/* ============================================
   深渊迷宫电子探险站 - 主样式表
   CSS前缀: dng-
   设计风格: 暗黑地牢像素风 (Dark Dungeon Pixel)
   ============================================ */

/* --- Google Fonts Import (本地化备用) --- */
@import url('https://fonts.googleapis.com/css2?family=Pixelify+Sans:wght@400;500;600;700&family=DotGothic16&display=swap');

/* --- CSS Variables --- */
:root {
  --dng-color-primary: #0D0D0D;
  --dng-color-secondary: #202020;
  --dng-color-accent: #8B0000;
  --dng-color-gold: #FFD700;
  --dng-color-text-light: #E0E0E0;
  --dng-color-text-dark: #A0A0A0;
  --dng-color-border: #333333;
  --dng-font-pixel-title: 'Pixelify Sans', 'Press Start 2P', monospace;
  --dng-font-pixel-body: 'DotGothic16', 'Courier New', monospace;
  --dng-shadow-pixel: 3px 3px 0px #000;
  --dng-radius: 2px;
  --dng-max-width: 1024px;
}

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

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

body {
  background-color: var(--dng-color-primary);
  color: var(--dng-color-text-light);
  font-family: var(--dng-font-pixel-body);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--dng-color-gold);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--dng-color-accent);
}

ul, ol {
  list-style: none;
}

/* --- Container --- */
.dng-container {
  max-width: var(--dng-max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* --- Typography --- */
.dng-h1-title {
  font-family: var(--dng-font-pixel-title);
  font-size: 2rem;
  color: var(--dng-color-accent);
  text-shadow: var(--dng-shadow-pixel);
  margin-bottom: 1rem;
  line-height: 1.3;
}

h2, .dng-h2 {
  font-family: var(--dng-font-pixel-title);
  font-size: 1.5rem;
  color: var(--dng-color-text-light);
  text-shadow: 2px 2px 0px #000;
  margin-bottom: 0.8rem;
}

h3, .dng-h3 {
  font-family: var(--dng-font-pixel-title);
  font-size: 1.2rem;
  color: var(--dng-color-text-dark);
  margin-bottom: 0.6rem;
}

p {
  margin-bottom: 1rem;
  color: var(--dng-color-text-light);
}

/* --- Header --- */
.dng-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(13, 13, 13, 0.95);
  border-bottom: 2px solid var(--dng-color-accent);
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.dng-header-wrapper {
  max-width: var(--dng-max-width);
  margin: 0 auto;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dng-logo img {
  height: 48px;
  width: auto;
  image-rendering: pixelated;
}

.dng-nav {
  display: flex;
  align-items: center;
}

.dng-nav-list {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.dng-nav-item {
  display: inline-block;
  padding: 6px 10px;
  color: var(--dng-color-text-light);
  font-family: var(--dng-font-pixel-body);
  font-size: 0.8rem;
  border: 2px solid transparent;
  border-radius: var(--dng-radius);
  transition: all 0.2s ease;
}

.dng-nav-item:hover,
.dng-nav-item--current {
  color: var(--dng-color-accent);
  border-color: var(--dng-color-accent);
  text-shadow: 0 0 8px rgba(139, 0, 0, 0.5);
}

.dng-nav-item--current {
  border-bottom: 2px solid var(--dng-color-accent);
}

.dng-mobile-menu-toggle {
  display: none;
  cursor: pointer;
  padding: 8px;
}

.dng-icon-menu {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--dng-color-text-light);
  position: relative;
  border-radius: var(--dng-radius);
}

.dng-icon-menu::before,
.dng-icon-menu::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 3px;
  background: var(--dng-color-text-light);
  border-radius: var(--dng-radius);
}

.dng-icon-menu::before { top: -8px; }
.dng-icon-menu::after { bottom: -8px; }

/* --- Buttons --- */
.dng-button {
  display: inline-block;
  padding: 10px 24px;
  font-family: var(--dng-font-pixel-title);
  font-size: 1rem;
  border: 3px solid var(--dng-color-gold);
  border-radius: var(--dng-radius);
  background: var(--dng-color-secondary);
  color: var(--dng-color-gold);
  cursor: pointer;
  text-shadow: var(--dng-shadow-pixel);
  box-shadow: var(--dng-shadow-pixel);
  transition: all 0.2s ease;
  text-align: center;
}

.dng-button:hover {
  background: var(--dng-color-accent);
  border-color: var(--dng-color-accent);
  color: var(--dng-color-gold);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px #000;
}

.dng-button--primary {
  background: var(--dng-color-accent);
  border-color: var(--dng-color-accent);
  color: #fff;
}

.dng-button--primary:hover {
  background: #a00000;
  border-color: #a00000;
}

.dng-button--large {
  padding: 16px 40px;
  font-size: 1.3rem;
}

/* --- Cards --- */
.dng-card {
  background: var(--dng-color-secondary);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  padding: 16px;
  transition: all 0.3s ease;
  box-shadow: var(--dng-shadow-pixel);
}

.dng-card:hover {
  border-color: var(--dng-color-gold);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.2);
}

.dng-card__image {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  margin-bottom: 12px;
}

.dng-card__title {
  font-family: var(--dng-font-pixel-title);
  font-size: 1rem;
  color: var(--dng-color-gold);
  margin-bottom: 8px;
}

.dng-card__description {
  font-size: 0.85rem;
  color: var(--dng-color-text-dark);
  line-height: 1.6;
}

/* --- Grid Layouts --- */
.dng-grid {
  display: grid;
  gap: 20px;
}

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

/* --- Sections / Modules --- */
.dng-section {
  padding: 60px 0;
}

.dng-section--dark {
  background: var(--dng-color-primary);
}

.dng-section--gray {
  background: var(--dng-color-secondary);
}

.dng-section__title {
  font-family: var(--dng-font-pixel-title);
  font-size: 1.8rem;
  color: var(--dng-color-gold);
  text-align: center;
  text-shadow: var(--dng-shadow-pixel);
  margin-bottom: 2rem;
  position: relative;
}

.dng-section__title::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background: var(--dng-color-accent);
  margin: 12px auto 0;
}

/* --- Module 1: Hero --- */
.dng-module-1 {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('../images/dng-hero-bg.webp') center center / cover no-repeat;
  overflow: hidden;
  margin-top: 64px;
}

.dng-module-1::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.7);
  z-index: 1;
}

.dng-module-1__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  padding: 20px;
}

.dng-module-1__torch {
  display: inline-block;
  font-size: 3rem;
  animation: dng-torch-flicker 1.5s ease-in-out infinite alternate;
  margin-bottom: 1rem;
}

@keyframes dng-torch-flicker {
  0% { text-shadow: 0 0 10px #FFD700, 0 0 20px #FF8C00, 0 0 30px #FF4500; opacity: 0.9; }
  50% { text-shadow: 0 0 15px #FFD700, 0 0 25px #FF8C00, 0 0 40px #FF4500; opacity: 1; }
  100% { text-shadow: 0 0 8px #FFD700, 0 0 18px #FF8C00, 0 0 25px #FF4500; opacity: 0.85; }
}

.dng-module-1__title {
  font-family: var(--dng-font-pixel-title);
  font-size: 2.5rem;
  color: var(--dng-color-gold);
  text-shadow: var(--dng-shadow-pixel);
  margin-bottom: 1rem;
}

.dng-module-1__news {
  background: rgba(32, 32, 32, 0.8);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  padding: 16px;
  margin-top: 1.5rem;
  max-height: 200px;
  overflow-y: auto;
}

.dng-module-1__news-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--dng-color-border);
  font-size: 0.9rem;
  color: var(--dng-color-text-dark);
}

.dng-module-1__news-item:last-child {
  border-bottom: none;
}

.dng-module-1__news-item span {
  color: var(--dng-color-accent);
  margin-right: 8px;
}

/* Fog animation */
.dng-fog {
  position: absolute;
  width: 200%;
  height: 100%;
  top: 0;
  left: -50%;
  background: linear-gradient(90deg, transparent 0%, rgba(160,160,160,0.03) 25%, transparent 50%, rgba(160,160,160,0.05) 75%, transparent 100%);
  animation: dng-fog-drift 20s linear infinite;
  z-index: 1;
  pointer-events: none;
}

@keyframes dng-fog-drift {
  0% { transform: translateX(0); }
  100% { transform: translateX(50%); }
}

/* --- Module 2: Dungeon Generator Entry --- */
.dng-module-2 {
  background: var(--dng-color-secondary);
  text-align: center;
  padding: 60px 16px;
}

.dng-module-2__btn {
  position: relative;
  display: inline-block;
  padding: 20px 50px;
  font-family: var(--dng-font-pixel-title);
  font-size: 1.5rem;
  background: var(--dng-color-primary);
  color: var(--dng-color-gold);
  border: 4px solid var(--dng-color-gold);
  border-radius: var(--dng-radius);
  cursor: pointer;
  text-shadow: var(--dng-shadow-pixel);
  box-shadow: var(--dng-shadow-pixel);
  animation: dng-btn-glow 2s ease-in-out infinite alternate;
  transition: transform 0.1s;
}

.dng-module-2__btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px #000;
  animation: dng-btn-shake 0.1s ease-in-out infinite;
}

@keyframes dng-btn-glow {
  0% { box-shadow: 3px 3px 0px #000, 0 0 10px rgba(255,215,0,0.3); }
  100% { box-shadow: 3px 3px 0px #000, 0 0 25px rgba(255,215,0,0.6); }
}

@keyframes dng-btn-shake {
  0%, 100% { transform: translate(-2px, -2px); }
  25% { transform: translate(-3px, -1px); }
  75% { transform: translate(-1px, -3px); }
}

/* --- Module 3: Leaderboard --- */
.dng-module-3 {
  background: var(--dng-color-primary);
  padding: 60px 16px;
}

.dng-leaderboard {
  max-width: 600px;
  margin: 0 auto;
  background: var(--dng-color-secondary);
  border: 3px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  box-shadow: var(--dng-shadow-pixel);
}

.dng-leaderboard__item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--dng-color-border);
  transition: background 0.2s;
}

.dng-leaderboard__item:hover {
  background: rgba(255, 215, 0, 0.05);
}

.dng-leaderboard__rank {
  font-family: var(--dng-font-pixel-title);
  font-size: 1.2rem;
  color: var(--dng-color-gold);
  width: 40px;
  text-align: center;
}

.dng-leaderboard__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--dng-radius);
  border: 2px solid var(--dng-color-border);
  margin: 0 12px;
  image-rendering: pixelated;
}

.dng-leaderboard__name {
  flex: 1;
  font-size: 0.9rem;
  color: var(--dng-color-text-light);
}

.dng-leaderboard__depth {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-accent);
  font-size: 0.9rem;
}

/* --- Module 4: Monster Encyclopedia --- */
.dng-module-4 {
  background: var(--dng-color-secondary);
  padding: 60px 16px;
}

.dng-monster-card {
  position: relative;
  overflow: hidden;
}

.dng-monster-card__image {
  transition: filter 0.3s;
}

.dng-monster-card:hover .dng-monster-card__image {
  filter: brightness(1.2) contrast(1.1);
}

.dng-monster-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, transparent 60%, rgba(0,0,0,0.8) 100%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.dng-monster-card:hover::after {
  opacity: 1;
}

/* --- Module 5: Equipment Forge --- */
.dng-module-5 {
  background: var(--dng-color-primary);
  padding: 60px 16px;
  position: relative;
}

.dng-equip-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--dng-color-secondary);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  margin-bottom: 12px;
  transition: border-color 0.3s;
}

.dng-equip-item:hover {
  border-color: var(--dng-color-gold);
}

.dng-equip-item__icon {
  width: 64px;
  height: 64px;
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  image-rendering: pixelated;
  flex-shrink: 0;
}

.dng-equip-item__info {
  flex: 1;
}

.dng-equip-item__name {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-gold);
  font-size: 1rem;
  margin-bottom: 4px;
}

.dng-equip-item__stats {
  font-size: 0.8rem;
  color: var(--dng-color-text-dark);
}

/* --- Module 6: Guide Articles --- */
.dng-module-6 {
  background: var(--dng-color-secondary);
  padding: 60px 16px;
}

.dng-article-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--dng-color-border);
  transition: background 0.2s;
}

.dng-article-item:hover {
  background: rgba(139, 0, 0, 0.05);
}

.dng-article-item__thumb {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  flex-shrink: 0;
}

.dng-article-item__title {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-accent);
  font-size: 1rem;
  margin-bottom: 6px;
}

.dng-article-item__title a {
  color: var(--dng-color-accent);
}

.dng-article-item__title a:hover {
  color: var(--dng-color-gold);
}

.dng-article-item__excerpt {
  font-size: 0.85rem;
  color: var(--dng-color-text-dark);
}

/* --- Module 7: Adventurer Profiles --- */
.dng-module-7 {
  background: var(--dng-color-primary);
  padding: 60px 16px;
}

.dng-search-box {
  display: flex;
  gap: 8px;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.dng-search-box__input {
  flex: 1;
  padding: 10px 16px;
  background: var(--dng-color-secondary);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  color: var(--dng-color-text-light);
  font-family: var(--dng-font-pixel-body);
  font-size: 0.9rem;
  outline: none;
}

.dng-search-box__input:focus {
  border-color: var(--dng-color-gold);
}

.dng-avatar-list {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.dng-avatar-card {
  text-align: center;
  flex-shrink: 0;
}

.dng-avatar-card__img {
  width: 80px;
  height: 80px;
  border-radius: var(--dng-radius);
  border: 2px solid var(--dng-color-border);
  image-rendering: pixelated;
  transition: border-color 0.3s;
}

.dng-avatar-card:hover .dng-avatar-card__img {
  border-color: var(--dng-color-gold);
}

.dng-avatar-card__name {
  font-size: 0.75rem;
  color: var(--dng-color-text-dark);
  margin-top: 6px;
}

/* --- Module 8: Pixel Gallery --- */
.dng-module-8 {
  background: var(--dng-color-secondary);
  padding: 60px 16px;
}

.dng-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.dng-gallery-item {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
}

.dng-gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.3s;
}

.dng-gallery-item:hover img {
  transform: scale(1.05);
}

.dng-gallery-item__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px;
  background: rgba(13, 13, 13, 0.8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transform: translateY(100%);
  transition: transform 0.3s;
}

.dng-gallery-item:hover .dng-gallery-item__overlay {
  transform: translateY(0);
}

.dng-gallery-item__overlay button {
  background: none;
  border: 1px solid var(--dng-color-text-dark);
  color: var(--dng-color-text-dark);
  padding: 4px 8px;
  font-family: var(--dng-font-pixel-body);
  font-size: 0.7rem;
  cursor: pointer;
  border-radius: var(--dng-radius);
}

.dng-gallery-item__overlay button:hover {
  border-color: var(--dng-color-gold);
  color: var(--dng-color-gold);
}

/* --- Module 9: Boss Battle Video --- */
.dng-module-9 {
  background: var(--dng-color-primary);
  padding: 60px 16px;
}

.dng-video-container {
  max-width: 800px;
  margin: 0 auto;
}

.dng-custom-video-player {
  width: 100%;
  border: 3px solid var(--dng-color-accent);
  border-radius: var(--dng-radius);
  background: #000;
}

.dng-video-caption {
  margin-top: 12px;
}

.dng-video-caption h3 {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-accent);
  font-size: 1rem;
  margin-bottom: 6px;
}

.dng-video-caption p {
  color: var(--dng-color-text-dark);
  font-size: 0.85rem;
}

/* --- Module 10: Newbie Guide --- */
.dng-module-10 {
  background: var(--dng-color-secondary);
  padding: 60px 16px;
}

.dng-guide-card {
  background: var(--dng-color-primary);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  padding: 20px;
  transition: all 0.3s;
}

.dng-guide-card:hover {
  border-color: var(--dng-color-gold);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.15);
}

.dng-guide-card__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.dng-guide-card__title {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-gold);
  font-size: 1rem;
  margin-bottom: 8px;
}

/* --- Module 11: Graffiti Board --- */
.dng-module-11 {
  background: var(--dng-color-primary);
  padding: 60px 16px;
}

.dng-graffiti-form {
  max-width: 600px;
  margin: 0 auto 2rem;
}

.dng-graffiti-form__input,
.dng-graffiti-form__textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--dng-color-secondary);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  color: var(--dng-color-text-light);
  font-family: var(--dng-font-pixel-body);
  font-size: 0.9rem;
  margin-bottom: 12px;
  outline: none;
  resize: vertical;
}

.dng-graffiti-form__input:focus,
.dng-graffiti-form__textarea:focus {
  border-color: var(--dng-color-gold);
}

.dng-graffiti-form__textarea {
  min-height: 100px;
}

.dng-graffiti-messages {
  max-width: 600px;
  margin: 0 auto;
}

.dng-graffiti-msg {
  padding: 12px;
  background: var(--dng-color-secondary);
  border: 1px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  margin-bottom: 8px;
}

.dng-graffiti-msg__author {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-gold);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.dng-graffiti-msg__text {
  font-size: 0.85rem;
  color: var(--dng-color-text-dark);
}

.dng-graffiti-msg__time {
  font-size: 0.7rem;
  color: #666;
  margin-top: 4px;
}

/* --- Footer --- */
.dng-footer {
  background: var(--dng-color-primary);
  border-top: 3px solid var(--dng-color-accent);
  padding: 40px 16px 20px;
}

.dng-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: var(--dng-max-width);
  margin: 0 auto;
}

.dng-footer__col-title {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-gold);
  font-size: 0.9rem;
  margin-bottom: 16px;
  text-shadow: 2px 2px 0px #000;
}

.dng-footer__link {
  display: block;
  color: var(--dng-color-text-dark);
  font-size: 0.8rem;
  padding: 4px 0;
  transition: color 0.2s;
}

.dng-footer__link:hover {
  color: var(--dng-color-accent);
}

.dng-footer__contact-item {
  font-size: 0.8rem;
  color: var(--dng-color-text-dark);
  padding: 4px 0;
}

.dng-footer__bottom {
  text-align: center;
  padding-top: 20px;
  margin-top: 30px;
  border-top: 1px solid var(--dng-color-border);
  max-width: var(--dng-max-width);
  margin-left: auto;
  margin-right: auto;
}

.dng-footer__copyright {
  font-size: 0.75rem;
  color: #666;
}

.dng-footer__license {
  font-size: 0.7rem;
  color: #555;
  margin-top: 4px;
}

/* --- Breadcrumb --- */
.dng-breadcrumb {
  padding: 12px 0;
  margin-top: 64px;
}

.dng-breadcrumb__list {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.8rem;
}

.dng-breadcrumb__item {
  color: var(--dng-color-text-dark);
}

.dng-breadcrumb__item a {
  color: var(--dng-color-text-dark);
}

.dng-breadcrumb__item a:hover {
  color: var(--dng-color-gold);
}

.dng-breadcrumb__separator {
  color: #555;
}

/* --- Content Page Layout --- */
.dng-content-page {
  margin-top: 64px;
  min-height: calc(100vh - 200px);
}

.dng-content-main {
  padding: 40px 0;
}

.dng-content-sidebar {
  background: var(--dng-color-secondary);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  padding: 20px;
  margin-bottom: 20px;
}

.dng-sidebar__title {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-gold);
  font-size: 0.9rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--dng-color-border);
}

.dng-sidebar__link {
  display: block;
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--dng-color-text-dark);
  border-bottom: 1px solid rgba(51,51,51,0.3);
}

.dng-sidebar__link:hover {
  color: var(--dng-color-accent);
}

/* --- FAQ --- */
.dng-faq-item {
  background: var(--dng-color-secondary);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.dng-faq-item__question {
  padding: 14px 16px;
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-gold);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}

.dng-faq-item__question:hover {
  background: rgba(255, 215, 0, 0.05);
}

.dng-faq-item__answer {
  padding: 0 16px 14px;
  font-size: 0.85rem;
  color: var(--dng-color-text-dark);
  display: none;
}

.dng-faq-item--open .dng-faq-item__answer {
  display: block;
}

/* --- Table --- */
.dng-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.dng-table th,
.dng-table td {
  padding: 10px 14px;
  border: 1px solid var(--dng-color-border);
  text-align: left;
  font-size: 0.85rem;
}

.dng-table th {
  background: var(--dng-color-secondary);
  color: var(--dng-color-gold);
  font-family: var(--dng-font-pixel-title);
}

.dng-table td {
  color: var(--dng-color-text-dark);
}

.dng-table tr:hover td {
  background: rgba(255, 215, 0, 0.03);
}

/* --- Dungeon Generator Page --- */
.dng-generator {
  text-align: center;
  padding: 40px 0;
}

.dng-generator__canvas-wrap {
  background: var(--dng-color-secondary);
  border: 3px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  padding: 16px;
  margin: 20px auto;
  max-width: 600px;
}

.dng-generator__canvas {
  width: 100%;
  aspect-ratio: 1/1;
  background: #111;
  border: 2px solid var(--dng-color-border);
  image-rendering: pixelated;
}

.dng-generator__controls {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 20px 0;
}

.dng-generator__label {
  font-family: var(--dng-font-pixel-title);
  color: var(--dng-color-text-dark);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.dng-generator__slider {
  -webkit-appearance: none;
  width: 120px;
  height: 6px;
  background: var(--dng-color-border);
  border-radius: var(--dng-radius);
  outline: none;
}

.dng-generator__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--dng-color-gold);
  border: 2px solid #000;
  cursor: pointer;
}

.dng-generator__log {
  background: var(--dng-color-primary);
  border: 2px solid var(--dng-color-border);
  border-radius: var(--dng-radius);
  padding: 16px;
  max-width: 600px;
  margin: 20px auto;
  max-height: 300px;
  overflow-y: auto;
  text-align: left;
  font-size: 0.8rem;
  color: var(--dng-color-text-dark);
}

.dng-generator__log-entry {
  padding: 4px 0;
  border-bottom: 1px solid rgba(51,51,51,0.3);
}

.dng-generator__log-entry--danger {
  color: var(--dng-color-accent);
}

.dng-generator__log-entry--treasure {
  color: var(--dng-color-gold);
}

.dng-generator__log-entry--info {
  color: var(--dng-color-text-dark);
}

/* --- Responsive --- */
@media (max-width: 1023px) {
  .dng-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dng-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .dng-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .dng-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(13, 13, 13, 0.98);
    padding: 16px;
    border-bottom: 2px solid var(--dng-color-accent);
    z-index: 999;
  }

  .dng-nav--open {
    display: block;
  }

  .dng-nav-list {
    flex-direction: column;
    gap: 8px;
  }

  .dng-nav-item {
    display: block;
    text-align: center;
    padding: 10px;
  }

  .dng-mobile-menu-toggle {
    display: block;
  }

  .dng-module-1__title {
    font-size: 1.5rem;
  }

  .dng-module-2__btn {
    font-size: 1rem;
    padding: 14px 30px;
  }

  .dng-grid--2,
  .dng-grid--3,
  .dng-grid--4 {
    grid-template-columns: 1fr;
  }

  .dng-gallery-grid {
    grid-template-columns: 1fr;
  }

  .dng-footer__grid {
    grid-template-columns: 1fr;
  }

  .dng-article-item {
    flex-direction: column;
  }

  .dng-article-item__thumb {
    width: 100%;
    height: 160px;
  }

  .dng-equip-item {
    flex-direction: column;
    text-align: center;
  }

  .dng-h1-title {
    font-size: 1.4rem;
  }

  h2, .dng-h2 {
    font-size: 1.2rem;
  }

  .dng-section__title {
    font-size: 1.3rem;
  }
}

/* --- Utility Classes --- */
.dng-text-center { text-align: center; }
.dng-text-accent { color: var(--dng-color-accent); }
.dng-text-gold { color: var(--dng-color-gold); }
.dng-mt-1 { margin-top: 0.5rem; }
.dng-mt-2 { margin-top: 1rem; }
.dng-mt-3 { margin-top: 1.5rem; }
.dng-mb-1 { margin-bottom: 0.5rem; }
.dng-mb-2 { margin-bottom: 1rem; }
.dng-mb-3 { margin-bottom: 1.5rem; }
.dng-hidden { display: none; }