/**
 * Customizer.css - Main Customizer Application Styles
 * Core styles for the customizer application interface
 * 
 * @version 1.0.0
 * @author Taher
 */

/* Import other CSS modules */
@import url('./themes.css');
@import url('./components.css');

/* =============================================================================
   CUSTOMIZER APPLICATION LAYOUT
   ============================================================================= */

.vs-customizer-app {
    font-family: var(--vs-font-family);
    font-size: var(--vs-font-size-base);
    color: var(--vs-fg-primary);
    background: var(--vs-bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* =============================================================================
   CUSTOMIZER HEADER
   ============================================================================= */

.vs-customizer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--vs-bg-secondary);
    border-bottom: var(--vs-border-width) solid var(--vs-border);
    flex-shrink: 0;
}

.vs-customizer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: var(--vs-fg-primary);
    text-decoration: none;
}

.vs-customizer-logo:hover {
    color: var(--vs-accent);
}

.vs-customizer-logo-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vs-accent);
    color: var(--vs-accent-contrast);
    border-radius: var(--vs-border-radius);
    font-size: 14px;
}

.vs-customizer-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* =============================================================================
   CUSTOMIZER SIDEBAR
   ============================================================================= */

.vs-customizer-sidebar {
    width: 280px;
    background: var(--vs-sidebar-bg);
    border-right: var(--vs-border-width) solid var(--vs-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: var(--vs-transition-normal);
    overflow: hidden;
}

.vs-customizer-sidebar.collapsed {
    width: 60px;
}

.vs-customizer-sidebar-header {
    padding: 16px;
    border-bottom: var(--vs-border-width) solid var(--vs-border);
    background: var(--vs-bg-secondary);
}

.vs-customizer-sidebar-section {
    padding: 8px 0;
}

.vs-customizer-sidebar-section-title {
    padding: 8px 16px;
    font-size: 11px;
    font-weight: 600;
    color: var(--vs-fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    user-select: none;
}

.vs-customizer-nav {
    flex: 1;
    padding: 8px 0;
    overflow-y: auto;
}

.vs-customizer-nav-item {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    color: var(--vs-sidebar-fg);
    text-decoration: none;
    transition: var(--vs-transition-fast);
    cursor: pointer;
    user-select: none;
    gap: 12px;
}

.vs-customizer-nav-item:hover {
    background: var(--vs-sidebar-hover);
    color: var(--vs-fg-primary);
}

.vs-customizer-nav-item.active {
    background: var(--vs-sidebar-selection);
    color: var(--vs-accent-contrast);
}

.vs-customizer-nav-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
}

.vs-customizer-nav-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vs-customizer-sidebar.collapsed .vs-customizer-nav-text {
    display: none;
}

.vs-customizer-sidebar.collapsed .vs-customizer-nav-item {
    justify-content: center;
    padding: 8px;
}

/* =============================================================================
   CUSTOMIZER MAIN CONTENT
   ============================================================================= */

.vs-customizer-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.vs-customizer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--vs-bg-secondary);
    border-bottom: var(--vs-border-width) solid var(--vs-border);
    flex-shrink: 0;
}

.vs-customizer-toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.vs-customizer-toolbar-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--vs-fg-primary);
    margin: 0;
}

.vs-customizer-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.vs-customizer-content {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: var(--vs-bg-primary);
}

/* =============================================================================
   CUSTOMIZER CARDS AND PANELS
   ============================================================================= */

.vs-customizer-card {
    background: var(--vs-bg-secondary);
    border: var(--vs-border-width) solid var(--vs-border);
    border-radius: var(--vs-border-radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--vs-transition-normal);
}

.vs-customizer-card:hover {
    border-color: var(--vs-border-light);
    box-shadow: var(--vs-shadow-small);
}

.vs-customizer-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--vs-bg-tertiary);
    border-bottom: var(--vs-border-width) solid var(--vs-border);
}

.vs-customizer-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--vs-fg-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.vs-customizer-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.vs-customizer-card-body {
    padding: 16px;
}

.vs-customizer-card-footer {
    padding: 12px 16px;
    background: var(--vs-bg-tertiary);
    border-top: var(--vs-border-width) solid var(--vs-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

/* =============================================================================
   CUSTOMIZER FORMS
   ============================================================================= */

.vs-customizer-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.vs-customizer-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.vs-customizer-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.vs-customizer-form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.vs-customizer-form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--vs-fg-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.vs-customizer-form-label-required::after {
    content: '*';
    color: var(--vs-error);
}

.vs-customizer-form-description {
    font-size: 12px;
    color: var(--vs-fg-secondary);
    margin-top: -2px;
}

.vs-customizer-form-help {
    font-size: 12px;
    color: var(--vs-fg-muted);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.vs-customizer-form-error {
    font-size: 12px;
    color: var(--vs-error);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.vs-customizer-form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding-top: 16px;
    border-top: var(--vs-border-width) solid var(--vs-border);
    margin-top: 16px;
}

/* =============================================================================
   CUSTOMIZER SETTINGS PANELS
   ============================================================================= */

.vs-customizer-settings-panel {
    max-width: 800px;
}

.vs-customizer-settings-section {
    margin-bottom: 24px;
}

.vs-customizer-settings-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--vs-fg-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: var(--vs-border-width) solid var(--vs-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.vs-customizer-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.vs-customizer-setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--vs-bg-secondary);
    border: var(--vs-border-width) solid var(--vs-border);
    border-radius: var(--vs-border-radius);
    transition: var(--vs-transition-fast);
}

.vs-customizer-setting-item:hover {
    border-color: var(--vs-border-light);
    background: var(--vs-bg-hover);
}

.vs-customizer-setting-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.vs-customizer-setting-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--vs-fg-primary);
}

.vs-customizer-setting-description {
    font-size: 11px;
    color: var(--vs-fg-secondary);
    line-height: 1.3;
}

.vs-customizer-setting-control {
    flex-shrink: 0;
    margin-left: 12px;
}

/* =============================================================================
   CUSTOMIZER THEME PREVIEW
   ============================================================================= */

.vs-customizer-theme-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

.vs-customizer-theme-card {
    border: var(--vs-border-width) solid var(--vs-border);
    border-radius: var(--vs-border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--vs-transition-fast);
    background: var(--vs-bg-secondary);
}

.vs-customizer-theme-card:hover {
    border-color: var(--vs-accent);
    transform: translateY(-2px);
    box-shadow: var(--vs-shadow-medium);
}

.vs-customizer-theme-card.active {
    border-color: var(--vs-accent);
    box-shadow: 0 0 0 2px var(--vs-accent);
}

.vs-customizer-theme-preview-top {
    height: 40px;
    background: var(--vs-bg-primary);
    position: relative;
}

.vs-customizer-theme-preview-toolbar {
    height: 8px;
    background: var(--vs-bg-secondary);
    border-bottom: var(--vs-border-width) solid var(--vs-border);
}

.vs-customizer-theme-preview-sidebar {
    position: absolute;
    top: 8px;
    left: 0;
    width: 30%;
    height: 32px;
    background: var(--vs-bg-tertiary);
}

.vs-customizer-theme-preview-content {
    height: 32px;
    background: var(--vs-bg-primary);
}

.vs-customizer-theme-card-body {
    padding: 8px;
}

.vs-customizer-theme-name {
    font-size: 11px;
    font-weight: 500;
    color: var(--vs-fg-primary);
    margin: 0;
}

.vs-customizer-theme-colors {
    display: flex;
    gap: 2px;
    margin-top: 4px;
}

.vs-customizer-theme-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    border: var(--vs-border-width) solid var(--vs-border);
}

/* =============================================================================
   CUSTOMIZER COLOR PICKER
   ============================================================================= */

.vs-customizer-color-picker {
    position: relative;
    display: inline-block;
}

.vs-customizer-color-picker-trigger {
    width: 32px;
    height: 32px;
    border: var(--vs-border-width) solid var(--vs-border);
    border-radius: var(--vs-border-radius);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--vs-transition-fast);
}

.vs-customizer-color-picker-trigger:hover {
    border-color: var(--vs-accent);
}

.vs-customizer-color-picker-preview {
    width: 100%;
    height: 100%;
}

.vs-customizer-color-picker-popover {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: var(--vs-z-index-modal, 1050);
    background: var(--vs-bg-primary);
    border: var(--vs-border-width) solid var(--vs-border);
    border-radius: var(--vs-border-radius);
    box-shadow: var(--vs-shadow-large);
    padding: 16px;
    margin-top: 4px;
    display: none;
}

.vs-customizer-color-picker.open .vs-customizer-color-picker-popover {
    display: block;
}

/* =============================================================================
   CUSTOMIZER CODE EDITOR
   ============================================================================= */

.vs-customizer-code-editor {
    border: var(--vs-border-width) solid var(--vs-border);
    border-radius: var(--vs-border-radius);
    overflow: hidden;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    line-height: 1.4;
}

.vs-customizer-code-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--vs-bg-secondary);
    border-bottom: var(--vs-border-width) solid var(--vs-border);
}

.vs-customizer-code-editor-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--vs-fg-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.vs-customizer-code-editor-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.vs-customizer-code-editor-content {
    background: var(--vs-editor-bg);
    color: var(--vs-editor-fg);
    padding: 12px;
    min-height: 200px;
    overflow: auto;
    white-space: pre;
    font-family: inherit;
    border: none;
    outline: none;
    resize: vertical;
}

/* =============================================================================
   CUSTOMIZER DRAG AND DROP
   ============================================================================= */

.vs-customizer-dropzone {
    border: 2px dashed var(--vs-border);
    border-radius: var(--vs-border-radius);
    padding: 40px 20px;
    text-align: center;
    transition: var(--vs-transition-normal);
    cursor: pointer;
}

.vs-customizer-dropzone:hover,
.vs-customizer-dropzone.dragover {
    border-color: var(--vs-accent);
    background: var(--vs-bg-hover);
}

.vs-customizer-dropzone-icon {
    font-size: 48px;
    color: var(--vs-fg-secondary);
    margin-bottom: 16px;
}

.vs-customizer-dropzone-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--vs-fg-primary);
    margin-bottom: 8px;
}

.vs-customizer-dropzone-description {
    font-size: 13px;
    color: var(--vs-fg-secondary);
    margin-bottom: 16px;
}

/* =============================================================================
   CUSTOMIZER PREVIEW MODE
   ============================================================================= */

.vs-customizer-preview-mode {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--vs-z-index-modal, 1050);
    background: var(--vs-bg-primary);
    display: flex;
    flex-direction: column;
}

.vs-customizer-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--vs-bg-secondary);
    border-bottom: var(--vs-border-width) solid var(--vs-border);
    flex-shrink: 0;
}

.vs-customizer-preview-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--vs-fg-primary);
}

.vs-customizer-preview-content {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.vs-customizer-preview-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: var(--vs-bg-primary);
}

/* =============================================================================
   CUSTOMIZER RESPONSIVE DESIGN
   ============================================================================= */

@media (max-width: 768px) {
    .vs-customizer-sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        height: 100vh;
        z-index: var(--vs-z-index-modal, 1050);
        transition: left var(--vs-transition-normal);
    }
    
    .vs-customizer-sidebar.open {
        left: 0;
    }
    
    .vs-customizer-form-row,
    .vs-customizer-form-row-3 {
        grid-template-columns: 1fr;
    }
    
    .vs-customizer-theme-preview {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    
    .vs-customizer-toolbar {
        padding: 8px 12px;
    }
    
    .vs-customizer-content {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .vs-customizer-header {
        padding: 6px 12px;
    }
    
    .vs-customizer-logo {
        font-size: 16px;
        gap: 8px;
    }
    
    .vs-customizer-toolbar {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .vs-customizer-toolbar-left,
    .vs-customizer-toolbar-right {
        flex: 1;
        min-width: 0;
    }
    
    .vs-customizer-theme-preview {
        grid-template-columns: 1fr;
    }
}

/* =============================================================================
   CUSTOMIZER ANIMATIONS
   ============================================================================= */

@keyframes vs-customizer-slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes vs-customizer-slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

@keyframes vs-customizer-fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes vs-customizer-scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.vs-customizer-enter {
    animation: vs-customizer-slideIn var(--vs-transition-normal);
}

.vs-customizer-exit {
    animation: vs-customizer-slideOut var(--vs-transition-normal);
}

.vs-customizer-fade-in {
    animation: vs-customizer-fadeIn var(--vs-transition-normal);
}

.vs-customizer-scale-in {
    animation: vs-customizer-scaleIn var(--vs-transition-normal);
}

/* =============================================================================
   CUSTOMIZER LOADING STATES
   ============================================================================= */

.vs-customizer-loading {
    position: relative;
    overflow: hidden;
}

.vs-customizer-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    animation: vs-customizer-shimmer 1.5s infinite;
}

@keyframes vs-customizer-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.vs-customizer-skeleton {
    background: linear-gradient(
        90deg,
        var(--vs-bg-tertiary) 25%,
        var(--vs-bg-hover) 50%,
        var(--vs-bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: vs-customizer-skeleton-loading 1.5s infinite;
    border-radius: var(--vs-border-radius);
}

@keyframes vs-customizer-skeleton-loading {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* =============================================================================
   CUSTOMIZER ACCESSIBILITY
   ============================================================================= */

.vs-customizer-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.vs-customizer-focus-visible {
    outline: 2px solid var(--vs-accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .vs-customizer-app {
        border: 2px solid;
    }
    
    .vs-customizer-card,
    .vs-customizer-button {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =============================================================================
   CUSTOMIZER PRINT STYLES
   ============================================================================= */

@media print {
    .vs-customizer-sidebar,
    .vs-customizer-header-actions,
    .vs-customizer-toolbar,
    .vs-customizer-card-actions {
        display: none !important;
    }
    
    .vs-customizer-content {
        padding: 0 !important;
        background: white !important;
        color: black !important;
    }
    
    .vs-customizer-card {
        border: 1px solid #ccc !important;
        break-inside: avoid;
        margin-bottom: 1rem;
    }
    
    .vs-customizer-theme-preview {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}