/* ============================================
   PROJECT FREE TO USE - PROFESSIONAL THEME
   ============================================ */

/* ============================================
   DESIGN TOKENS
   ============================================ */

:root {
    /* Light Mode Colors */
    --color-bg: #ffffff;
    --color-bg-secondary: #f9fafb;
    --color-text: #111827;
    --color-text-secondary: #6b7280;
    --color-divider: #e5e7eb;
    --color-accent: #111827;
    --color-accent-hover: #000000;
    --color-card-bg: #ffffff;
    --color-card-border: #e5e7eb;

    /* Typography - System Stack */
    --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* Font Sizes */
    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 20px;
    --text-xl: 24px;
    --text-2xl: 32px;

    /* Spacing - 8px Base Unit */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;
    --space-12: 48px;
    --space-16: 64px;

    /* Shadows - Subtle */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0.0, 0.2, 1);

    /* Layout */
    --header-height: 64px;
    --max-width: 1280px;
}

/* Dark Mode */
[data-theme="dark"] {
    --color-bg: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-text: #f9fafb;
    --color-text-secondary: #9ca3af;
    --color-divider: #2a2a2a;
    --color-accent: #ffffff;
    --color-accent-hover: #e5e7eb;
    --color-card-bg: #1a1a1a;
    --color-card-border: #2a2a2a;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-system);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    transition: background-color 100ms ease-out, color 100ms ease-out;
}

/* ============================================
   NO-JS FALLBACK
   ============================================ */

.no-js-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: var(--space-8);
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

/* ============================================
   HEADER - STICKY NAVIGATION
   ============================================ */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--space-8);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
    position: relative;
}

.logo-image {
    height: 80px;
    width: auto;
    display: block;
    transition: opacity 150ms ease-out;
}

.logo-image:hover {
    opacity: 0.7;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.2;
    margin: 0;
}

.logo-tagline {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    line-height: 1.2;
    margin: 0;
}

/* Navigation Tabs */
.nav {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.nav::-webkit-scrollbar {
    display: none;
}

.nav-tab {
    font-family: var(--font-system);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.nav-tab:hover {
    color: var(--color-text);
    background: var(--color-bg-secondary);
}

.nav-tab.active {
    color: #ffffff;
    background: #111827;
}

[data-theme="dark"] .nav-tab.active {
    background: #ffffff;
    color: #111827;
}

.nav-tab.active::after {
    display: none;
}

.nav-tab:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-divider);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--color-divider);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--color-text);
    transition: transform var(--transition-base);
}

.theme-toggle:hover svg {
    transform: rotate(20deg);
}

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

.main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
    position: relative;
    z-index: 1;
}

/* ============================================
   SEARCH SECTION
   ============================================ */

.search-section {
    margin-bottom: var(--space-8);
}

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

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    font-family: var(--font-system);
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-4) var(--space-3) 48px;
    border: 1px solid var(--color-divider);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    color: var(--color-text);
    transition: all var(--transition-fast);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-secondary);
}

.search-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.1);
}

[data-theme="dark"] .search-input:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* ============================================
   CONTENT WRAPPER
   ============================================ */

.content-wrapper {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: var(--space-8);
    align-items: start;
}

/* ============================================
   FILTERS SIDEBAR
   ============================================ */

.filters {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.filters-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
}

.filters-clear {
    font-family: var(--font-system);
    font-size: var(--text-sm);
    color: var(--color-accent);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-1);
    transition: color var(--transition-fast);
}

.filters-clear:hover {
    color: var(--color-accent-hover);
}

.filters-clear:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.filter-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.filter-item:hover {
    background: var(--color-bg-secondary);
}

.filter-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-divider);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    flex-shrink: 0;
    background: var(--color-bg);
}

.filter-checkbox:checked {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.filter-checkbox:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

[data-theme="dark"] .filter-checkbox:checked::after {
    border-color: var(--color-bg);
}

.filter-checkbox:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.filter-label {
    font-size: var(--text-sm);
    color: var(--color-text);
    user-select: none;
}

/* Mobile Filter Toggle */
.filter-toggle {
    display: none;
}

/* ============================================
   RESULTS SECTION
   ============================================ */

.results {
    min-height: 400px;
}

/* Loading State */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16);
    gap: var(--space-4);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-divider);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* Empty State */
.empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16);
    gap: var(--space-4);
}

.empty-icon {
    color: var(--color-text-secondary);
    opacity: 0.3;
}

.empty-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
}

.empty-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
    animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ============================================
   CARD COMPONENT
   ============================================ */

.card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: var(--space-3);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}

.card-badges {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}

.badge {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-weight: 600;
    white-space: nowrap;
}

.badge-featured {
    background: rgba(251, 191, 36, 0.1);
    color: #d97706;
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.badge-verified {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-sponsored {
    background: rgba(168, 85, 247, 0.1);
    color: #9333ea;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.card-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-divider);
}

.card-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

.card-meta-label {
    font-weight: 500;
    min-width: 80px;
}

.card-meta-value {
    color: var(--color-text);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tag {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-divider);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-divider);
    color: var(--color-text);
}

.card-links {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-2);
}

.card-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-divider);
}

.card-link:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

[data-theme="dark"] .card-link:hover {
    color: var(--color-bg);
}

.card-link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   MOBILE FILTER OVERLAY
   ============================================ */

.filter-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 200;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.filter-overlay.active {
    opacity: 1;
}

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

@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }

    .filters {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        z-index: 300;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-radius: 0;
        border-left: none;
        overflow-y: auto;
    }

    .filters.active {
        transform: translateX(0);
    }

    .filter-toggle {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        position: fixed;
        bottom: var(--space-6);
        right: var(--space-6);
        z-index: 150;
        background: var(--color-accent);
        color: var(--color-bg);
        border: 1px solid var(--color-divider);
        padding: var(--space-3) var(--space-6);
        border-radius: var(--radius-full);
        font-family: var(--font-system);
        font-size: var(--text-sm);
        font-weight: 600;
        cursor: pointer;
        box-shadow: var(--shadow-lg);
        transition: all var(--transition-fast);
    }

    .filter-toggle:hover {
        transform: scale(1.05);
        box-shadow: var(--shadow-lg);
    }

    .filter-toggle:active {
        transform: scale(0.95);
    }

    .filter-overlay {
        display: block;
        pointer-events: none;
    }

    .filter-overlay.active {
        pointer-events: all;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: auto;
    }

    .header-content {
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-4);
        height: auto;
        gap: var(--space-4);
    }

    .logo {
        justify-content: center;
    }

    .nav {
        justify-content: center;
    }

    .main {
        padding: var(--space-6) var(--space-4);
    }

    .search-section {
        margin-bottom: var(--space-6);
    }

    .results-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 64px;
    }

    .logo-title {
        font-size: var(--text-sm);
    }

    .logo-tagline {
        font-size: 11px;
    }

    .nav-tab {
        font-size: var(--text-xs);
        padding: var(--space-2) var(--space-3);
    }

    .search-input {
        font-size: var(--text-sm);
    }

    .card {
        padding: var(--space-4);
    }

    .card-title {
        font-size: var(--text-base);
    }
}

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

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-divider: #000000;
    }

    .card {
        border-width: 2px;
    }
}/* ============================================
   ABOUT PAGE STYLES
   ============================================ */

.about-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

.about-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-8);
  text-align: center;
  color: var(--color-text);
}

.about-section {
  margin-bottom: var(--space-8);
}

.about-section h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.about-section p {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-list li {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  padding-left: var(--space-6);
  position: relative;
}

.about-list li::before {
  content: "";
  position: absolute;
  left: var(--space-3);
  color: var(--color-accent);
  font-weight: bold;
}

.about-section a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  transition: opacity var(--transition-base);
}

.about-section a:hover {
  opacity: 0.7;
}

.about-cta {
  text-align: center;
  margin-top: var(--space-12);
}

.cta-button {
  display: inline-block;
  padding: var(--space-4) var(--space-8);
  background: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.cta-button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
  .about-container {
    padding: var(--space-6) var(--space-4);
  }
  
  .about-title {
    font-size: var(--text-xl);
  }
  
  .about-section h3 {
    font-size: var(--text-lg);
  }
}
/* ============================================
   HOME PAGE STYLES
   ============================================ */

/* Ranking Bar */
.ranking-bar {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: var(--space-3) var(--space-4);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.ranking-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.ranking-text {
  font-size: var(--text-base);
  font-weight: 600;
}

.ranking-link {
  color: white;
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.ranking-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Home Page Layout */
.home-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

/* Hero Section */
.hero-section {
  text-align: center;
  margin-bottom: var(--space-12);
}

.hero-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  line-height: 1.2;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Section Title */
.section-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--color-text);
  text-align: center;
}

/* Categories Grid */
.categories-section {
  margin-bottom: var(--space-12);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.category-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-decoration: none;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-shadow: var(--shadow-sm);
}

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

.category-icon {
  font-size: 48px;
  margin-bottom: var(--space-2);
}

.category-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.category-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex-grow: 1;
  margin: 0;
}

.category-link-text {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
  margin-top: var(--space-2);
}

/* Features Section */
.features-section {
  margin-bottom: var(--space-12);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.feature-item {
  text-align: center;
  padding: var(--space-4);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: var(--space-3);
}

.feature-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
  .ranking-content {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .hero-title {
    font-size: var(--text-xl);
  }
  
  .hero-description {
    font-size: var(--text-base);
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}
/* Remove underline from nav-tab links */
.nav-tab {
    text-decoration: none !important;
}

/* Fix navigation button flash on click */
.nav-tab.active {
    color: #ffffff !important;
    background: #111827 !important;
}

[data-theme="dark"] .nav-tab.active {
    background: #ffffff !important;
    color: #111827 !important;
}

.nav-tab.active:hover {
    color: #ffffff !important;
    background: #111827 !important;
}

[data-theme="dark"] .nav-tab.active:hover {
    background: #ffffff !important;
    color: #111827 !important;
}

/* Prevent click flash effect on navigation buttons */
.nav-tab:active:not(.active) {
    color: var(--color-text-secondary) !important;
    background: transparent !important;
}

/* Completely disable transitions on nav-tab to eliminate flash */
.nav-tab {
    transition: none !important;
}

/* Only enable smooth transitions on hover for non-active buttons */
.nav-tab:not(.active) {
    transition: background 0.15s ease, color 0.15s ease !important;
}




/* ============================================
   FOOTER STYLES
   ============================================ */

.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-divider);
    margin-top: var(--space-16);
    padding: var(--space-12) var(--space-6);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.footer-heading {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

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

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.footer-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-divider);
    text-align: center;
}

.footer-copyright {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    margin: 0;
}

/* Mobile Footer */
@media (max-width: 768px) {
    .footer {
        padding: var(--space-8) var(--space-4);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}