/* ==========================================================================
   STUDYAPKMOD - Modern Responsive Stylesheet for Infinity Hosting
   Optimized for high-speed loading, SEO, and beautiful UI (Dark & Light)
   ========================================================================== */

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(168, 85, 247, 0.4);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent-purple: #9333ea;
  --accent-purple-light: #a855f7;
  --accent-gradient: linear-gradient(135deg, #9333ea 0%, #6366f1 50%, #3b82f6 100%);
  --accent-glow: 0 0 25px rgba(168, 85, 247, 0.35);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-highlight: rgba(147, 51, 234, 0.4);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-glow: 0 4px 20px rgba(147, 51, 234, 0.15);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

[data-theme="light"] .site-header {
  background-color: rgba(255, 255, 255, 0.88);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(147, 51, 234, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.3);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(147, 51, 234, 0.15);
  transition: transform 0.2s ease;
}

.brand-wrapper:hover .brand-logo-box {
  transform: scale(1.05);
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text-col {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.brand-tagline {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-purple-light);
  line-height: 1;
}

.nav-center-search {
  flex: 1;
  max-width: 480px;
  position: relative;
  display: none;
}

@media (min-width: 768px) {
  .nav-center-search {
    display: block;
  }
}

.nav-search-input {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.5rem;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: var(--transition);
}

.nav-search-input:focus {
  border-color: var(--accent-purple-light);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

.nav-search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--accent-purple-light);
  transform: translateY(-1px);
}

.btn-bookmark-badge {
  position: relative;
}

.badge-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent-purple);
  color: white;
  font-size: 0.6875rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 3.5rem 0 2.5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.hero-glow-bg {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(circle, rgba(147, 51, 234, 0.22) 0%, rgba(99, 102, 241, 0.12) 50%, transparent 70%);
  filter: blur(60px);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  background: rgba(147, 51, 234, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: var(--accent-purple-light);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-title-highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* Mobile search */
.mobile-search-wrapper {
  margin-bottom: 1.75rem;
  display: block;
}

@media (min-width: 768px) {
  .mobile-search-wrapper {
    display: none;
  }
}

.search-box-large {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
}

.search-box-large input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.875rem;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  outline: none;
}

.search-box-large input:focus {
  border-color: var(--accent-purple-light);
  box-shadow: var(--accent-glow);
}

.search-box-large .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* Quick Stats Bar */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 680px;
  margin: 1.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

@media (min-width: 640px) {
  .hero-stats-row {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  background: linear-gradient(180deg, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .stat-value {
  background: linear-gradient(180deg, #0f172a, #475569);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.35rem;
}

/* ==========================================================================
   Filter & Category Bar
   ========================================================================== */
.filter-section {
  padding: 1.5rem 0 1rem;
  position: sticky;
  top: 72px;
  z-index: 90;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.category-scroll-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.category-scroll-container::-webkit-scrollbar {
  display: none;
}

.category-pill {
  white-space: nowrap;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.category-pill:hover {
  color: var(--text-primary);
  border-color: var(--accent-purple-light);
  transform: translateY(-1px);
}

.category-pill.active {
  background: var(--accent-purple);
  color: #ffffff;
  border-color: var(--accent-purple-light);
  box-shadow: 0 4px 14px rgba(147, 51, 234, 0.4);
}

.category-count {
  font-size: 0.6875rem;
  opacity: 0.8;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Apps Grid
   ========================================================================== */
.apps-section {
  padding: 2.5rem 0;
  flex: 1;
}

.section-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.section-heading-title {
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--success);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulseLive 1.5s infinite;
}

@keyframes pulseLive {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.6); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

.apps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

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

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

/* Card Styling */
.app-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

.card-top-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.app-card-logo {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.card-title-col {
  flex: 1;
  min-width: 0;
}

.card-category-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-purple-light);
  margin-bottom: 0.25rem;
}

.card-app-name {
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-meta-line {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.rating-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 700;
  color: #fbbf24;
}

.card-desc {
  font-size: 0.84375rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Feature bullet tags */
.card-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 1.25rem;
}

.feature-chip {
  font-size: 0.6875rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Card Action Buttons */
.card-actions-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.btn-lets-study {
  flex: 1;
  background: var(--accent-gradient);
  color: #ffffff;
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
}

.btn-lets-study:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(147, 51, 234, 0.45);
}

.btn-details {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: var(--transition);
}

.btn-details:hover {
  color: var(--text-primary);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
}

.btn-bookmark-action {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.btn-bookmark-action:hover, .btn-bookmark-action.active {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.5);
  background: rgba(251, 191, 36, 0.1);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  max-width: 480px;
  margin: 0 auto;
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SEO Knowledge Section & Guides (Helps Google Rank)
   ========================================================================== */
.seo-content-section {
  padding: 4rem 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.seo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .seo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.seo-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.seo-card h2, .seo-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.875rem;
  color: var(--text-primary);
}

.seo-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.seo-checklist {
  list-style: none;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.seo-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.seo-checklist li svg {
  color: var(--success);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   FAQ Section (Accordion for Google Snippets)
   ========================================================================== */
.faq-section {
  padding: 4rem 0;
}

.faq-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.faq-header h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
}

.faq-question:hover {
  color: var(--accent-purple-light);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease;
  color: var(--text-muted);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-purple-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 1.25rem;
  transition: max-height 0.3s ease-in-out;
}

/* ==========================================================================
   Social Community Section
   ========================================================================== */
.social-section {
  padding: 3rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.social-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
}

.social-pill-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-purple-light);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 2rem;
  margin-top: auto;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-top-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links-list a:hover {
  color: var(--accent-purple-light);
}

.footer-bottom-bar {
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .footer-bottom-bar {
    flex-direction: row;
  }
}

/* ==========================================================================
   Modal (App Details Dialog)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.modal-backdrop.open .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 10;
}

.modal-app-hero {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.modal-app-logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.modal-body {
  padding: 1.5rem;
}

.modal-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 500px) {
  .modal-meta-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.modal-meta-item {
  display: flex;
  flex-direction: column;
}

.modal-meta-item .label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.modal-meta-item .val {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-section-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.625rem;
}

.modal-description-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.modal-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.modal-features-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.modal-features-list li svg {
  color: var(--accent-purple-light);
  flex-shrink: 0;
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-secondary);
  position: sticky;
  bottom: 0;
}

/* Toast */
.toast-notice {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: #1f2937;
  color: #fff;
  border: 1px solid var(--accent-purple-light);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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