:root[data-theme="dark"] {
  --bg-primary: #080c14;
  --bg-secondary: rgba(13, 17, 23, 0.8);
  --bg-card: rgba(22, 27, 34, 0.6);
  --bg-surface: #0d1117;

  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #484f58;

  --accent-primary: #7c4dff;
  --accent-glow: rgba(124, 77, 255, 0.3);
  --accent-hover: #9e7aff;

  --border-primary: rgba(240, 246, 252, 0.1);
  --border-secondary: rgba(240, 246, 252, 0.05);

  --success: #238636;
  --success-bg: rgba(35, 134, 54, 0.15);
  --warning: #9e6a03;
  --warning-bg: rgba(158, 106, 3, 0.15);
  --error: #da3633;
  --error-bg: rgba(218, 54, 51, 0.15);
  --info: #388bfd;
  --info-bg: rgba(56, 139, 253, 0.15);

  --gradient-hero: linear-gradient(135deg, #080c14 0%, #161b22 100%);
  --glass: blur(12px) saturate(180%);
}

:root[data-theme="light"] {
  --bg-primary: #f6f8fa;
  --bg-secondary: rgba(255, 255, 255, 0.8);
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-surface: #ffffff;

  --text-primary: #1f2328;
  --text-secondary: #57606a;
  --text-muted: #6e7781;

  --accent-primary: #6e40ff;
  --accent-glow: rgba(110, 64, 255, 0.15);
  --accent-hover: #5d32e6;

  --border-primary: rgba(31, 35, 40, 0.15);
  --border-secondary: rgba(31, 35, 40, 0.08);

  --success: #1a7f37;
  --success-bg: #dafbe1;
  --warning: #9a6700;
  --warning-bg: #fff8c5;
  --error: #cf222e;
  --error-bg: #ffebe9;
  --info: #0969da;
  --info-bg: #ddf4ff;

  --gradient-hero: linear-gradient(135deg, #f6f8fa 0%, #eef1f4 100%);
  --glass: blur(12px);
}

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

body {
  font-family:
    "Source Sans 3",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border: 2px solid var(--bg-primary);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.tracker-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-secondary);
  backdrop-filter: var(--glass);
  border-bottom: 1px solid var(--border-primary);
  padding: 0.75rem 0;
}

.tracker-navbar__container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tracker-navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tracker-navbar__title {
  font-family: "Yanone Kaffeesatz", sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(
    to right,
    var(--text-primary),
    var(--accent-primary)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tracker-navbar__actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.tracker-navbar__links {
  list-style: none;
  display: flex;
  gap: 1rem;
}

.tracker-navbar__dropdown {
  position: relative;
}

.tracker-navbar__dropdown > span {
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tracker-navbar__dropdown:hover > span {
  color: var(--text-primary);
  background: var(--border-secondary);
}

.tracker-navbar__dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  min-width: 220px;
  padding: 0.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
}

.tracker-navbar__dropdown:hover .tracker-navbar__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.tracker-navbar__dropdown-menu a {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.95rem;
}

.tracker-navbar__dropdown-menu a:hover {
  background: var(--accent-glow);
  color: var(--accent-primary);
}

.theme-switcher {
  display: flex;
  gap: 0.5rem;
  position: relative;
}

.theme-switcher__button {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-switcher__button:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.color-picker {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  padding: 1rem;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.color-picker__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.color-picker__swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.color-picker__swatch:hover {
  transform: scale(1.2);
}

.color-picker__swatch--active {
  border-color: var(--text-primary);
  box-shadow:
    0 0 0 2px var(--bg-surface),
    0 0 0 4px var(--accent-primary);
}

.tracker-hero {
  padding: 4rem 2rem 3rem;
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--border-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.tracker-hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.1;
  pointer-events: none;
}

.tracker-hero__title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.tracker-hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
}

.tracker-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.tracker-stats__card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  padding: 1.5rem;
  border-radius: 20px;
  backdrop-filter: var(--glass);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease;
}

.tracker-stats__card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
}

.tracker-stats__value {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1.1;
  margin-bottom: 0.25rem;
  text-shadow: 0 0 20px var(--accent-glow);
}

.tracker-stats__label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  color: var(--text-secondary);
}

.tracker-main {
  max-width: 1600px;
  margin: 0 auto;
  padding: 2rem;
}

.tracker-filters {
  margin-bottom: 2rem;
}

.tracker-filters__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  display: block;
}

.tracker-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tracker-chip {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.tracker-chip:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.tracker-chip--active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.tracker-table__controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.tracker-table__search-wrapper {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.tracker-table__search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.tracker-table__search {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.2s ease;
}

.tracker-table__search:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.tracker-table__compare-btn {
  background: var(--accent-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tracker-table__compare-btn:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px var(--accent-glow);
}

.tracker-table__compare-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--text-muted);
}

.tracker-table__compare-count {
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
}

.tracker-table__container {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  overflow: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  max-height: 800px;
}

.tracker-table__main {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.tracker-table__main th {
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 600;
  text-align: left;
  padding: 1rem;
  border-bottom: 2px solid var(--border-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.75rem;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
  cursor: pointer;
  transition: background 0.2s;
}

.tracker-table__main th:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.tracker-table__sort-icon {
  margin-left: 0.5rem;
  font-size: 0.7rem;
  vertical-align: middle;
}

.tracker-table__row {
  border-bottom: 1px solid var(--border-secondary);
  transition: background 0.2s;
  animation: rowEnter 0.4s ease forwards;
  opacity: 0;
  transform: translateY(10px);
}

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

.tracker-table__row:hover {
  background: var(--bg-secondary);
}

.tracker-table__cell {
  padding: 1rem;
  white-space: nowrap;
}

.tracker-table__cell--name {
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: sticky;
  left: 0;
  background: inherit;
  z-index: 5;
  border-right: 1px solid var(--border-secondary);
}

.tracker-checkbox {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
}

.tracker-checkbox:checked {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.tracker-checkbox:checked::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
}

.tracker-checkbox:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.badge {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge--success {
  background: var(--success-bg);
  color: var(--success);
}
.badge--warning {
  background: var(--warning-bg);
  color: var(--warning);
}
.badge--error {
  background: var(--error-bg);
  color: var(--error);
}
.badge--info {
  background: var(--info-bg);
  color: var(--info);
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.modal__content {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: 24px;
  width: 100%;
  max-width: 1200px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  z-index: 10;
}

.modal__header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal__title {
  font-family: "Yanone Kaffeesatz", sans-serif;
  font-size: 2rem;
}

.modal__close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal__body {
  padding: 2rem;
  overflow: auto;
}

@media (max-width: 768px) {
  .tracker-navbar__actions {
    gap: 0.75rem;
  }
  .tracker-navbar__links {
    display: none;
  }
  .tracker-hero__title {
    font-size: 2rem;
  }
  .tracker-stats {
    grid-template-columns: 1fr 1fr;
  }
  .tracker-table__controls {
    flex-direction: column;
    align-items: stretch;
  }
  .tracker-table__search-wrapper {
    max-width: none;
  }
}

.icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: middle;
  fill: currentColor;
}