/**
 * Pixel Clusters - Admin Styles
 * Version: 2.0.0
 * Modern, responsive admin interface
 */

/* CSS Variables for theming */
:root {
    --pc-primary: #2271b1;
    --pc-primary-hover: #135e96;
    --pc-secondary: #1d2327;
    --pc-accent: #00a32a;
    --pc-warning: #dba617;
    --pc-danger: #d63638;
    --pc-success: #00a32a;
    --pc-bg-light: #f0f0f1;
    --pc-bg-white: #ffffff;
    --pc-border: #c3c4c7;
    --pc-border-light: #e0e0e0;
    --pc-text: #1d2327;
    --pc-text-secondary: #50575e;
    --pc-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --pc-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
    --pc-radius: 8px;
    --pc-radius-sm: 4px;
    --pc-transition: all 0.3s ease;
}

/* Main Container */
.pixel-clusters-wrap {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

/* Header */
.pc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--pc-primary) 0%, var(--pc-primary-hover) 100%);
    color: #fff;
    padding: 24px 32px;
    border-radius: var(--pc-radius);
    margin-bottom: 24px;
    box-shadow: var(--pc-shadow-lg);
}

.pc-header-content h1 {
    margin: 0 0 8px 0;
    font-size: 28px;
    font-weight: 600;
    color: #fff;
}

.pc-header-content p {
    margin: 0;
    opacity: 0.9;
    font-size: 14px;
}

.pc-header-icon {
    font-size: 48px;
    opacity: 0.8;
}

.pc-version {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-left: 12px;
    vertical-align: middle;
}

/* Header Actions */
.pc-header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Donate Box */
.pc-donate-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.pc-donate-label {
    font-size: 11px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pc-donate-form {
    margin: 0;
    padding: 0;
}

.pc-donate-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #ffc439 0%, #ffb700 100%);
    color: #003087;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pc-transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.pc-donate-btn:hover {
    background: linear-gradient(135deg, #ffb700 0%, #ffa500 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.pc-donate-btn:active {
    transform: translateY(0);
}

.pc-donate-btn .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    color: #d63638;
}

/* Card Layout */
.pc-card {
    background: var(--pc-bg-white);
    border-radius: var(--pc-radius);
    box-shadow: var(--pc-shadow);
    margin-bottom: 24px;
    overflow: hidden;
    border: 1px solid var(--pc-border-light);
}

.pc-card-header {
    background: var(--pc-bg-light);
    padding: 16px 24px;
    border-bottom: 1px solid var(--pc-border-light);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pc-card-header h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--pc-secondary);
}

.pc-card-header .dashicons {
    color: var(--pc-primary);
    font-size: 20px;
    width: 20px;
    height: 20px;
}

.pc-card-body {
    padding: 24px;
}

/* Generated Code Display */
.pc-code-display {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.pc-code-output {
    flex: 1;
    min-width: 300px;
    background: linear-gradient(135deg, #1d2327 0%, #2c3338 100%);
    color: #72aee6;
    padding: 16px 20px;
    border-radius: var(--pc-radius-sm);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 14px;
    word-break: break-all;
    position: relative;
    overflow: hidden;
}

.pc-code-output::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--pc-primary);
}

.pc-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--pc-radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--pc-transition);
    text-decoration: none;
}

.pc-btn-primary {
    background: var(--pc-primary);
    color: #fff;
}

.pc-btn-primary:hover {
    background: var(--pc-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--pc-shadow);
}

.pc-btn-success {
    background: var(--pc-success);
    color: #fff;
}

.pc-btn-success:hover {
    background: #008a20;
    transform: translateY(-1px);
}

.pc-btn-secondary {
    background: var(--pc-bg-light);
    color: var(--pc-text);
    border: 1px solid var(--pc-border);
}

.pc-btn-secondary:hover {
    background: #e0e0e0;
}

/* Success Message */
.pc-success-message {
    display: none;
    align-items: center;
    gap: 6px;
    color: var(--pc-success);
    font-weight: 500;
    font-size: 13px;
    animation: fadeIn 0.3s ease;
}

.pc-success-message.show {
    display: inline-flex;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Form Grid */
.pc-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.pc-form-group {
    position: relative;
}

.pc-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--pc-text);
    font-size: 13px;
}

.pc-form-group label .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    vertical-align: text-bottom;
    margin-right: 4px;
    color: var(--pc-primary);
}

/* Form Controls */
.pc-select,
.pc-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--pc-border);
    border-radius: var(--pc-radius-sm);
    font-size: 14px;
    color: var(--pc-text);
    background: var(--pc-bg-white);
    transition: var(--pc-transition);
    appearance: none;
}

.pc-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2350575e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.pc-select:focus,
.pc-input:focus {
    outline: none;
    border-color: var(--pc-primary);
    box-shadow: 0 0 0 3px rgba(34, 113, 177, 0.15);
}

.pc-select:hover,
.pc-input:hover {
    border-color: var(--pc-primary);
}

.pc-input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.pc-input[type="number"]::-webkit-outer-spin-button,
.pc-input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Dynamic Fields */
.pc-dynamic-field {
    display: none;
    animation: slideDown 0.3s ease;
}

.pc-dynamic-field.active {
    display: block;
}

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

/* Help Section */
.pc-help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.pc-help-item {
    background: var(--pc-bg-light);
    padding: 16px;
    border-radius: var(--pc-radius-sm);
    border-left: 3px solid var(--pc-primary);
}

.pc-help-item h4 {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: var(--pc-primary);
}

.pc-help-item p {
    margin: 0;
    font-size: 13px;
    color: var(--pc-text-secondary);
}

.pc-help-item ul {
    margin: 8px 0 0 0;
    padding-left: 20px;
    font-size: 13px;
    color: var(--pc-text-secondary);
}

.pc-help-item ul li {
    margin-bottom: 4px;
}

/* Example Box */
.pc-example-box {
    background: #fef8e7;
    border: 1px solid #f0c33c;
    border-radius: var(--pc-radius-sm);
    padding: 16px;
    margin-top: 20px;
}

.pc-example-box h4 {
    margin: 0 0 8px 0;
    color: var(--pc-warning);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pc-example-box code {
    background: rgba(0, 0, 0, 0.05);
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 13px;
}

/* Loading State */
.pc-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.pc-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 3px solid var(--pc-border);
    border-top-color: var(--pc-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Preview Section */
.pc-preview-section {
    margin-top: 24px;
}

.pc-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.pc-preview-header h3 {
    margin: 0;
    font-size: 15px;
    color: var(--pc-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pc-preview-container {
    background: var(--pc-bg-light);
    border: 2px dashed var(--pc-border);
    border-radius: var(--pc-radius-sm);
    padding: 24px;
    min-height: 150px;
    transition: var(--pc-transition);
}

.pc-preview-container.loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pc-preview-placeholder {
    text-align: center;
    color: var(--pc-text-secondary);
    padding: 40px 20px;
}

.pc-preview-placeholder .dashicons {
    font-size: 48px;
    width: 48px;
    height: 48px;
    opacity: 0.3;
    margin-bottom: 12px;
}

/* Tabs */
.pc-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--pc-border-light);
    margin-bottom: 24px;
}

.pc-tab {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--pc-text-secondary);
    transition: var(--pc-transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pc-tab:hover {
    color: var(--pc-primary);
}

.pc-tab.active {
    color: var(--pc-primary);
    border-bottom-color: var(--pc-primary);
}

.pc-tab-content {
    display: none;
}

.pc-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Toast Notifications */
.pc-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    background: var(--pc-secondary);
    color: #fff;
    border-radius: var(--pc-radius-sm);
    box-shadow: var(--pc-shadow-lg);
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--pc-transition);
}

.pc-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.pc-toast.success {
    background: var(--pc-success);
}

.pc-toast.error {
    background: var(--pc-danger);
}

/* Badge */
.pc-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.pc-badge-new {
    background: var(--pc-success);
    color: #fff;
}

.pc-badge-pro {
    background: var(--pc-warning);
    color: #fff;
}

/* Responsive Design */
@media screen and (max-width: 782px) {
    .pixel-clusters-wrap {
        padding: 0 10px;
    }
    
    .pc-header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    .pc-header-actions {
        flex-direction: column;
        margin-top: 16px;
    }
    
    .pc-header-icon {
        display: none;
    }
    
    .pc-donate-label {
        display: none;
    }
    
    .pc-header-content h1 {
        font-size: 22px;
    }
    
    .pc-form-grid {
        grid-template-columns: 1fr;
    }
    
    .pc-code-display {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pc-code-output {
        min-width: auto;
    }
    
    .pc-btn {
        width: 100%;
        justify-content: center;
    }
    
    .pc-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .pc-tab {
        padding: 12px 16px;
        white-space: nowrap;
    }
    
    .pc-help-grid {
        grid-template-columns: 1fr;
    }
    
    .pc-card-body {
        padding: 16px;
    }
    
    .pc-preview-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

@media screen and (max-width: 480px) {
    .pc-header-content h1 {
        font-size: 18px;
    }
    
    .pc-version {
        display: block;
        margin: 8px 0 0 0;
    }
    
    .pc-card-header {
        padding: 12px 16px;
    }
    
    .pc-card-header h2 {
        font-size: 14px;
    }
}

/* Print Styles */
@media print {
    .pc-btn,
    .pc-tabs,
    .pc-preview-section {
        display: none !important;
    }
    
    .pc-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* Accessibility */
.pc-select:focus-visible,
.pc-input:focus-visible,
.pc-btn:focus-visible,
.pc-tab:focus-visible {
    outline: 2px solid var(--pc-primary);
    outline-offset: 2px;
}

/* Dark Mode Support (WordPress 5.7+) */
@media (prefers-color-scheme: dark) {
    body.admin-color-modern {
        --pc-bg-light: #2c3338;
        --pc-bg-white: #1d2327;
        --pc-border: #50575e;
        --pc-border-light: #3c434a;
        --pc-text: #f0f0f1;
        --pc-text-secondary: #c3c4c7;
    }
}

/* WordPress Admin Color Scheme Support */
.admin-color-fresh .pc-header {
    background: linear-gradient(135deg, #0073aa 0%, #005177 100%);
}

.admin-color-light .pc-header {
    background: linear-gradient(135deg, #04a4cc 0%, #0288a7 100%);
}

.admin-color-blue .pc-header {
    background: linear-gradient(135deg, #096484 0%, #074b63 100%);
}

.admin-color-midnight .pc-header {
    background: linear-gradient(135deg, #e14d43 0%, #b83c33 100%);
}