:root {
  --card-border-radius: 1rem;
  --transition-speed: 0.3s;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Google Sans', 'Roboto', sans-serif;
  background: var(--md_body_background);
  color: var(--text-primary);
  line-height: 1.5;
}

.downloads-section {
  padding: 2rem 1rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

h1 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

/* Enhanced Filter Section */
.brand-filters {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.75rem;
  padding: 0 1rem 8px;
  margin-bottom: 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  justify-content: center;
}

.brand-filters::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  padding: 0.75rem 1.25rem;
  border-radius: 2rem;
  background: rgba(24,24,27,0.45);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-btn:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--md_accent_dark_color), var(--md_accent_color));
  color: var(--text-primary);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--md_accent_dark_color), var(--md_accent_color));
  color: var(--text-primary);
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(124, 58, 237, 0.25);
}

/* Device Grid System */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
  padding: 0 1rem;
  max-width: 1400px;
  margin: 0 auto;
  place-items: center;
}

/* Device Cards */
.device-card {
  background: rgba(24,24,27,0.45);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-radius: var(--card-border-radius);
  border: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  animation: fadeIn 0.4s ease-out;
  animation-fill-mode: backwards;
  min-width: 358px;
}

.device-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255,255,255,0.06) inset;
}

.device-header {
  padding: 1.25rem;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.device-thumb {
  width: 48px;
  height: 72px;
  object-fit: contain;
  border-radius: 8px;
  background-color: transparent;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}

.device-info {
  flex-grow: 1;
  overflow: hidden;
}

.device-name {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toggle-btn {
  background: none;
  border: none;
  color: var(--md_accent_color);
  font-size: 1.2rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-speed) ease;
  cursor: pointer;
}

.toggle-btn i.fa-chevron-up {
  transform: rotate(180deg);
}

/* Flavor Cards */
.flavor-card {
  background: rgba(255, 255, 255, 0.06);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  backdrop-filter: saturate(160%) blur(10px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 1rem;
}

.flavor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
}

.flavor-title {
  font-weight: 500;
  color: var(--md_accent_color);
}

.download-btn {
  background: linear-gradient(135deg, var(--md_accent_dark_color), var(--md_accent_color));
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-speed) ease;
  font-weight: 500;
  font-size: 0.9rem;
}

.download-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(124, 58, 237, 0.35);
}

.download-btn:active {
  transform: translateY(0);
}

.version-info {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 0.75rem 1rem;
}

.version-info div {
  margin-bottom: 0.25rem;
}

.version-info div:last-child {
  margin-bottom: 0;
}

/* Loading States */
.loading-state {
  display: none;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  color: var(--text-secondary);
  grid-column: 1 / -1;
  flex-direction: column;
  gap: 1rem;
}

.loading-state i {
  font-size: 2rem;
  color: var(--md_accent_color);
}

.error {
  text-align: center;
  padding: 2rem;
  color: var(--error-red);
  grid-column: 1 / -1;
}

.error i {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.error a {
  color: var(--md_accent_color);
  text-decoration: none;
}

.error a:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .downloads-section {
    padding: 1.5rem 0.5rem;
  }

  h1 {
    font-size: 2rem;
    padding: 0 1rem;
    margin-bottom: 1.5rem;
  }

  .brand-filters {
    gap: 0.5rem;
    padding: 0 1rem 8px;
    margin-bottom: 1.5rem;
  }

  .filter-btn {
    padding: 0.7rem 1.1rem;
    font-size: 0.88rem;
  }

  .downloads-grid {
    grid-template-columns: 1fr;
    padding: 0 0.5rem;
    gap: 1rem;
  }

  .device-header {
    padding: 1rem;
    gap: 0.75rem;
  }

  .device-thumb {
    width: 42px;
    height: 64px;
  }

  .device-name {
    font-size: 1rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .brand-filters {
    gap: 0.65rem;
  }

  .filter-btn {
    padding: 0.7rem 1.1rem;
    font-size: 0.9rem;
  }

  .downloads-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.device-card:nth-child(1) {
  animation-delay: 0.05s;
}

.device-card:nth-child(2) {
  animation-delay: 0.1s;
}

.device-card:nth-child(3) {
  animation-delay: 0.15s;
}

.device-card:nth-child(4) {
  animation-delay: 0.2s;
}

.device-card:nth-child(5) {
  animation-delay: 0.25s;
}

.device-card:nth-child(6) {
  animation-delay: 0.3s;
}

.device-card:nth-child(7) {
  animation-delay: 0.35s;
}

.device-card:nth-child(8) {
  animation-delay: 0.4s;
}

.device-card:nth-child(9) {
  animation-delay: 0.45s;
}

.device-card:nth-child(10) {
  animation-delay: 0.5s;
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.45);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: rgba(24,24,27,0.5);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-radius: var(--card-border-radius);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
  max-width: 600px;
  width: 90%;
  padding: 1rem;
  position: relative;
}

.close-btn {
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-body {
  margin-top: 2rem;
}

/* File Truncation */
.version-info div:nth-child(3) {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.search-container {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.search-wrapper {
  display: flex;
  align-items: center;
  background: rgba(24,24,27,0.45);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  backdrop-filter: saturate(180%) blur(10px);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 16px;
  border-radius: 25px;
  width: 100%;
  max-width: 360px;
}

.search-wrapper i {
  color: var(--md_accent_color);
  font-size: 18px;
  margin-right: 16px;
}

#deviceSearch {
  border: none;
  outline: none;
  width: 100%;
  font-size: 16px;
  color: #fff;
  margin-top: 4px;
  font-family: 'Google Sans', sans-serif;
  background: transparent;
}

.download-btn.disabled {
  background-color: #ccc;
  cursor: not-allowed;
  text-decoration: none;
  padding: 8px 12px;
  display: inline-block;
  border-radius: 5px;
  color: #666;
}

#snackbar {
  visibility: hidden;
  min-width: 250px;
  background-color: #323232;
  color: #fff;
  text-align: center;
  border-radius: 4px;
  padding: 12px;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  z-index: 1000;
}

#snackbar.show {
  visibility: visible;
  animation: fadeIn 0.5s, fadeOut 0.5s 2.5s;
}

@keyframes fadeIn {
  from {
    bottom: 10px;
    opacity: 0;
  }

  to {
    bottom: 20px;
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    bottom: 20px;
    opacity: 1;
  }

  to {
    bottom: 10px;
    opacity: 0;
  }
}

#downloads {
  opacity: 1;
  margin-top: 60px;
}

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