarea {
  font-size: 18px;
  line-height: 1.6;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #ced4da;
}
.large-ui .btn,
.large-ui button,
.large-ui input[type="submit"],
.large-ui input[type="button"] {
  font-size: 16px;
  padding: 10px 14px;
  border-radius: 10px;
}
.large-ui label { font-size: 16px; }
.large-ui .tag { font-size: .95rem; padding: 4px 10px; }
.large-ui input[type="checkbox"],
.large-ui input[type="radio"] { width: 20px; height: 20px; }

/* Resources page specific */
.resources-main { display: grid; gap: 24px; }
.resources-header { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    flex-wrap: wrap; 
    gap: 12px; 
    background: linear-gradient(135deg, var(--pmtnm-primary, #183661) 0%, #2c5aa0 100%);
    color: white;
    padding: 2rem;
    border-radius: 16px;
    margin-bottom: 2rem;
}
.resources-header h1 { 
    color: white; 
    margin: 0; 
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.stats-summary { 
    display: flex; 
    gap: 20px; 
    color: rgba(255,255,255,0.9); 
    font-size: 1.1rem;
}
.stat-item {
    background: rgba(255,255,255,0.15);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}
.create-resource-section .create-form { margin-top: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 768px) { .form-row { grid-template-columns: 1fr; } }

/* Resources Grid - Modern Card Layout */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
    margin-top: 2rem;
}

.resource-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    border-color: var(--pmtnm-primary, #183661);
}

.resource-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.5rem 1.5rem 0 1.5rem;
    margin-bottom: 1rem;
}

.resource-type-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.resource-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-end;
    text-align: right;
}

.resource-category {
    background: linear-gradient(135deg, var(--pmtnm-primary, #183661), #2c5aa0);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.resource-visibility {
    font-size: 0.8rem;
    color: #6c757d;
    font-weight: 500;
}

.resource-title {
    margin: 0 0 1rem 0;
    padding: 0 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
}

.resource-title a {
    color: #1a202c;
    text-decoration: none;
    transition: color 0.2s ease;
}

.resource-title a:hover {
    color: var(--pmtnm-primary, #183661);
    text-decoration: underline;
}

.resource-description {
    padding: 0 1.5rem;
    margin: 0 0 1rem 0;
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95rem;
}

.resource-url {
    padding: 0 1.5rem;
    margin-bottom: 1rem;
}

.resource-url small {
    background: #f7fafc;
    color: #4a5568;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.8rem;
    border: 1px solid #e2e8f0;
}

.file-attachment {
    padding: 0 1.5rem;
    margin-bottom: 1rem;
}

.attachment-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #fef5e7;
    color: #d69e2e;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    text-decoration: none;
    border: 1px solid #fbb042;
    transition: all 0.2s ease;
    font-weight: 500;
}

.attachment-link:hover {
    background: #fed7aa;
    transform: translateY(-1px);
}

.resource-tags {
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.resource-tags .tag {
    background: linear-gradient(135deg, #e2e8f0, #cbd5e0);
    color: #2d3748;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.resource-actions {
    padding: 0 1.5rem 1.5rem 1.5rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.resource-actions .btn {
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.resource-actions .btn:hover {
    transform: translateY(-1px);
}

.resource-footer {
    background: #f8fafc;
    padding: 1rem 1.5rem;
    border-top: 1px solid #e2e8f0;
    margin-top: auto;
}

.resource-footer small {
    color: #718096;
    font-weight: 500;
}

/* Quick Actions Section */
.quick-actions-section {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.05);
}

.quick-actions-section .d-flex {
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.quick-actions-section .btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: 2px solid transparent;
    min-width: 160px;
    text-align: center;
}

.quick-actions-section .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.quick-actions-section .btn-primary {
    background: linear-gradient(135deg, var(--pmtnm-primary, #183661) 0%, #2c5aa0 100%);
    border-color: var(--pmtnm-primary, #183661);
}

.quick-actions-section .btn-success {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    border-color: #48bb78;
}

.quick-actions-section .btn-outline-info {
    background: white;
    color: #3182ce;
    border-color: #3182ce;
}

.quick-actions-section .btn-outline-info:hover {
    background: #3182ce;
    color: white;
}

.quick-help {
    background: linear-gradient(135deg, #e6fffa 0%, #f0fff4 100%);
    border: 1px solid #9ae6b4;
    border-left: 4px solid #48bb78;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #718096;
}

.empty-state h3 {
    color: #2d3748;
    margin-bottom: 1rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .resources-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .resources-header {
        padding: 1.5rem;
        text-align: center;
    }
    
    .resources-header h1 {
        font-size: 2rem;
    }
    
    .stats-summary {
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .quick-actions-section {
        padding: 1.5rem;
    }
    
    .quick-actions-section .d-flex {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .quick-actions-section .btn {
        min-width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .resource-header {
        padding: 1rem 1rem 0 1rem;
    }
    
    .resource-type-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.5rem;
    }
    
    .resource-title {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
    
    .resource-description,
    .resource-url,
    .file-attachment,
    .resource-tags {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .resource-actions {
        padding: 0 1rem 1rem 1rem;
    }
    
    .resource-footer {
        padding: 1rem;
    }
}

/* Elegant textareas and inputs alignment */
.form-label { display: block; font-weight: 600; margin-bottom: 6px; color: #183661; }
.form-control { width: 100%; border: 2px solid #e9ecef; border-radius: 10px; padding: 12px 14px; line-height: 1.5; transition: box-shadow .15s ease, border-color .15s ease; }
.form-control:focus { border-color: var(--pmtnm-primary, #183661); box-shadow: 0 0 0 3px rgba(24,54,97,.1); outline: none; }
textarea.form-control { min-height: 120px; resize: vertical; }

/* URL metadata preview */
.url-metadata-preview { background: #f8f9fa; border: 1px solid #e9ecef; border-radius: 8px; padding: 16px; margin-top: 12px; display: none; }
.url-metadata-preview.loading { display: block; text-align: center; color: #6c757d; }
.url-metadata-preview.loaded { display: block; }
.metadata-title { margin: 0; color: #183661; font-weight: 600; }
.metadata-actions { display: flex; gap: 8px; }
.btn-metadata { padding: 6px 10px; font-size: 12px; border: 1px solid #dee2e6; background: white; border-radius: 6px; cursor: pointer; }
.btn-metadata:hover { background: #f8f9fa; }