/* ========================================
   Game Guide Site - Custom Styles
   ======================================== */

/* Base */
:root {
  --color-primary: #6366f1;
  --color-primary-hover: #818cf8;
  --color-bg-dark: #0f1117;
  --color-bg-card: #1a1d2e;
  --color-bg-card-hover: #232740;
  --color-border: #2a2d3e;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-accent-gold: #f59e0b;
  --color-accent-green: #10b981;
  --color-accent-red: #ef4444;
  --color-accent-blue: #3b82f6;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Noto Sans TC', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.7;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary-hover);
}

/* Cards */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.15);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: linear-gradient(135deg, #1e2030, #2a2d4e);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.6;
}

.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-red {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-accent-red);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Navigation */
.navbar {
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.nav-link {
  color: var(--color-text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(99, 102, 241, 0.15);
}

.nav-link.active {
  color: var(--color-primary);
}

/* Mobile Menu */
.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-menu.open {
  transform: translateX(0);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0f1117 0%, #1a1040 50%, #0f1117 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  pointer-events: none;
}

/* Table of Contents */
.toc {
  position: sticky;
  top: 80px;
}

.toc-item {
  display: block;
  padding: 6px 12px;
  border-left: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition: all 0.2s;
}

.toc-item:hover {
  color: var(--color-text);
  border-left-color: var(--color-text-muted);
}

.toc-item.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: rgba(99, 102, 241, 0.08);
  border-radius: 0 6px 6px 0;
}

/* Article Content */
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  color: #fff;
}

.article-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #f1f5f9;
}

.article-content p {
  margin-bottom: 1rem;
  color: var(--color-text);
}

.article-content ul,
.article-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.4rem;
}

.article-content strong {
  color: #fff;
}

.article-content code {
  background: rgba(99, 102, 241, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--color-primary-hover);
}

.article-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 12px 16px;
  margin: 1rem 0;
  background: rgba(99, 102, 241, 0.06);
  border-radius: 0 8px 8px 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.article-content th,
.article-content td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.article-content th {
  background: rgba(99, 102, 241, 0.1);
  color: #fff;
  font-weight: 600;
}

.article-content tr:hover td {
  background: rgba(99, 102, 241, 0.04);
}

/* Article Card Image */
.article-thumb {
  background-image: url('https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/fc/8f/51/fc8f5157-9daa-b107-5fd9-0012dcc2d1f4/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/200x200bb.jpg');
  background-size: cover;
  background-position: center;
  background-color: #1a1d2e;
}

/* Game Card Image */
.game-card-img {
  background-size: cover;
  background-position: center;
  background-color: #1a1d2e;
}

/* Ad Placeholder */
.ad-slot {
  background: linear-gradient(135deg, #1a1d2e, #232740);
  border: 2px dashed var(--color-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  min-height: 90px;
  transition: border-color 0.3s;
}

.ad-slot:hover {
  border-color: var(--color-primary);
}

/* Footer */
footer {
  background: #0a0c14;
  border-top: 1px solid var(--color-border);
}

/* Breadcrumb */
.breadcrumb-item + .breadcrumb-item::before {
  content: '›';
  color: var(--color-text-muted);
  margin: 0 8px;
}

/* Category Pill */
.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
}

.category-pill:hover,
.category-pill.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s;
  z-index: 50;
  border: none;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-hover);
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease forwards;
}

/* Responsive Helpers */
@media (max-width: 1024px) {
  .toc {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.75rem !important;
  }

  .article-content h2 {
    font-size: 1.25rem;
  }

  .article-content h3 {
    font-size: 1.05rem;
  }
}