/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--color-surface-1);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-md);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.brand-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-brand);
  color: var(--color-canvas);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 860px) {
  .nav-links {
    display: flex;
  }
}

.nav-item {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.nav-item:hover {
  color: var(--color-text-primary);
  background-color: var(--color-surface-2);
}

.nav-item.active {
  color: var(--color-brand-text);
  background-color: var(--color-brand-surface);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-select {
  background-color: var(--color-surface-2);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* HERO DISCOVERY SECTION */
.hero-section {
  padding: var(--space-6) 0 var(--space-8);
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-3);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-6);
}

.search-box-wrapper {
  position: relative;
  max-width: 680px;
  margin-bottom: var(--space-6);
}

.search-input {
  width: 100%;
  padding: var(--space-4) var(--space-4) var(--space-4) 48px;
  font-size: var(--font-size-base);
  background-color: var(--color-surface-2);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-brand);
  color: var(--color-canvas);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
}

.btn-primary:hover {
  background-color: var(--color-brand-hover);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-surface-2);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
}

.btn-secondary:hover {
  background-color: var(--color-surface-3);
}

/* SECTION HEADERS & TABS */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.02em;
}

.filter-chips {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-6);
  scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar {
  display: none;
}

.chip {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-surface-2);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.chip:hover {
  background-color: var(--color-surface-3);
  color: var(--color-text-primary);
}

.chip.active {
  background-color: var(--color-brand-surface);
  color: var(--color-brand-text);
  font-weight: var(--font-weight-semibold);
}

/* STATION GRID & CARDS */
.station-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .station-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-5);
  }
}

.station-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--color-surface-1);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  position: relative;
  transition: transform var(--motion-fast) var(--ease-standard),
              background-color var(--motion-fast) var(--ease-standard);
}

.station-card:hover {
  background-color: var(--color-surface-2);
  transform: translateY(-2px);
}

.station-card.is-active {
  background-color: var(--color-surface-3);
}

.station-top {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.station-favicon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.station-favicon {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.station-favicon-fallback {
  color: var(--color-text-muted);
}

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

.station-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.station-location {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.station-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
  margin-bottom: var(--space-4);
}

.station-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.btn-card-play {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background-color: var(--color-brand);
  color: var(--color-canvas);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-card-play:hover {
  background-color: var(--color-brand-hover);
  transform: scale(1.05);
}

.btn-favorite {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-pill);
}

.btn-favorite:hover {
  color: var(--color-text-primary);
}

.btn-favorite.active {
  color: var(--color-danger);
}

/* TOP PERSISTENT AUDIO PLAYER */
.persistent-player {
  position: sticky;
  top: var(--header-height);
  left: 0;
  right: 0;
  height: var(--player-height-desktop);
  background-color: var(--color-surface-elevated);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
  z-index: calc(var(--z-header) - 1);
  display: flex;
  align-items: center;
}

.player-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-4);
}

.player-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 240px;
  max-width: 320px;
  cursor: pointer;
}

.player-cover {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  transition: box-shadow var(--motion-fast) var(--ease-standard);
}

.player-cover.is-playing {
  box-shadow: 0 0 0 2px var(--color-brand);
}

.player-station-info {
  overflow: hidden;
}

.player-station-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--color-text-primary);
}

.player-now-playing {
  font-size: var(--font-size-xs);
  color: var(--color-brand-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-center {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.btn-play-main {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-pill);
  background-color: var(--color-brand);
  color: var(--color-canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--motion-fast) var(--ease-standard),
              background-color var(--motion-fast) var(--ease-standard);
}

.btn-play-main:hover {
  background-color: var(--color-brand-hover);
  transform: scale(1.06);
}

.btn-player-ctrl {
  color: var(--color-text-secondary);
  padding: var(--space-2);
  border-radius: var(--radius-pill);
}

.btn-player-ctrl:hover {
  color: var(--color-text-primary);
}

.player-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.volume-control {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.volume-slider {
  width: 80px;
  accent-color: var(--color-brand);
  cursor: pointer;
}

/* Audio Visualizer Canvas */
.visualizer-canvas {
  width: 80px;
  height: 26px;
}

/* MOBILE PLAYER COMPACT */
@media (max-width: 768px) {
  .persistent-player {
    height: var(--player-height-mobile);
  }
  .player-right, .player-center .btn-player-ctrl {
    display: none;
  }
  .player-inner {
    justify-content: space-between;
  }
  .player-left {
    flex: 1;
    max-width: calc(100% - 60px);
  }
}

/* EXPANDED MOBILE DRAWER */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  background-color: var(--color-surface-1);
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  transform: translateY(100%);
  transition: transform var(--motion-normal) var(--ease-emphasized);
}

.mobile-drawer.is-open {
  transform: translateY(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.drawer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-top: auto;
  margin-bottom: auto;
  width: 100%;
}

.drawer-cover {
  width: 220px;
  height: 220px;
  border-radius: var(--radius-xl);
  background-color: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  overflow: hidden;
  transition: transform var(--motion-normal) var(--ease-standard), box-shadow var(--motion-normal) var(--ease-standard);
}

.drawer-cover.is-playing {
  box-shadow: 0 0 0 4px var(--color-brand-surface), 0 16px 36px rgba(0, 0, 0, 0.6);
  animation: cover-pulse 3s ease-in-out infinite;
}

@keyframes cover-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 4px var(--color-brand-surface), 0 16px 36px rgba(0, 0, 0, 0.6);
  }
  50% {
    transform: scale(1.025);
    box-shadow: 0 0 0 8px var(--color-brand-surface), 0 20px 44px rgba(0, 0, 0, 0.75);
  }
}

.drawer-station-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.drawer-now-playing {
  font-size: var(--font-size-md);
  color: var(--color-brand-text);
  margin-bottom: var(--space-4);
}

.drawer-visualizer-canvas {
  width: 280px;
  height: 56px;
  margin-bottom: var(--space-6);
}

.drawer-controls {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* MAP VIEW */
.map-view-container {
  height: 600px;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface-1);
  position: relative;
  margin-top: var(--space-4);
}

#leaflet-map {
  width: 100%;
  height: 100%;
}

.leaflet-tile {
  filter: brightness(0.6) invert(1) contrast(3) hue-rotate(200deg) saturate(0.3) brightness(0.7) !important;
}

.leaflet-container {
  background-color: var(--color-surface-1) !important;
}

.leaflet-bar a {
  background-color: var(--color-surface-2) !important;
  color: var(--color-text-primary) !important;
  border: none !important;
}

.leaflet-bar a:hover {
  background-color: var(--color-surface-3) !important;
}

/* Toast Message */
.toast-msg {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-surface-elevated);
  box-shadow: var(--shadow-md);
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  z-index: var(--z-toast);
  opacity: 0;
  transition: opacity var(--motion-fast) var(--ease-standard);
  pointer-events: none;
}

.toast-msg.is-visible {
  opacity: 1;
}