/* ==========================================
   Modern Stylesheet for Darekano-File
   ========================================== */

/* CSS Variables for consistent theming */
:root {
  --primary-color: #ff6600;
  --primary-dark: #cc5200;
  --secondary-color: #333333;
  --accent-color: #fd8;
  --bg-primary: #ffffff;
  --bg-secondary: #ebebeb;
  --bg-dark: #666666;
  --text-primary: #000000;
  --text-light: #666666;
  --border-color: #dddddd;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  --border-radius: 8px;
  --transition-speed: 0.3s;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-dark);
  overflow-y: scroll;
}

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

a {
  color: #006;
  text-decoration: none;
  transition: all var(--transition-speed) ease;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--bg-primary);
  box-shadow: var(--shadow-lg);
}

/* Header */
.site-header {
  background: var(--bg-primary);
  padding: 1.5rem 1rem;
  border-bottom: 3px solid var(--primary-color);
}

.header-content {
  max-width: 1000px;
  margin: 0 auto;
}

.site-title {
  text-align: center;
  margin-bottom: 1.5rem;
}

.site-title img {
  margin: 0 auto;
  max-width: 100%;
}

/* Main Navigation */
.main-nav {
  background: var(--secondary-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem;
}

.main-nav li {
  margin: 0;
}

.main-nav a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: #fff;
  background: transparent;
  border-radius: 4px;
  font-weight: 500;
  transition: all var(--transition-speed) ease;
}

.main-nav a:hover {
  background: var(--primary-color);
  color: #fff;
  transform: translateY(-2px);
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 250px;
  gap: 2rem;
  padding: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

/* Main Content */
.main-content {
  min-width: 0;
}

/* Message Ticker */
.message-ticker {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.ticker-content {
  white-space: nowrap;
  animation: ticker 20s linear infinite;
}

@keyframes ticker {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

.ticker-item {
  font-size: 1.1rem;
  font-weight: 500;
}

/* Image Slider */
.image-slider {
  margin-bottom: 2rem;
}

.slider-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  background: #f5f5f5;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.slider-track {
  position: relative;
  width: 100%;
  aspect-ratio: 421 / 290;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  padding: 1rem;
  cursor: pointer;
  font-size: 1.5rem;
  z-index: 10;
  transition: background var(--transition-speed) ease;
  border-radius: 4px;
}

.slider-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

.slider-btn.prev {
  left: 1rem;
}

.slider-btn.next {
  right: 1rem;
}

.slider-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background var(--transition-speed) ease;
}

.dot.active {
  background: white;
}

/* Sections */
.section-title {
  color: var(--primary-color);
  background: var(--secondary-color);
  padding: 0.75rem 1rem;
  margin: 2rem 0 1rem;
  font-size: 1.2rem;
  border-radius: var(--border-radius);
}

.intro-section {
  margin-bottom: 2rem;
}

.intro-text {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  line-height: 1.8;
}

.intro-text p {
  margin-bottom: 1rem;
}

.intro-text p:last-child {
  margin-bottom: 0;
}

/* Quick Links Grid */
.quick-links {
  margin-bottom: 2rem;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.link-card {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-speed) ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.link-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
  background: var(--accent-color);
}

.link-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.link-card h3 {
  color: var(--secondary-color);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

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

/* Additional Links */
.additional-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  padding: 1rem;
  margin: 2rem 0;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
}

.additional-links a {
  padding: 0.5rem 1rem;
  background: white;
  border-radius: 4px;
  font-size: 0.9rem;
}

/* Search Section */
.search-section {
  margin-bottom: 2rem;
}

.search-container {
  max-width: 600px;
  margin: 1rem auto;
}

.search-input-wrapper {
  display: flex;
  gap: 0.5rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color var(--transition-speed) ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.search-button {
  padding: 0.75rem 1.5rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-speed) ease;
}

.search-button:hover {
  background: var(--primary-dark);
}

/* Sidebar */
.sidebar {
  min-width: 0;
}

.sidebar-section {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  color: var(--primary-color);
  background: var(--secondary-color);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  text-align: center;
}

.sidebar-content {
  padding: 1rem;
  text-align: center;
}

.qr-code {
  margin: 0 auto;
}

.info-text {
  color: var(--text-light);
  font-size: 0.9rem;
}

.browser-recommendation p {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.browser-list {
  list-style: none;
  text-align: left;
}

.browser-list li {
  margin-bottom: 0.5rem;
  padding-left: 1rem;
  position: relative;
}

.browser-list li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary-color);
}

.browser-list a {
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  background: var(--border-color);
  padding: 2rem 1rem;
  text-align: center;
  border-top: 3px solid var(--primary-color);
}

.site-footer p {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.update-info {
  font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 1.5rem;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .slider-btn {
    padding: 0.5rem;
    font-size: 1.2rem;
  }

  .slider-btn.prev {
    left: 0.5rem;
  }

  .slider-btn.next {
    right: 0.5rem;
  }

  .section-title {
    font-size: 1.1rem;
  }

  .additional-links {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  .site-header {
    padding: 1rem 0.5rem;
  }

  .content-grid {
    padding: 0.5rem;
  }

  .intro-text {
    padding: 1rem;
  }

  .link-card {
    padding: 1rem;
  }

  .link-icon {
    font-size: 2rem;
  }
}

/* Print Styles */
@media print {
  .message-ticker,
  .image-slider,
  .search-section,
  .sidebar {
    display: none;
  }

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

  a {
    text-decoration: underline;
  }

  .site-header,
  .site-footer {
    border: none;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles for Keyboard Navigation */
a:focus,
button:focus,
input:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Sidebar Search */
.sidebar-search {
  width: 100%;
}

.sidebar-search .search-input-wrapper {
  display: flex;
  gap: 0.25rem;
}

.sidebar-search .search-input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.85rem;
}

.sidebar-search .search-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.search-button-small {
  padding: 0.5rem 0.75rem;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background var(--transition-speed) ease;
}

.search-button-small:hover {
  background: var(--primary-dark);
}

/* Active Navigation Link */
.main-nav a.active {
  background: var(--primary-color);
  color: white;
}

/* Facebook Link Hover Effect */
.facebook-link:hover {
  background: #166fe5 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(24, 119, 242, 0.3);
}

.sidebar-section svg {
  flex-shrink: 0;
}

/* Dark Mode Support (optional) */
@media (prefers-color-scheme: dark) {
  /* Can be enabled if desired */
  /*
  :root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --text-primary: #ffffff;
    --text-light: #cccccc;
    --border-color: #444444;
  }
  */
}