/* CSS Variables */
:root {
  /* Neutral Colors */
  --neutral-900: hsl(227, 75%, 14%);
  --neutral-800: hsl(226, 25%, 17%);
  --neutral-700: hsl(225, 23%, 24%);
  --neutral-600: hsl(226, 11%, 37%);
  --neutral-300: hsl(0, 0%, 78%);
  --neutral-200: hsl(217, 61%, 90%);
  --neutral-100: hsl(0, 0%, 93%);
  --neutral-0: hsl(200, 60%, 99%);

  /* Red Colors */
  --red-400: hsl(3, 86%, 64%);
  --red-500: hsl(3, 71%, 56%);
  --red-700: hsl(3, 77%, 44%);

  /* Gradients */
  --light-gradient: linear-gradient(180deg, #EBF2FC 0%, #EEF8F9 100%);
  --dark-gradient: linear-gradient(180deg, #040918 0%, #091540 100%);

  /* Theme Variables */
  --bg-gradient: var(--light-gradient);
  --card-bg: white;
  --text-primary: var(--neutral-900);
  --text-secondary: var(--neutral-600);
  --border-color: var(--neutral-200);
  --filter-active-bg: var(--neutral-900);
  --filter-active-text: white;
  --filter-inactive-bg: var(--neutral-100);
  --filter-inactive-text: var(--neutral-600);
  --toggle-bg: var(--neutral-900);
  --toggle-icon-light: white; /* Color for icons in light mode */
  --toggle-icon-dark: var(--neutral-900); /* Color for icons in dark mode */
  --remove-btn-text: var(--red-500);
  --remove-btn-hover: var(--red-700);
  --active-indicator: var(--neutral-900);
  --inactive-indicator: var(--neutral-300);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-gradient: var(--dark-gradient);
  --card-bg: var(--neutral-800);
  --text-primary: white;
  --text-secondary: var(--neutral-300);
  --border-color: var(--neutral-700);
  --filter-active-bg: white;
  --filter-active-text: var(--neutral-900);
  --filter-inactive-bg: var(--neutral-700);
  --filter-inactive-text: var(--neutral-300);
  --toggle-bg: white;
  --toggle-icon-light: var(--neutral-900); /* Color for icons in dark mode */
  --toggle-icon-dark: white; /* Color for icons in light mode */
  --remove-btn-text: var(--red-400);
  --remove-btn-hover: var(--red-500);
  --active-indicator: white;
  --inactive-indicator: var(--neutral-600);
}

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

body {
  font-family: 'Noto Sans', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease;
}

.container {
  max-width: 1110px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

/* Header Styles */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.header-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  
}

.logo {
  height: 40px;
  width: auto;
}

.title {
  font-size: 1.5rem;
  font-weight: 700;
}

.theme-toggle {
  background: var(--toggle-bg);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  transform: scale(1.05);
}

.theme-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
  width: 22px;
  height: 22px;
}

/* Light theme: hide sun, show moon */
.light-icon {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0);
}

.dark-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  color: white; /* Moon icon color in light mode */
}

/* Dark theme: show sun, hide moon */
[data-theme="dark"] .light-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  color: var(--neutral-900); /* Sun icon color in dark mode */
}

[data-theme="dark"] .dark-icon {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0);
}

/* Filter Styles */
.filter-container {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-family: 'Noto Sans', sans-serif;
  font-weight: 500;
  cursor: pointer;
  background-color: var(--filter-inactive-bg);
  color: var(--filter-inactive-text);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  opacity: 0.9;
}

.filter-btn.active {
  background-color: var(--filter-active-bg);
  color: var(--filter-active-text);
}

/* Extensions Container */
.extensions-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

/* Extension Card */
.extension-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.extension-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.extension-logo {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--neutral-100);
  flex-shrink: 0;
}

.extension-logo img {
  width: 24px;
  height: 24px;
}

.extension-info {
  flex: 1;
}

.extension-name {
  font-weight: 700;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--active-indicator);
}

.inactive .status-indicator {
  background-color: var(--inactive-indicator);
}

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

.remove-btn {
  background: none;
  border: none;
  color: var(--remove-btn-text);
  font-family: 'Noto Sans', sans-serif;
  font-weight: 500;
  cursor: pointer;
  padding: 0.5rem;
  transition: color 0.2s ease;
}

.remove-btn:hover {
  color: var(--remove-btn-hover);
}

/* Footer */
.attribution {
  font-size: 11px;
  text-align: center;
  padding: 1rem;
  color: var(--text-secondary);
}

.attribution a {
  color: var(--text-primary);
  text-decoration: none;
}

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

/* Responsive Styles */
@media (min-width: 768px) {
  .extensions-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .title {
    font-size: 2rem;
  }
}

@media (min-width: 1024px) {
  .extensions-container {
    grid-template-columns: repeat(3, 1fr);
  }
}