/**
 * IntelliShop - Unified Theme Colors
 * Consistent color scheme across all frontend sections
 * 
 * @package IntelliShop
 * @author FYP Team
 * @version 1.0
 * @updated 2026-04-23 - Unified Color System
 */

/* ========================================
   GLOBAL COLOR VARIABLES
======================================== */

:root {
    /* Primary Brand Colors */
    --primary-gradient-start: #667eea;
    --primary-gradient-end: #764ba2;
    --accent-color: #ffd700;
    
    /* Background Colors */
    --bg-light: #f8faff;
    --bg-white: #ffffff;
    --bg-dark: #2c3e50;
    
    /* Text Colors */
    --text-primary: #2d3748;
    --text-secondary: #64748b;
    --text-muted: #9ca3af;
    --text-light: rgba(255, 255, 255, 0.9);
    
    /* Border Colors */
    --border-light: #e5e7eb;
    --border-primary: rgba(102, 126, 234, 0.2);
    
    /* Shadow Colors */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.1);
    --shadow-primary: 0 8px 25px rgba(102, 126, 234, 0.3);
    
    /* Transition */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   UNIFIED GRADIENT BACKGROUNDS
======================================== */

.bg-primary-gradient {
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
}

.bg-primary-gradient-soft {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

/* ========================================
   UNIFIED HERO SECTIONS - FORCE CORRECT COLORS
======================================== */

.hero-section-unified,
.blog-listing,
.blog-post,
.cms-page {
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%) !important;
    position: relative;
    overflow: hidden;
}

/* Force correct colors for blog sections */
.blog-listing,
.blog-post,
.cms-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.hero-section-unified::before,
.blog-listing::before,
.blog-post::before,
.cms-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%) !important;
    pointer-events: none;
}

/* ========================================
   UNIFIED BUTTONS
======================================== */

.btn-primary-unified,
.btn-hero-primary,
.btn-cta,
.newsletter-btn,
.btn-add-cart,
.btn-subscribe {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end)) !important;
    border: none !important;
    color: #ffffff !important;
    font-weight: 600;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary-unified:hover,
.btn-hero-primary:hover,
.btn-cta:hover,
.newsletter-btn:hover,
.btn-add-cart:hover,
.btn-subscribe:hover {
    background: linear-gradient(135deg, var(--primary-gradient-end), var(--primary-gradient-start)) !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-outline-primary-unified {
    background: transparent !important;
    border: 2px solid var(--primary-gradient-start) !important;
    color: var(--primary-gradient-start) !important;
    font-weight: 600;
    transition: var(--transition-base);
}

.btn-outline-primary-unified:hover {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end)) !important;
    border-color: var(--primary-gradient-start) !important;
    color: #ffffff !important;
    transform: translateY(-2px);
}

/* ========================================
   UNIFIED CARDS
======================================== */

.card-unified,
.post-card,
.product-card,
.feature-card,
.cms-content {
    background: var(--bg-white);
    border-radius: 15px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card-unified::before,
.post-card::before,
.product-card::before,
.cms-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-gradient-start), var(--primary-gradient-end), var(--accent-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-unified:hover,
.post-card:hover,
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-primary);
}

.card-unified:hover::before,
.post-card:hover::before,
.product-card:hover::before {
    opacity: 1;
}

/* ========================================
   UNIFIED LINKS
======================================== */

.link-primary-unified,
.footer-links a,
.read-more {
    color: var(--primary-gradient-start);
    text-decoration: none;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    background-size: 0% 2px;
    background-repeat: no-repeat;
    background-position: 0% 100%;
    transition: var(--transition-base);
}

.link-primary-unified:hover,
.footer-links a:hover,
.read-more:hover {
    background-size: 100% 2px;
    color: var(--primary-gradient-end);
}

/* ========================================
   UNIFIED BADGES & TAGS
======================================== */

.badge-primary-unified,
.section-badge,
.hero-badge,
.post-card-meta span {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1)) !important;
    color: var(--primary-gradient-start) !important;
    border: 1px solid var(--border-primary);
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
}

/* ========================================
   UNIFIED FORM ELEMENTS
======================================== */

.form-control-unified,
.newsletter-input,
.filter-input {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    transition: var(--transition-base);
    background: var(--bg-white);
}

.form-control-unified:focus,
.newsletter-input:focus,
.filter-input:focus {
    border-color: var(--primary-gradient-start) !important;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1) !important;
    outline: none;
}

/* ========================================
   UNIFIED NAVBAR CONSISTENCY
======================================== */

.navbar-nav .nav-link.active {
    background: rgba(255, 215, 0, 0.12) !important;
    color: #ffffff !important;
}

.navbar-nav .nav-link.cart-link {
    background: linear-gradient(135deg, var(--accent-color) 0%, #ffed4e 100%) !important;
    color: #1e193c !important;
}

/* ========================================
   UNIFIED FOOTER CONSISTENCY
======================================== */

.intellishop-footer {
    background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%) !important;
}

.footer-title::after {
    background: var(--accent-color) !important;
}

.social-btn:hover,
.admin-link:hover {
    background: var(--accent-color) !important;
    color: #1e193c !important;
}

/* ========================================
   UNIFIED ANIMATIONS
======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ========================================
   UNIFIED RESPONSIVE BREAKPOINTS
======================================== */

@media (max-width: 991.98px) {
    .hero-section-unified,
    .blog-listing .hero-section,
    .blog-post .post-hero,
    .cms-page .page-hero {
        padding: 100px 0 60px;
    }
}

@media (max-width: 767.98px) {
    .hero-section-unified,
    .blog-listing .hero-section,
    .blog-post .post-hero,
    .cms-page .page-hero {
        padding: 80px 0 50px;
    }
    
    .card-unified,
    .post-card,
    .product-card,
    .cms-content {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 575.98px) {
    .hero-section-unified h1,
    .blog-header h1,
    .post-header h1,
    .cms-content h1 {
        font-size: 2rem !important;
    }
    
    .card-unified,
    .post-card,
    .cms-content {
        padding: 1.5rem !important;
        border-radius: 12px;
    }
}

/* ========================================
   UTILITY CLASSES
======================================== */

.text-primary-gradient {
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.border-primary-gradient {
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end)) 1;
}

.shadow-primary {
    box-shadow: var(--shadow-primary);
}

.transition-base {
    transition: var(--transition-base);
}

/* ========================================
   FORCE CORRECT BLOG COLORS - OVERRIDE ALL
======================================== */

/* Blog listing page - force correct gradient */
body .blog-listing {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

/* Blog post page - force correct gradient */
body .blog-post {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

/* CMS page - force correct gradient */
body .cms-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

/* Force correct overlay colors */
body .blog-listing::before,
body .blog-post::before,
body .cms-page::before {
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%) !important;
}

/* Force correct button colors */
body .read-more:hover,
body .btn-primary:hover,
body .newsletter-btn:hover {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: white !important;
}

/* Force correct link colors */
body .post-card-title a:hover,
body .link-primary-unified:hover {
    color: #667eea !important;
}

/* Force correct badge colors */
body .post-card-meta span,
body .section-badge,
body .hero-badge {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1)) !important;
    color: #667eea !important;
    border: 1px solid rgba(102, 126, 234, 0.2) !important;
}

/* Force correct pagination colors */
body .pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    border-color: #667eea !important;
}

body .pagination .page-link:hover {
    color: #667eea !important;
    background: rgba(102, 126, 234, 0.1) !important;
}

/* Force correct empty state colors */
body .empty-state-icon {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
}

body .empty-state .btn {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
}

/* Force correct card hover effects */
body .post-card:hover {
    box-shadow: 0 25px 60px rgba(102, 126, 234, 0.25) !important;
}

/* Force correct placeholder colors */
body .post-card-image .placeholder {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
}

/* Additional specificity for stubborn elements */
html body .blog-listing,
html body .blog-post,
html body .cms-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

/* ========================================
   UNIFIED HERO SECTIONS
   All hero styling is in style.css (.page-hero
   and the backward-compat aliases).
   Only non-conflicting additions go here.
======================================== */

/* page-content padding is defined in style.css — no override here */

.cms-content {
    background: white;
    border-radius: 25px;
    padding: 60px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
}

.cms-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #ffd700);
}

.cms-content h1 {
    color: #2d3748;
    font-weight: 800;
    margin-bottom: 30px;
    font-size: 2.8rem;
    text-align: center;
    letter-spacing: -1px;
    position: relative;
    padding-bottom: 20px;
}

.cms-content h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.cms-content .meta {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f1f5f9;
}

.cms-content .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    color: #667eea;
    border: 1px solid rgba(102, 126, 234, 0.2);
    margin: 0 10px 10px 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .about-title {
        font-size: 2.5rem;
    }
    
    .cms-content {
        padding: 40px 25px;
        border-radius: 20px;
    }
    
    .cms-content h1 {
        font-size: 2.2rem;
    }
}