/**
 * ProudNoize Brani - CSS principale
 * File: assets/css/proudnoize-brani.css
 * Version: 1.1.0
 */

/* =============================================================================
   VARIABILI E RESET
   ============================================================================= */
:root {
    --pn-primary: #007cba;
    --pn-primary-dark: #005a87;
    --pn-secondary: #6c757d;
    --pn-success: #28a745;
    --pn-danger: #dc3545;
    --pn-warning: #ffc107;
    --pn-info: #17a2b8;
    --pn-light: #f8f9fa;
    --pn-dark: #343a40;
    --pn-border: #e0e0e0;
    --pn-radius: 8px;
    --pn-shadow: 0 2px 8px rgba(0,0,0,0.1);
    --pn-transition: all 0.3s ease;
}

/* =============================================================================
   LAYOUT BASE
   ============================================================================= */
.pn-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.pn-form-container {
    background: #fff;
    border-radius: var(--pn-radius);
    padding: 30px;
    box-shadow: var(--pn-shadow);
}

.pn-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.pn-col-6 {
    flex: 1;
    min-width: 280px;
}

.pn-col-12 {
    flex: 1 1 100%;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .pn-form-container {
        padding: 15px;
    }
    
    .pn-row {
        flex-direction: column;
    }
    
    .pn-col-6 {
        width: 100%;
    }
}

/* =============================================================================
   FORM ELEMENTS
   ============================================================================= */
.pn-form-section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--pn-border);
}

.pn-form-section:last-child {
    border-bottom: none;
    margin-bottom: 20px;
}

.pn-form-section h3 {
    margin: 0 0 20px 0;
    color: var(--pn-dark);
    font-size: 1.4em;
    font-weight: 600;
}

.pn-form-group {
    margin-bottom: 20px;
}

.pn-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.pn-form-group input[type="text"],
.pn-form-group input[type="date"],
.pn-form-group input[type="url"],
.pn-form-group input[type="email"],
.pn-form-group select,
.pn-form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--pn-border);
    border-radius: 4px;
    font-size: 16px;
    transition: var(--pn-transition);
}

.pn-form-group input:focus,
.pn-form-group select:focus,
.pn-form-group textarea:focus {
    outline: none;
    border-color: var(--pn-primary);
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1);
}

.pn-help-text {
    display: block;
    margin-top: 5px;
    font-size: 0.875em;
    color: #6c757d;
}

/* =============================================================================
   AUDIO TIMELINE
   ============================================================================= */
.pn-audio-timeline {
    width: 100%;
    margin: 15px 0;
}

.pn-timeline-track {
    width: 100%;
    height: 60px;
    background: #f0f0f0;
    border-radius: var(--pn-radius);
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.pn-timeline-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--pn-primary), #0096d6);
    border-radius: var(--pn-radius);
    width: 0%;
    transition: width 0.3s ease;
}

.pn-timeline-marker {
    position: absolute;
    top: -5px;
    width: 4px;
    height: 70px;
    background: #ff4444;
    border-radius: 2px;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(255, 68, 68, 0.4);
    transition: transform 0.2s ease;
}

.pn-timeline-marker:hover {
    transform: scaleX(1.5);
}

.pn-timeline-marker:active {
    cursor: grabbing;
}

.pn-timeline-info {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 0.875em;
    color: #666;
}

.pn-preview-btn {
    margin-top: 10px;
}

/* =============================================================================
   ARTISTI MANAGER
   ============================================================================= */
.pn-artisti-manager {
    background: #f8f9fa;
    padding: 25px;
    border-radius: var(--pn-radius);
}

.pn-subsection {
    margin-bottom: 25px;
}

.pn-subsection:last-child {
    margin-bottom: 0;
}

.pn-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.pn-section-header h4 {
    margin: 0;
    font-size: 1.1em;
    color: #333;
}

.pn-artista-item {
    margin-bottom: 10px;
    animation: fadeIn 0.3s ease;
}

.pn-artista-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pn-artista-autocomplete {
    flex: 1;
}

.pn-btn-icon {
    background: none;
    border: 1px solid var(--pn-border);
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    transition: var(--pn-transition);
    color: #666;
}

.pn-btn-icon:hover {
    background: var(--pn-light);
    border-color: var(--pn-primary);
    color: var(--pn-primary);
}

.pn-edit-artist-links {
    color: var(--pn-primary);
}

.pn-remove-artista {
    color: var(--pn-danger);
}

/* Autocomplete styles */
.ui-autocomplete {
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    background: white;
    border: 1px solid var(--pn-border);
    border-radius: 4px;
    box-shadow: var(--pn-shadow);
}

.ui-menu-item {
    padding: 10px 15px;
    cursor: pointer;
}

.ui-menu-item:hover,
.ui-state-focus {
    background: var(--pn-light);
}

.pn-ac-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pn-ac-icon {
    width: 16px;
    height: 16px;
    margin-left: 8px;
}

/* =============================================================================
   UPLOAD ZONES
   ============================================================================= */
.pn-upload-zone {
    position: relative;
    border: 2px dashed var(--pn-border);
    border-radius: var(--pn-radius);
    padding: 40px;
    text-align: center;
    transition: var(--pn-transition);
    cursor: pointer;
}

.pn-upload-zone:hover,
.pn-upload-zone.pn-drag-over {
    border-color: var(--pn-primary);
    background: rgba(0, 124, 186, 0.05);
}

.pn-upload-placeholder .dashicons {
    font-size: 48px;
    color: #999;
    display: block;
    margin: 0 auto 15px;
}

.pn-upload-placeholder p {
    margin: 5px 0;
    color: #666;
}

.pn-upload-placeholder .pn-muted {
    font-size: 0.875em;
    color: #999;
}

.pn-upload-preview {
    position: relative;
}

.pn-upload-preview img {
    max-width: 200px;
    max-height: 200px;
    border-radius: var(--pn-radius);
    box-shadow: var(--pn-shadow);
}

.pn-remove-upload {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--pn-danger);
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pn-file-input {
    display: none;
}

/* =============================================================================
   VERSIONI
   ============================================================================= */
.pn-versione-item {
    background: white;
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius);
    padding: 20px;
    margin-bottom: 20px;
}

.pn-versione-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--pn-border);
}

.pn-versione-header h4 {
    margin: 0;
    color: #333;
}

.pn-crediti-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--pn-border);
}

.pn-crediti-section h5 {
    margin: 0 0 15px 0;
    color: #666;
    font-size: 1em;
}

/* =============================================================================
   BUTTONS
   ============================================================================= */
.pn-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--pn-transition);
    text-decoration: none;
}

.pn-btn-primary {
    background: var(--pn-primary);
    color: white;
}

.pn-btn-primary:hover {
    background: var(--pn-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 124, 186, 0.3);
}

.pn-btn-secondary {
    background: var(--pn-secondary);
    color: white;
}

.pn-btn-secondary:hover {
    background: #5a6268;
}

.pn-btn-small {
    padding: 6px 12px;
    font-size: 14px;
}

.pn-btn-large {
    padding: 15px 30px;
    font-size: 18px;
}

.pn-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.pn-form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--pn-border);
}

/* =============================================================================
   LISTA BRANI
   ============================================================================= */
.pn-brani-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.pn-header-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.pn-header-section h2 {
    margin: 0;
    color: var(--pn-dark);
}

.pn-brani-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.pn-brano-card {
    background: white;
    border-radius: var(--pn-radius);
    overflow: hidden;
    box-shadow: var(--pn-shadow);
    transition: var(--pn-transition);
}

.pn-brano-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.pn-brano-cover {
    position: relative;
    padding-bottom: 100%; /* Square aspect ratio */
    overflow: hidden;
}

.pn-brano-cover img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pn-cover-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--pn-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pn-cover-placeholder .dashicons {
    font-size: 64px;
    color: #ccc;
}

.pn-status-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.pn-status-published {
    background: var(--pn-success);
    color: white;
}

.pn-status-pending {
    background: var(--pn-warning);
    color: #333;
}

.pn-status-draft {
    background: var(--pn-secondary);
    color: white;
}

.pn-status-rejected {
    background: var(--pn-danger);
    color: white;
}

.pn-brano-info {
    padding: 20px;
}

.pn-brano-info h3 {
    margin: 0 0 10px 0;
    font-size: 1.1em;
    color: var(--pn-dark);
}

.pn-artisti {
    margin: 0 0 10px 0;
    color: #666;
    font-size: 0.95em;
}

.pn-meta {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.875em;
    color: #999;
}

.pn-brano-actions {
    padding: 0 20px 20px;
    display: flex;
    gap: 10px;
}

/* =============================================================================
   LISTA ARTISTI
   ============================================================================= */
.pn-artisti-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.pn-artisti-lista {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.pn-artista-card {
    background: white;
    padding: 20px;
    border-radius: var(--pn-radius);
    border: 1px solid var(--pn-border);
    cursor: pointer;
    transition: var(--pn-transition);
}

.pn-artista-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--pn-shadow);
    border-color: var(--pn-primary);
}

.pn-artista-info h3 {
    margin: 0 0 10px 0;
    color: var(--pn-dark);
}

.pn-artista-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #666;
    font-size: 0.9em;
}

.pn-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.pn-service-icon {
    width: 20px;
    height: 20px;
}

.pn-service-icon-inline {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-right: 5px;
}

.pn-artista-actions {
    margin-top: 15px;
}

/* =============================================================================
   MODALS
   ============================================================================= */
.pn-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.pn-modal-content {
    background: white;
    padding: 30px;
    border-radius: var(--pn-radius);
    box-shadow: 0 10px 50px rgba(0,0,0,0.3);
    max-width: 500px;
    width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.pn-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 28px;
    cursor: pointer;
    color: #999;
    line-height: 1;
}

.pn-modal-close:hover {
    color: #333;
}

.pn-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
}

.pn-modal h3 {
    margin: 0 0 20px 0;
    color: var(--pn-dark);
}

/* =============================================================================
   NOTIFICATIONS
   ============================================================================= */
.pn-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    padding: 15px 40px 15px 20px;
    border-radius: var(--pn-radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 100000;
    display: none;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.pn-notification-success {
    background: var(--pn-success);
    color: white;
}

.pn-notification-error {
    background: var(--pn-danger);
    color: white;
}

.pn-notification-info {
    background: var(--pn-info);
    color: white;
}

.pn-notification-close {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.8;
}

.pn-notification-close:hover {
    opacity: 1;
}

/* =============================================================================
   EMPTY STATES
   ============================================================================= */
.pn-empty-state {
    text-align: center;
    padding: 60px 20px;
}

.pn-empty-state .dashicons {
    font-size: 64px;
    color: #ddd;
    display: block;
    margin: 0 auto 20px;
}

.pn-empty-state h3 {
    margin: 0 0 10px 0;
    color: #666;
}

.pn-empty-state p {
    color: #999;
    margin: 0 0 20px 0;
}

/* =============================================================================
   UTILITIES
   ============================================================================= */
.pn-notice {
    padding: 15px 20px;
    border-radius: var(--pn-radius);
    margin: 20px 0;
}

.pn-notice.pn-error {
    background: #fee;
    color: var(--pn-danger);
    border: 1px solid #fcc;
}

.pn-notice.pn-success {
    background: #efe;
    color: var(--pn-success);
    border: 1px solid #cfc;
}

.pn-breadcrumb {
    margin-bottom: 20px;
}

.pn-breadcrumb a {
    color: var(--pn-primary);
    text-decoration: none;
}

.pn-breadcrumb a:hover {
    text-decoration: underline;
}

.pn-muted {
    color: #999;
}

.pn-info-box {
    background: var(--pn-light);
    padding: 20px;
    border-radius: var(--pn-radius);
    margin-bottom: 20px;
}

.pn-info-box h4 {
    margin: 0 0 15px 0;
    color: #333;
}

.pn-brani-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pn-brani-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--pn-border);
}

.pn-brani-list li:last-child {
    border-bottom: none;
}

.pn-ruolo {
    font-size: 0.875em;
    color: #666;
}

/* Loading states */
.pn-loading {
    opacity: 0.6;
    pointer-events: none;
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Auto-save indicator */
.pn-autosave-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--pn-info);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    box-shadow: var(--pn-shadow);
}

/* Radio groups */
.pn-radio-group {
    display: flex;
    gap: 20px;
}

.pn-radio-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: normal;
    cursor: pointer;
}

/* Edit form specific */
.pn-edit-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
}

@media (max-width: 768px) {
    .pn-edit-grid {
        grid-template-columns: 1fr;
    }
}

.pn-edit-main {
    background: white;
}

.pn-edit-sidebar {
    height: fit-content;
}

.pn-help-box {
    background: #e3f2fd;
    border: 1px solid #90caf9;
}

.pn-help-box ul {
    margin: 0;
    padding-left: 20px;
}

.pn-help-box li {
    margin-bottom: 8px;
}