/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #060606;
  --surface: #111111;
  --surface-hover: #1a1a1a;
  --border: #222;
  --text: #e8e8e8;
  --text-muted: #777;
  --green: #1db954;
  --green-hover: #1ed760;
  --green-dim: rgba(29, 185, 84, 0.12);
  --radius: 10px;
  --transition: 0.15s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Landing page ---------- */
.landing {
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-container {
  text-align: center;
  max-width: 420px;
  padding: 2rem;
}

.logo-area h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-top: 1rem;
  letter-spacing: -0.5px;
}

.tagline {
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-size: 1.05rem;
}

.login-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 2rem;
  padding: 0.85rem 2rem;
  background: var(--green);
  color: #000;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 50px;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.login-btn:hover {
  background: var(--green-hover);
  transform: scale(1.03);
}

.landing-footnote {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: #555;
}

.scan-progress-wrapper {
  margin-top: 0.5rem;
}

.scan-percent {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.profile-actions {
  display: flex;
  gap: 0.4rem;
}

/* ---------- Dashboard layout ---------- */
.dashboard {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* Header / profile bar */
.profile-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.profile-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.profile-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--green);
}

.profile-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.profile-name small {
  display: block;
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.logout-btn {
  padding: 0.4rem 1rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 50px;
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition);
}

.logout-btn:hover {
  border-color: var(--text);
  color: var(--text);
}

/* Library stats — compact inline row */
.library-stats {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.library-stat {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.4rem 0.9rem;
  transition: border-color var(--transition);
}

.library-stat:hover {
  border-color: #333;
}

.library-stat-number {
  font-size: 1rem;
  font-weight: 800;
  color: var(--green);
}

.library-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Time range tabs */
.time-range-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tab-btn {
  padding: 0.35rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 50px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}

/* Section headers */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  margin-top: 0.5rem;
}

.section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.filter-select {
  padding: 0.35rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 50px;
  font-size: 0.78rem;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 1.6rem;
  transition: all var(--transition);
  max-width: 200px;
}

.filter-select:hover,
.filter-select:focus {
  border-color: var(--green);
}

.filter-select option {
  background: var(--surface);
  color: var(--text);
}

.filter-clear {
  padding: 0.35rem 0.8rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 50px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-clear:hover {
  border-color: var(--text);
  color: var(--text);
}

/* Section cards */
.sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0.75rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  transition: border-color var(--transition);
}

.card:hover {
  border-color: #333;
}

.card h2 {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

.card-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: -0.35rem;
  margin-bottom: 0.6rem;
}

.progress-text {
  display: block;
  margin-bottom: 0.5rem;
}

.progress-bar-container {
  width: 100%;
  height: 4px;
  background: var(--surface-hover);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--green);
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* List items — compact */
.stat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.4rem;
  border-radius: 6px;
  transition: background var(--transition);
}

.stat-item:hover {
  background: var(--surface-hover);
}

.stat-rank {
  width: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  flex-shrink: 0;
}

.stat-img {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
}

.stat-img.round {
  border-radius: 50%;
}

.stat-info {
  min-width: 0;
  flex: 1;
}

.stat-title {
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Genre bars — compact */
.genre-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.genre-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.genre-label {
  width: 120px;
  font-size: 0.78rem;
  text-transform: capitalize;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.genre-bar-container {
  flex: 1;
  height: 6px;
  background: var(--surface-hover);
  border-radius: 3px;
  overflow: hidden;
}

.genre-bar {
  height: 100%;
  background: var(--green);
  border-radius: 3px;
  transition: width 0.5s ease;
}

.genre-count {
  font-size: 0.7rem;
  color: var(--text-muted);
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

/* Momentum category & period tabs */
.momentum-cat,
.momentum-tab {
  padding: 0.35rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 50px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all var(--transition);
}

.momentum-cat.active,
.momentum-cat:hover {
  background: rgba(129, 140, 248, 0.12);
  border-color: #818cf8;
  color: #818cf8;
}

.momentum-tab.active,
.momentum-tab:hover {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}

/* Momentum list */
.momentum-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.momentum-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  transition: background var(--transition);
}

.momentum-item:hover {
  background: var(--surface-hover);
}

.momentum-arrow {
  font-size: 0.85rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.momentum-up {
  color: #4ade80;
}

.momentum-down {
  color: #f87171;
}

.momentum-genre {
  flex: 1;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: capitalize;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.momentum-detail {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

.momentum-pct {
  font-size: 0.78rem;
  font-weight: 700;
  width: 52px;
  text-align: right;
  flex-shrink: 0;
}

.momentum-empty {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 0.5rem;
}

/* Chart containers */
.trends-grid {
  grid-template-columns: 1fr;
}

.card-wide {
  grid-column: 1 / -1;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

.chart-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.searchable-select {
  position: relative;
  min-width: 180px;
  max-width: 260px;
}

.searchable-input {
  width: 100%;
  padding: 0.35rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 50px;
  font-size: 0.78rem;
  outline: none;
  transition: all var(--transition);
  box-sizing: border-box;
}

.searchable-input:hover,
.searchable-input:focus {
  border-color: var(--green);
}

.searchable-input::placeholder {
  color: #666;
}

.searchable-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  max-height: 240px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.searchable-dropdown.open {
  display: block;
}

.searchable-option {
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.searchable-option:hover,
.searchable-option.highlighted {
  background: var(--surface-hover);
  color: var(--text);
}

.searchable-option.active {
  color: var(--green);
}

.searchable-option .genre-count-badge {
  font-size: 0.65rem;
  color: #555;
  margin-left: 0.5rem;
}

.chip-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.5rem;
  min-height: 1.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  background: var(--green-dim);
  border: 1px solid rgba(29, 185, 84, 0.25);
  border-radius: 50px;
  font-size: 0.7rem;
  color: var(--green);
  cursor: default;
}

.chip-remove {
  cursor: pointer;
  font-size: 0.8rem;
  line-height: 1;
  opacity: 0.6;
  transition: opacity var(--transition);
}

.chip-remove:hover {
  opacity: 1;
}

.artist-picker {
  margin-bottom: 0.75rem;
}

.artist-picker .filter-select {
  max-width: 300px;
}

/* Loading / skeleton */
.skeleton {
  height: 36px;
  background: linear-gradient(90deg, var(--surface-hover) 25%, #1f1f1f 50%, var(--surface-hover) 75%);
  background-size: 200% 100%;
  border-radius: 6px;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Responsive */
@media (max-width: 768px) {
  .trends-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .sections-grid {
    grid-template-columns: 1fr;
  }

  .logo-area h1 {
    font-size: 1.8rem;
  }
}