/* =============================================================
   SURVIVE ZOMBIE ARENA WIKI - STYLES
   Dark zombie/horror themed design
   ============================================================= */

:root {
  /* Primary zombie green */
  --color-primary: #4CAF50;
  --color-primary-dark: #388E3C;
  --color-primary-light: #81C784;

  /* Blood red accent */
  --color-secondary: #D32F2F;
  --color-secondary-dark: #B71C1C;
  --color-secondary-light: #EF5350;

  /* Dark surfaces */
  --color-surface: #1a1a1a;
  --color-bg: #0d0d0d;
  --color-bg-secondary: #141414;
  --color-bg-tertiary: #1f1f1f;

  /* Amber/gold for highlights */
  --color-accent: #FFB300;
  --color-accent-dark: #FF8F00;

  /* Text colors */
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;

  /* Utility colors */
  --color-success: #4CAF50;
  --color-warning: #FF9800;
  --color-danger: #f44336;
  --color-info: #2196F3;

  /* Transparency and glass */
  --glass-bg: rgba(20, 20, 20, 0.85);
  --glass-border: rgba(76, 175, 80, 0.2);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 800px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; margin-bottom: var(--spacing-lg); }
h2 { font-size: 2rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.5rem; margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.25rem; margin-bottom: var(--spacing-sm); }

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-amber { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: #000;
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 1000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* =============================================================
   NAVBAR
   ============================================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
}

.navbar-logo {
  font-size: 1.5rem;
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-sm);
  align-items: center;
}

.navbar-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-primary);
  background: rgba(76, 175, 80, 0.1);
}

.navbar-item {
  position: relative;
}

.navbar-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s;
  z-index: 1000;
}

.navbar-item:hover .navbar-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.dropdown-link:hover,
.dropdown-link.active {
  color: var(--color-primary);
  background: rgba(76, 175, 80, 0.1);
}

.navbar-toggle,
.navbar-search-btn {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  color: var(--text-secondary);
  transition: color 0.2s;
}

.navbar-toggle:hover,
.navbar-search-btn:hover {
  color: var(--color-primary);
}

.flex { display: flex; }
.items-center { align-items: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }

/* Mobile Responsive Navbar */
@media (max-width: 768px) {
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
  }

  .navbar-menu.active {
    display: flex;
  }

  .navbar-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    padding-left: var(--spacing-md);
  }

  .navbar-item.dropdown-active .navbar-dropdown {
    display: block;
  }

  .navbar-link {
    padding: var(--spacing-md);
  }
}

/* =============================================================
   PROGRESS BAR
   ============================================================= */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  width: 0%;
  z-index: 101;
  transition: width 0.1s;
}

/* =============================================================
   SEARCH OVERLAY
   ============================================================= */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.search-overlay.hidden {
  display: none;
}

.search-modal {
  width: 90%;
  max-width: 600px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.search-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--glass-border);
}

.search-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  padding: var(--spacing-sm);
  outline: none;
}

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

.search-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
}

.search-results {
  max-height: 60vh;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.search-hint {
  color: var(--text-muted);
  text-align: center;
  padding: var(--spacing-lg);
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.search-result-item:hover {
  background: var(--color-bg-tertiary);
}

.search-result-emoji {
  font-size: 1.5rem;
}

.search-result-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.search-result-item strong {
  color: var(--text-primary);
  display: block;
}

.search-result-item mark {
  background: var(--color-accent);
  color: #000;
  padding: 0 2px;
  border-radius: 2px;
}

/* =============================================================
   HERO & PAGE HERO
   ============================================================= */
.hero {
  padding: 8rem var(--spacing-md) 4rem;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%234CAF50' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-block {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.page-hero {
  padding: 8rem var(--spacing-md) 4rem;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

/* =============================================================
   SECTIONS
   ============================================================= */
.section {
  padding: var(--spacing-2xl) var(--spacing-md);
}

.py-xl { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-sm { margin-top: var(--spacing-sm); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mt-0 { margin-top: 0; }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* =============================================================
   CARDS
   ============================================================= */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all 0.3s;
}

.card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(76, 175, 80, 0.15);
}

.card-gradient {
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
  border: 1px solid var(--glass-border);
}

.card-header {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.25rem;
  margin: var(--spacing-sm) 0;
}

.card-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card-body {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--glass-border);
}

.text-gold { color: var(--color-accent); }
.text-rust { color: var(--color-secondary); }
.text-amber { color: var(--color-accent); }

/* Card grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* =============================================================
   BUTTONS
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

.btn-primary {
  background: var(--color-primary);
  color: #000;
}

.btn-primary:hover {
  background: var(--color-primary-light);
  color: #000;
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #000;
}

/* =============================================================
   BADGES
   ============================================================= */
.badge {
  display: inline-block;
  padding: 2px var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--color-bg-tertiary);
  color: var(--text-secondary);
}

.badge-primary { background: var(--color-primary); color: #000; }
.badge-secondary { background: var(--color-secondary); color: #fff; }
.badge-success { background: var(--color-success); color: #000; }
.badge-warning { background: var(--color-warning); color: #000; }
.badge-danger { background: var(--color-danger); color: #fff; }
.badge-info { background: var(--color-info); color: #fff; }
.badge-gold { background: var(--color-accent); color: #000; }
.badge-rust { background: var(--color-secondary-dark); color: #fff; }

/* =============================================================
   TABLES
   ============================================================= */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
}

th, td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

th {
  background: var(--color-bg-tertiary);
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
}

tr:hover td {
  background: var(--color-bg-secondary);
}

/* =============================================================
   CODE & HIGHLIGHT
   ============================================================= */
code {
  background: var(--color-bg-tertiary);
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.9em;
  color: var(--color-accent);
}

.highlight-box {
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.1), rgba(255, 179, 0, 0.1));
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
}

/* =============================================================
   BREADCRUMB
   ============================================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb-sep {
  color: var(--text-muted);
}

/* =============================================================
   CONTENT BODY (Article styles)
   ============================================================= */
.content-body h2 {
  color: var(--color-primary);
  border-bottom: 2px solid var(--glass-border);
  padding-bottom: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.content-body h3 {
  color: var(--color-accent);
  margin-top: var(--spacing-lg);
}

.content-body p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.8;
}

.content-body ul, .content-body ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
  color: var(--text-secondary);
}

.content-body li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.content-body strong {
  color: var(--text-primary);
}

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--glass-border);
  margin-top: var(--spacing-2xl);
}

.footer h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* =============================================================
   ANIMATIONS
   ============================================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

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

/* =============================================================
   PROMO CODE STYLES
   ============================================================= */
.promo-code {
  background: var(--color-bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

.border-success {
  border-left: 4px solid var(--color-success);
}

.border-danger {
  border-left: 4px solid var(--color-danger);
}

.opacity-75 {
  opacity: 0.75;
}

/* =============================================================
   WEAPON/CLASS STAT CARDS
   ============================================================= */
.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.stat-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--glass-border);
}

.stat-label {
  color: var(--text-muted);
}

.stat-value {
  color: var(--text-primary);
  font-weight: 600;
}

/* =============================================================
   TOOL CALCULATOR STYLES
   ============================================================= */
.tool-section {
  background: var(--color-bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.tool-section h3 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
}

.calculator-result {
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.15), rgba(255, 179, 0, 0.1));
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  margin-top: var(--spacing-lg);
}

.calculator-result h4 {
  color: var(--color-primary);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.form-group select,
.form-group input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group select:focus,
.form-group input:focus {
  border-color: var(--color-primary);
}

/* =============================================================
   RESPONSIVE UTILITIES
   ============================================================= */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .hero { padding: 6rem var(--spacing-md) 3rem; }
  .page-hero { padding: 6rem var(--spacing-md) 3rem; }
  .section { padding: var(--spacing-xl) var(--spacing-md); }

  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* =============================================================
   UTILITY CLASSES
   ============================================================= */
.hidden { display: none !important; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }