/* ========================================
   totk.help - Tears of the Kingdom Guide
   Fantasy Guidebook Theme - No CDN Dependencies
   ======================================== */

/* CSS Variables */
:root {
  --color-primary: #2d6a4f;
  --color-primary-light: #40916c;
  --color-primary-dark: #1b4332;
  --color-gold: #c8a951;
  --color-gold-light: #e0c96e;
  --color-gold-dark: #a68a3e;
  --color-blue: #4a90d9;
  --color-blue-light: #6ab0f5;
  --color-red: #c0392b;
  --color-red-light: #e74c3c;
  --color-bg: #faf6ed;
  --color-bg-card: #fffdf5;
  --color-bg-dark: #1a1a2e;
  --color-bg-dark-card: #252542;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  --color-text-dark: #e8e8e8;
  --color-border: #d4c5a0;
  --color-border-light: #e8dcc4;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --font-heading: Georgia, 'Times New Roman', 'Noto Serif SC', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', sans-serif;
  --font-mono: 'Courier New', monospace;
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --sidebar-width: 280px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gold); }

/* ========== HEADER ========== */
.site-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: white;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: white;
}

.site-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.site-logo .logo-text {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: bold;
  letter-spacing: 0.02em;
}

.site-logo .logo-sub {
  font-size: 0.7rem;
  opacity: 0.8;
  display: block;
  line-height: 1;
  margin-top: 2px;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255,255,255,0.15);
  color: white;
}

.main-nav a.active {
  background: rgba(255,255,255,0.2);
  font-weight: 600;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 40%, #40916c 100%);
  color: white;
  padding: 4rem 1.5rem;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('images/hero-bg.webp') center/cover no-repeat;
  opacity: 0.25;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(transparent, var(--color-bg));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  letter-spacing: 0.02em;
}

.hero .subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-badge {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.2);
}

/* ========== LAYOUT ========== */
.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  gap: 2rem;
}

.page-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
}

.page-main {
  flex: 1;
  min-width: 0;
}

/* Page header (non-home) */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  padding: 2.5rem 1.5rem;
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40px;
  background: linear-gradient(transparent, var(--color-bg));
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-header .breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto 0.5rem;
  font-size: 0.85rem;
  opacity: 0.8;
  position: relative;
  z-index: 1;
}

.page-header .breadcrumb a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
}

.page-header .breadcrumb a:hover {
  color: white;
}

/* ========== SIDEBAR ========== */
.sidebar-nav {
  position: sticky;
  top: 80px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

.sidebar-nav h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-nav li {
  margin-bottom: 0.25rem;
}

.sidebar-nav a {
  display: block;
  padding: 0.4rem 0.75rem;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.88rem;
  border-radius: var(--radius);
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: rgba(45,106,79,0.08);
  color: var(--color-primary);
  border-left-color: var(--color-primary-light);
}

.sidebar-nav a.active {
  background: rgba(45,106,79,0.12);
  color: var(--color-primary);
  border-left-color: var(--color-gold);
  font-weight: 600;
}

.sidebar-nav .nav-section {
  margin-top: 1rem;
}

/* ========== CARDS ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-shadow);
  border-color: var(--color-gold);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-icon.green { background: rgba(45,106,79,0.12); }
.card-icon.gold { background: rgba(200,169,81,0.15); }
.card-icon.blue { background: rgba(74,144,217,0.12); }
.card-icon.red { background: rgba(192,57,43,0.1); }

.card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition);
}

.card-link:hover {
  color: var(--color-gold-dark);
  gap: 0.6rem;
}

/* ========== CONTENT SECTIONS ========== */
.section {
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-primary-dark);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title .icon {
  font-size: 1.3rem;
}

/* Guide content blocks */
.guide-block {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.guide-block h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.guide-block h4 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin: 1rem 0 0.5rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--color-gold);
}

.guide-block p {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

.guide-block ul,
.guide-block ol {
  margin: 0.5rem 0 0.75rem 1.5rem;
}

.guide-block li {
  margin-bottom: 0.35rem;
  line-height: 1.7;
}

/* Step-by-step */
.step-list {
  counter-reset: step;
  list-style: none;
  margin-left: 0 !important;
}

.step-list li {
  counter-increment: step;
  padding: 0.75rem 0.75rem 0.75rem 3.5rem;
  position: relative;
  margin-bottom: 0.5rem;
  background: rgba(45,106,79,0.04);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-primary-light);
}

.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: bold;
}

/* Tips / Warnings */
.tip-box, .warning-box, .info-box {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin: 1rem 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

.tip-box {
  background: rgba(45,106,79,0.08);
  border-left: 4px solid var(--color-primary);
}

.tip-box::before {
  content: '💡 小贴士：';
  font-weight: 600;
  color: var(--color-primary);
}

.warning-box {
  background: rgba(192,57,43,0.06);
  border-left: 4px solid var(--color-red);
}

.warning-box::before {
  content: '⚠️ 注意：';
  font-weight: 600;
  color: var(--color-red);
}

.info-box {
  background: rgba(74,144,217,0.08);
  border-left: 4px solid var(--color-blue);
}

.info-box::before {
  content: 'ℹ️ 信息：';
  font-weight: 600;
  color: var(--color-blue);
}

/* Data tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--color-primary-dark);
  color: white;
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
}

.data-table th:first-child {
  border-radius: var(--radius) 0 0 0;
}

.data-table th:last-child {
  border-radius: 0 var(--radius) 0 0;
}

.data-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
}

.data-table tr:nth-child(even) {
  background: rgba(45,106,79,0.03);
}

.data-table tr:hover {
  background: rgba(45,106,79,0.08);
}

/* Tags */
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  vertical-align: middle;
}

.tag-green { background: rgba(45,106,79,0.12); color: var(--color-primary); }
.tag-gold { background: rgba(200,169,81,0.15); color: var(--color-gold-dark); }
.tag-blue { background: rgba(74,144,217,0.12); color: var(--color-blue); }
.tag-red { background: rgba(192,57,43,0.1); color: var(--color-red); }

/* Difficulty stars */
.difficulty {
  color: var(--color-gold);
  letter-spacing: 2px;
  font-size: 0.9rem;
}

/* ========== ACCORDION (for FAQ/Shrine list) ========== */
.accordion-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  background: var(--color-bg-card);
  border: none;
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  text-align: left;
}

.accordion-header:hover {
  background: rgba(45,106,79,0.06);
}

.accordion-header .arrow {
  transition: transform 0.3s ease;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.accordion-item.open .accordion-header {
  background: rgba(45,106,79,0.08);
  color: var(--color-primary);
  font-weight: 600;
}

.accordion-item.open .accordion-header .arrow {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.accordion-body-inner {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ========== RECIPE CARDS ========== */
.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.recipe-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: var(--transition);
}

.recipe-card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 4px 16px var(--color-shadow);
}

.recipe-card h4 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.recipe-card .ingredients {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.recipe-card .effect {
  font-size: 0.85rem;
  font-weight: 600;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 3rem 1.5rem 1.5rem;
  margin-top: 3rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: white;
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.25rem 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--color-gold);
}

.footer-disclaimer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 0 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.45);
}

.footer-disclaimer strong {
  color: rgba(255,255,255,0.65);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 1rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ========== BACK TO TOP ========== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-gold);
  transform: translateY(-2px);
}

/* ========== SEARCH (simple) ========== */
.search-box {
  position: relative;
  margin-bottom: 1.5rem;
}

.search-box input {
  width: 100%;
  padding: 0.7rem 1rem 0.7rem 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-body);
  background: var(--color-bg-card);
  color: var(--color-text);
  transition: var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45,106,79,0.1);
}

.search-box .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .page-container {
    flex-direction: column;
  }

  .page-sidebar {
    width: 100%;
    order: -1;
  }

  .sidebar-nav {
    position: static;
    max-height: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    padding: 1rem;
    gap: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    padding: 2.5rem 1rem;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .data-table {
    font-size: 0.8rem;
  }

  .data-table th,
  .data-table td {
    padding: 0.5rem 0.6rem;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 1rem;
  }

  .site-logo .logo-text {
    font-size: 1.15rem;
  }

  .hero h1 {
    font-size: 1.4rem;
  }

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

/* ========== PRINT ========== */
@media print {
  .site-header, .site-footer, .page-sidebar, .back-to-top, .menu-toggle {
    display: none !important;
  }

  .page-container {
    display: block;
  }

  body {
    background: white;
    color: black;
  }

  .guide-block, .card {
    break-inside: avoid;
    border: 1px solid #ccc;
  }
}

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

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

.animate-in:nth-child(2) { animation-delay: 0.1s; }
.animate-in:nth-child(3) { animation-delay: 0.2s; }
.animate-in:nth-child(4) { animation-delay: 0.3s; }
.animate-in:nth-child(5) { animation-delay: 0.4s; }
.animate-in:nth-child(6) { animation-delay: 0.5s; }

/* ========== UTILITY ========== */
.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-green { color: var(--color-primary); }
.text-red { color: var(--color-red); }
.text-blue { color: var(--color-blue); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none; }

/* ========== AD CONTAINERS ========== */
.ad-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.ad-banner {
  margin-top: 1rem;
  min-height: 90px;
}

.ad-incontent {
  margin: 2rem 0;
  min-height: 250px;
}

.ad-container ins {
  display: block;
  min-height: 90px;
  background: rgba(45,106,79,0.03);
  border-radius: var(--radius);
}

.ad-container::before {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-light);
  text-align: right;
  margin-bottom: 0.25rem;
  opacity: 0.5;
}

@media print {
  .ad-container { display: none !important; }
}