/* ============================================
   CSS Reset & Base Styles
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Vibrant Color Palette */
    --primary: #8B5CF6;        /* Vibrant Purple */
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --secondary: #3B82F6;      /* Electric Blue */
    --secondary-dark: #2563EB;
    --accent-orange: #F97316;  /* Energetic Orange */
    --accent-green: #10B981;   /* Success Green */
    --accent-gold: #FBBF24;    /* Warm Gold */
    
    /* Background */
    --background: #FFFBF5;     /* Light cream */
    --background-gradient: linear-gradient(135deg, #F3E8FF 0%, #DBEAFE 100%);
    --card-bg: #ffffff;
    
    /* Text Colors */
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --text-muted: #6B7280;
    
    /* Borders & Shadows */
    --border: #E5E7EB;
    --shadow-sm: 0 1px 3px 0 rgba(139, 92, 246, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(139, 92, 246, 0.15), 0 2px 4px -1px rgba(139, 92, 246, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(139, 92, 246, 0.2), 0 4px 6px -2px rgba(139, 92, 246, 0.1);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);
    
    /* Topic Colors */
    --color-startup: #8B5CF6;
    --color-gadgets: #F97316;
    --color-tools: #3B82F6;
    --color-productivity: #10B981;
    --color-wellness: #EC4899;
    --color-finance: #FBBF24;
    --color-learning: #6366F1;
    --color-entertainment: #F59E0B;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--background-gradient);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Container & Layout
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ============================================
   Header
   ============================================ */

.header {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid rgba(139, 92, 246, 0.1);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 60px;
    display: flex;
    align-items: center;
}

.header-content {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    margin: 0;
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 200px);
}

/* ============================================
   Section Styles
   ============================================ */

section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* ============================================
   About Section
   ============================================ */

.about-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(251, 191, 36, 0.05) 100%);
    padding: 1.25rem var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(139, 92, 246, 0.1);
    max-height: 120px;
}

.about-content {
    text-align: center;
}

.about-text {
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Search & Filter Section
   ============================================ */

.search-filter-section {
    margin-bottom: var(--spacing-xl);
}

.search-container {
    margin-bottom: var(--spacing-md);
}

.search-wrapper {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    pointer-events: none;
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
    font-size: var(--font-size-base);
    border: 2px solid var(--border);
    border-radius: 12px;
    background-color: var(--card-bg);
    transition: var(--transition);
    font-family: var(--font-family);
    box-shadow: var(--shadow-sm);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1), var(--shadow-md);
    transform: translateY(-2px);
}

.filter-container {
    margin-top: var(--spacing-md);
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.clear-filters-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    transition: var(--transition);
    font-family: var(--font-family);
    box-shadow: var(--shadow-sm);
}

.clear-filters-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.clear-filters-btn:active {
    transform: translateY(0);
}

.topic-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.topic-filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid var(--border);
    background-color: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
    box-shadow: var(--shadow-sm);
}

.topic-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.topic-filter-btn.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.active-filter-count {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 500;
}

/* ============================================
   Resources Grid
   ============================================ */

.resources-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.featured-grid {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(59, 130, 246, 0.08) 100%);
    padding: var(--spacing-lg);
    border-radius: 20px;
    border: 2px solid rgba(139, 92, 246, 0.2);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.featured-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 3s infinite;
}

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

@media (min-width: 640px) {
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .resources-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1280px) {
    .featured-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Resource Card
   ============================================ */

.resource-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 320px;
    opacity: 0;
    transform: translateY(20px);
    animation: cardEntrance 0.5s ease-out forwards;
    position: relative;
}

@keyframes cardEntrance {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.resource-card.featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-md);
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

/* Card Top Section: Name + Rating */
.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.resource-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    flex: 1;
    margin: 0;
    padding-right: var(--spacing-sm);
}

/* Rating Badge - Fixed top right */
.rating-badge {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.35rem 0.7rem;
    border-radius: 16px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    z-index: 10;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.rating-badge.gold {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #FCD34D 100%);
    color: #78350F;
}

.rating-badge.green {
    background: linear-gradient(135deg, var(--accent-green) 0%, #34D399 100%);
    color: white;
}

.rating-badge.blue {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: white;
}

.rating-badge.purple {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

/* Card Middle Section: Description (flexible) */
.card-description {
    flex-grow: 1;
    margin-bottom: var(--spacing-sm);
}

.resource-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Card Divider */
.card-divider {
    height: 1px;
    background: var(--border);
    margin: var(--spacing-sm) 0;
    flex-shrink: 0;
}

/* Card Bottom Section: Tags, Counter, Button (fixed) */
.card-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: auto;
    flex-shrink: 0;
}

.resource-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 0;
}

.topic-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.75rem;
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.topic-badge:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Click Counter */
.click-counter {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

/* Picked By Attribution */
.picked-by {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

.picked-by-icon {
    color: var(--primary);
    font-size: 1rem;
}

.picked-by-text {
    color: var(--text-muted);
}

.click-counter-icon {
    font-size: 1.2rem;
}

.click-counter-number {
    font-weight: 600;
    color: var(--text-secondary);
}

.click-counter-trend {
    margin-left: 0.25rem;
    color: var(--accent-green);
    font-size: 0.9rem;
}

.resource-footer {
    display: none; /* Not used in new layout */
}

.visit-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-family: var(--font-family);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    margin-top: var(--spacing-xs);
}

.visit-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
}

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

.visit-btn svg {
    width: 16px;
    height: 16px;
}

.affiliate-indicator {
    font-size: 10px;
    color: var(--text-muted);
    padding: 0.25rem var(--spacing-xs);
    background-color: var(--background);
    border-radius: 4px;
}

/* ============================================
   Loading & Status Indicators
   ============================================ */

.loading-indicator {
    text-align: center;
    padding: var(--spacing-xl);
    display: none;
}

.loading-indicator.active {
    display: block;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(139, 92, 246, 0.1);
    border-top-color: var(--primary);
    border-right-color: var(--secondary);
    border-bottom-color: var(--accent-orange);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

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

.loading-indicator p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.no-results,
.end-of-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    display: none;
}

.no-results.active,
.end-of-results.active {
    display: block;
}

.no-results-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.no-results-emoji {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.no-results-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    font-weight: 500;
}

.resource-counter {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 600;
}

/* ============================================
   Back to Top Button
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    animation: bounceIn 0.5s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.back-to-top:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.back-to-top:active {
    transform: translateY(-2px) scale(1.05);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    text-align: center;
}

.footer-main {
    margin-bottom: var(--spacing-md);
}

.footer-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-subtitle {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: var(--spacing-lg) 0;
}

/* Social Media Icons */
.social-section {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.social-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px) scale(1.1);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

.footer-links {
    margin: var(--spacing-md) 0;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.footer-bottom {
    margin-top: var(--spacing-md);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-sm);
}

.footer-legal {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    font-size: var(--font-size-sm);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 640px) {
    .header {
        height: 50px;
        padding: 0.5rem 0;
    }
    
    .logo {
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-lg);
    }
    
    .about-text {
        font-size: var(--font-size-sm);
    }
    
    .about-section {
        padding: 1rem var(--spacing-sm);
        max-height: 100px;
    }
    
    .resource-card {
        min-height: 300px;
    }
    
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 48px;
        height: 48px;
    }
    
    .footer-contact {
        font-size: 12px;
    }
}

/* ============================================
   Accessibility
   ============================================ */

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

/* Focus styles for keyboard navigation */
button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}