/* Download Select Page - Cursor Style */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #13131a;
  --bg-card: #1a1a24;
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b8;
  --accent-primary: #00b4d8;
  --accent-secondary: #0096c7;
  --border-color: #2a2a38;
  --hover-bg: #232330;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-y: scroll;
}

/* Navigation */
.nav {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  font-size: 0.95rem;
}

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

/* Download Section */
.download-section {
  flex: 1;
  padding: 4rem 4rem;
}

.download-container {
  max-width: 1280px;
  margin: 0 auto;
}

/* Hero Area */
.download-hero {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  padding: 4rem 0 2rem;
  max-width: 900px;
}

.app-icon {
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-icon img {
  width: 140px;
  height: 140px;
  object-fit: contain;
}

.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: 0.5rem;
}

.app-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.app-description {
  font-size: 1.375rem;
  color: #888;
  line-height: 1.5;
  font-weight: 400;
  margin-bottom: 1.25rem;
}

/* Primary Download */
.download-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 2.25rem;
  background: #e8e8e8;
  color: #1a1a1a;
  border: none;
  border-radius: 50px;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  align-self: flex-start;
}

.download-btn-primary:hover {
  background: #f5f5f5;
  transform: translateY(-1px);
}

.download-icon {
  flex-shrink: 0;
}

/* Version List */
.version-list {
  margin-top: 1rem;
}

.version-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Version Group */
.version-group {
  border-bottom: 1px solid var(--border-color);
}

.version-group:last-child {
  border-bottom: none;
}

.version-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
}

.version-group-header:hover {
  background: rgba(255, 255, 255, 0.02);
}

.group-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.group-expand-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.version-group.expanded .group-expand-icon {
  transform: rotate(90deg);
  color: var(--accent-primary);
}

.group-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.group-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.group-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.version-group-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  opacity: 0;
}

.version-group.expanded .version-group-content {
  max-height: 10000px;
  opacity: 1;
}

.group-show-more-container {
  padding: 1rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  background: transparent;
}

.group-show-more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.group-show-more-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}
}

.show-more-container {
  padding: 2rem 0;
  text-align: center;
}

.show-more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.show-more-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.version-item {
  background: transparent;
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s ease;
}

.version-item:last-child {
  border-bottom: none;
}

.version-item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.version-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1rem;
  cursor: pointer;
  user-select: none;
}

.version-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.version-number {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 80px;
}

.version-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(0, 180, 216, 0.3);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
}

.version-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.version-date {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.version-expand {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.version-item.expanded .version-expand {
  transform: rotate(180deg);
}

.version-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.version-item.expanded .version-content {
  max-height: 1000px;
}

.version-content-inner {
  padding: 0 1rem 1.5rem 1rem;
}

.download-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.download-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.download-link:last-child {
  border-bottom: none;
}

.download-link:hover {
  background: rgba(255, 255, 255, 0.03);
}

.link-left {
  display: flex;
  align-items: center;
  gap: 0;
}

.link-icon {
  display: none;
}

.link-info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.link-name {
  font-weight: 400;
  font-size: 1rem;
  color: var(--text-primary);
}

.link-meta {
  display: none;
}

.link-code {
  display: none;
}

.link-arrow {
  font-size: 1.5rem;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
}

.download-link:hover .link-arrow {
  transform: translateX(0);
  color: var(--text-primary);
}

.changelog {
  padding: 1.5rem 1rem;
  border-top: 1px solid var(--border-color);
}

.changelog-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.changelog-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.changelog-list li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.changelog-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-size: 1.2rem;
}

.changelog-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.changelog-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.changelog-list li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.changelog-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-size: 1.2rem;
}

/* Loading Spinner */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 3rem auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
  padding: 0 4rem;
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .download-hero {
    flex-direction: column;
    max-width: 100%;
  }

  .app-title {
    font-size: 1.5rem;
  }

  .download-btn-primary {
    width: 100%;
  }

  .version-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .version-right {
    width: 100%;
    justify-content: space-between;
  }

  .download-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}