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

:root {
  --green: #1DB954;
  --green-hover: #1ed760;
  --black: #121212;
  --dark: #181818;
  --card: #282828;
  --gray: #b3b3b3;
  --light-gray: #a7a7a7;
  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* Header */
.header {
  margin-bottom: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* Filters */
.filters {
  background: var(--dark);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.filter-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray);
  margin-bottom: 8px;
}

#search-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #333;
  background: var(--card);
  color: var(--white);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

#search-input::placeholder {
  color: #666;
}

#search-input:focus {
  border-color: var(--green);
}

/* Slider */
.slider-container {
  padding: 0 8px;
}

.slider-track {
  position: relative;
  height: 4px;
  background: #404040;
  border-radius: 2px;
  margin: 16px 0 8px;
}

.slider-fill {
  position: absolute;
  height: 100%;
  background: var(--green);
  border-radius: 2px;
  pointer-events: none;
}

.slider {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  pointer-events: none;
  margin: 0;
  height: 4px;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
  pointer-events: all;
  border: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  transition: transform 0.1s;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--green);
}

.slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
  pointer-events: all;
  border: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.slider::-moz-range-thumb:hover {
  background: var(--green);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 500;
  color: var(--green);
  margin-top: 4px;
}

/* Sort Dropdown */
#sort-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #333;
  background: var(--card);
  color: var(--white);
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b3b3b3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

#sort-select:focus {
  border-color: var(--green);
}

/* Filter Actions */
.filter-actions {
  display: flex;
  gap: 12px;
  padding-top: 4px;
}

#apply-btn {
  padding: 10px 32px;
  border-radius: 20px;
  border: none;
  background: var(--green);
  color: var(--black);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

#apply-btn:hover {
  background: var(--green-hover);
  transform: scale(1.02);
}

#reset-btn {
  padding: 10px 24px;
  border-radius: 20px;
  border: 1px solid #555;
  background: transparent;
  color: var(--white);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

#reset-btn:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

/* Results */
.results-header {
  margin-bottom: 12px;
}

#results-count {
  font-size: 14px;
  color: var(--gray);
}

.table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead {
  position: sticky;
  top: 0;
}

th {
  text-align: left;
  padding: 12px 16px;
  background: var(--card);
  color: var(--gray);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  user-select: none;
}


td {
  padding: 10px 16px;
  border-bottom: 1px solid #282828;
  white-space: nowrap;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.col-rank {
  width: 50px;
  text-align: center;
}

td:first-child {
  text-align: center;
  color: var(--gray);
  font-size: 13px;
}

.col-title {
  min-width: 200px;
}

.col-artist {
  min-width: 160px;
}

.col-streams {
  min-width: 140px;
  text-align: right;
}

.col-preview {
  min-width: 320px;
  text-align: center;
}

td:nth-child(4),
td:nth-child(5) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.embed-cell {
  text-align: center;
  padding: 8px 12px;
}

.embed-cell iframe {
  border-radius: 12px;
  display: block;
  margin: 0 auto;
}

.no-preview {
  color: #666;
  font-size: 12px;
}

tr {
  vertical-align: middle;
}

/* No Results */
.no-results {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray);
  font-size: 15px;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.pagination button {
  min-width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--gray);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.pagination button:hover {
  background: var(--card);
  color: var(--white);
}

.pagination button.active {
  background: var(--green);
  color: var(--black);
  font-weight: 700;
}

.pagination button:disabled {
  opacity: 0.3;
  cursor: default;
}

.pagination .page-ellipsis {
  color: var(--gray);
  padding: 0 4px;
  font-size: 14px;
}

/* Mobile card layout */
.mobile-cards {
  display: none;
}

.song-card {
  background: var(--dark);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 12px;
}

.song-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.song-card-rank {
  color: var(--gray);
  font-size: 14px;
  font-weight: 700;
  min-width: 28px;
  text-align: center;
  flex-shrink: 0;
  align-self: center;
}

.song-card-embed {
  flex: 1;
  min-width: 0;
}

.song-card-embed iframe {
  width: 100%;
  border-radius: 12px;
  display: block;
}

.song-card-streams {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  padding-left: 40px;
  font-size: 13px;
}

.song-card-streams span {
  color: var(--gray);
}

.song-card-streams strong {
  color: var(--white);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
  .app {
    padding: 16px 12px 32px;
  }

  .filters {
    padding: 16px;
  }

  .filter-actions {
    flex-direction: column;
  }

  #apply-btn, #reset-btn {
    width: 100%;
    text-align: center;
  }

  .slider::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
  }

  .slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
  }

  .table-wrapper {
    display: none;
  }

  .mobile-cards {
    display: block;
  }
}