?>
/*
Theme Name: NewsSync.com
Theme URI: https://news-sync.com
Description: Advanced WordPress theme for NewsSync.com - Revolutionary AI-powered newsletter platform with budget transparency
Version: 2.0.0
Author: NewsSync Team
Text Domain: newsync
*/

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #007AFF;
    --success-color: #34C759;
    --warning-color: #FF9500;
    --danger-color: #FF3B30;
    --background-light: #F8F8F8;
    --background-white: #FFFFFF;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-light);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.newsync-header {
    background: var(--primary-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-size: 28px;
    font-weight: 800;
    color: white;
    text-decoration: none;
    letter-spacing: -1px;
}

.main-menu {
    display: flex;
    gap: 30px;
    list-style: none;
}

.main-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.main-menu a:hover,
.main-menu a.active {
    background: rgba(255,255,255,0.1);
}

/* Dashboard Styles */
.newsync-dashboard {
    min-height: calc(100vh - 80px);
}

.dashboard-header {
    background: linear-gradient(135deg, #000 0%, #333 100%);
    color: white;
    padding: 60px 0;
    margin-bottom: 40px;
}

.dashboard-header h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.tier-badge {
    display: inline-block;
    padding: 8px 24px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
}

.tier-badge.tier-base {
    background: #666;
}

.tier-badge.tier-professional {
    background: var(--accent-color);
}

.tier-badge.tier-enterprise {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
}

/* Dashboard Cards */
.dashboard-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
}

.dashboard-card h2 {
    font-size: 24px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-tooltip {
    font-size: 16px;
    cursor: help;
    opacity: 0.5;
}

/* Budget Visualization */
.budget-visual {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    align-items: center;
}

.budget-circle {
    position: relative;
    width: 200px;
    height: 200px;
}

.budget-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.budget-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.budget-amount {
    display: block;
    font-size: 32px;
    font-weight: 700;
}

.budget-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
}

.budget-details {
    display: grid;
    gap: 15px;
}

.budget-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.budget-item .label {
    color: var(--text-secondary);
}

.budget-item .value {
    font-weight: 600;
}

.budget-item .mono {
    font-family: 'Courier New', monospace;
    background: var(--background-light);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--background-light);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: white;
    border-color: var(--primary-color);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* Newsletter Grid */
.newsletters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.newsletter-item {
    background: var(--background-light);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
}

.newsletter-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.newsletter-meta {
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
    font-size: 14px;
}

.status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-active {
    background: #E8F5E9;
    color: #2E7D32;
}

.status-paused {
    background: #FFF3E0;
    color: #E65100;
}

.newsletter-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 15px 0;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    opacity: 0.3;
}

/* Stats Cards */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    font-size: 36px;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    margin: 5px 0;
}

/* Configuration Form */
.config-form {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.config-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.config-progress::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.progress-step {
    position: relative;
    z-index: 1;
    text-align: center;
    flex: 1;
}

.step-number {
    display: block;
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    line-height: 36px;
    font-weight: 600;
    transition: var(--transition);
}

.progress-step.active .step-number {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.progress-step.completed .step-number {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.step-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
}

.config-step {
    display: none;
}

.config-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* Form Elements */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="time"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* Checkbox Grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    padding: 12px;
    background: var(--background-light);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-label:hover {
    background: #E8E8E8;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 10px;
}

.checkbox-label input[type="checkbox"]:checked + span {
    font-weight: 600;
}

/* Budget Calculator */
.budget-calculator {
    background: var(--background-light);
    border-radius: 12px;
    padding: 25px;
    margin: 30px 0;
}

.budget-calculator h3 {
    margin-bottom: 20px;
}

.budget-preview {
    display: grid;
    gap: 10px;
    margin-bottom: 20px;
}

.budget-preview .budget-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.budget-item.highlight {
    font-weight: 600;
    font-size: 18px;
}

.budget-note {
    background: white;
    padding: 15px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Navigation */
.config-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .main-menu {
        gap: 15px;
    }
    
    .dashboard-header h1 {
        font-size: 28px;
    }
    
    .budget-visual {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .budget-circle {
        margin: 0 auto;
    }
    
    .newsletters-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .config-progress {
        flex-wrap: wrap;
    }
    
    .step-label {
        font-size: 12px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading States */
.loading {
    position: relative;
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error States */
.error {
    border-color: var(--danger-color) !important;
}

.error-message {
    color: var(--danger-color);
    font-size: 14px;
    margin-top: 5px;
}

/* Success Messages */
.success-message {
    background: #E8F5E9;
    color: #2E7D32;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* Helper function */
<?php
function newsync_get_newsletter_limit($tier) {
    $limits = array(
        'base' => 2,
        'professional' => 5,
        'enterprise' => 'unlimited'
    );
    return $limits[$tier] ?? 2;
}