/**
 * Music Web Player Styles for VSP Portfolio
 * Modern dark aesthetic, typography, and controls
 */

:root {
  --sp-black: #000000;
  --sp-dark-base: #121212;
  --sp-card-bg: #181818;
  --sp-card-hover: #282828;
  --sp-card-active: #333333;
  --sp-border: rgba(255, 255, 255, 0.08);
  --sp-green: #1ed760;
  --sp-green-dark: #1db954;
  --sp-green-glow: rgba(30, 215, 96, 0.35);
  --sp-text-main: #ffffff;
  --sp-text-sub: #b3b3b3;
  --sp-text-muted: #727272;
  --sp-player-height: 90px;
  --sp-header-height: 70px;
}

/* Page Setup */
body.vsp-songs-page {
  background-color: var(--sp-black);
  color: var(--sp-text-main);
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  padding-bottom: calc(var(--sp-player-height) + 20px);
  margin: 0;
  overflow-x: hidden;
}

/* Custom Scrollbars */
body.vsp-songs-page::-webkit-scrollbar,
.sp-sidebar-scroll::-webkit-scrollbar,
.sp-main-view::-webkit-scrollbar {
  width: 10px;
}

body.vsp-songs-page::-webkit-scrollbar-track,
.sp-sidebar-scroll::-webkit-scrollbar-track,
.sp-main-view::-webkit-scrollbar-track {
  background: transparent;
}

body.vsp-songs-page::-webkit-scrollbar-thumb,
.sp-sidebar-scroll::-webkit-scrollbar-thumb,
.sp-main-view::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}

body.vsp-songs-page::-webkit-scrollbar-thumb:hover,
.sp-sidebar-scroll::-webkit-scrollbar-thumb:hover,
.sp-main-view::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* Main Container Layout */
.sp-app-container {
  display: flex;
  min-height: calc(100vh - var(--sp-header-height) - var(--sp-player-height));
  margin-top: var(--sp-header-height);
  padding: 12px 16px 24px;
  gap: 16px;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
}

/* Sidebar */
.sp-sidebar {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sp-sidebar-card {
  background: var(--sp-dark-base);
  border-radius: 10px;
  padding: 16px 18px;
  border: 1px solid var(--sp-border);
}

.sp-sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sp-sidebar-link {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--sp-text-sub);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.sp-sidebar-link i {
  font-size: 1.15rem;
  width: 22px;
  text-align: center;
}

.sp-sidebar-link:hover {
  color: var(--sp-text-main);
  background: rgba(255, 255, 255, 0.05);
}

.sp-sidebar-link.active {
  color: var(--sp-green);
  background: rgba(30, 215, 96, 0.1);
}

.sp-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--sp-text-sub);
}

.sp-sidebar-header h4 {
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sp-sidebar-scroll {
  max-height: 380px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sp-playlist-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.sp-playlist-item:hover {
  background: rgba(255, 255, 255, 0.07);
}

.sp-playlist-item.active {
  background: rgba(30, 215, 96, 0.12);
}

.sp-playlist-thumb {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background: #242424;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
}

.sp-playlist-meta {
  overflow: hidden;
}

.sp-playlist-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--sp-text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0 0 2px 0;
}

.sp-playlist-info {
  font-size: 0.78rem;
  color: var(--sp-text-sub);
  margin: 0;
}

/* Main View Panel */
.sp-main-view {
  flex: 1;
  background: var(--sp-dark-base);
  border-radius: 10px;
  border: 1px solid var(--sp-border);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Playlist Hero Banner */
.sp-hero-header {
  position: relative;
  padding: 40px 32px 28px;
  background: linear-gradient(180deg, rgba(29, 185, 84, 0.45) 0%, rgba(18, 18, 18, 0.85) 75%, var(--sp-dark-base) 100%);
  display: flex;
  align-items: flex-end;
  gap: 28px;
  z-index: 1;
  transition: background 0.5s ease;
}

.sp-hero-cover-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  flex-shrink: 0;
  border-radius: 12px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  background: #1e1e1e;
}

.sp-hero-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.sp-hero-cover-wrap:hover .sp-hero-cover {
  transform: scale(1.04);
}

.sp-hero-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--sp-green);
  text-transform: uppercase;
  border: 1px solid rgba(30, 215, 96, 0.3);
}

.sp-hero-details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--sp-text-main);
  z-index: 2;
}

.sp-hero-type {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sp-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sp-verified-badge {
  color: #38bdf8;
  font-size: 0.85rem;
}

.sp-hero-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 4px 0 8px 0;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.sp-hero-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 680px;
  margin: 0 0 8px 0;
  line-height: 1.45;
}

.sp-hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--sp-text-main);
}

.sp-hero-meta-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.sp-hero-meta a {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.sp-hero-meta a:hover {
  text-decoration: underline;
}

.sp-hero-meta .dot-sep {
  opacity: 0.6;
}

.sp-hero-meta .muted {
  color: var(--sp-text-sub);
}

/* Action Bar */
.sp-action-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 32px 16px;
  background: var(--sp-dark-base);
}

.sp-play-big-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--sp-green);
  border: none;
  color: #000;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(30, 215, 96, 0.4);
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.sp-play-big-btn:hover {
  background: #22e668;
  transform: scale(1.06);
  box-shadow: 0 10px 28px rgba(30, 215, 96, 0.55);
}

.sp-play-big-btn:active {
  transform: scale(0.96);
}

.sp-play-big-btn i {
  margin-left: 2px;
}

.sp-action-icon-btn {
  background: transparent;
  border: none;
  color: var(--sp-text-sub);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
}

.sp-action-icon-btn:hover {
  color: var(--sp-text-main);
  transform: scale(1.08);
}

.sp-action-icon-btn.active {
  color: var(--sp-green);
}

.sp-action-icon-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sp-green);
}

.sp-action-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sp-tag-badge {
  font-size: 0.75rem;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: var(--sp-text-sub);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Tracklist Table */
.sp-tracklist-section {
  padding: 0 32px 32px;
}

.sp-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}

.sp-table thead th {
  color: var(--sp-text-sub);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 14px;
  border-bottom: 1px solid var(--sp-border);
  text-align: left;
}

.sp-table thead th.th-num {
  width: 45px;
  text-align: center;
}

.sp-table thead th.th-time {
  width: 70px;
  text-align: right;
  padding-right: 12px;
}

.sp-table thead th.th-share {
  width: 48px;
  text-align: center;
  padding-right: 18px;
  padding-left: 4px;
}

.sp-row {
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.sp-row:hover {
  background: rgba(255, 255, 255, 0.08);
}

.sp-row.playing {
  background: rgba(30, 215, 96, 0.12);
}

.sp-row td {
  padding: 10px 14px;
  vertical-align: middle;
  border: none;
}

.sp-row td:first-child {
  border-top-left-radius: 6px;
  border-bottom-left-radius: 6px;
}

.sp-row td:last-child {
  border-top-right-radius: 6px;
  border-bottom-right-radius: 6px;
}

/* Number / Play Indicator Column */
.sp-td-num {
  text-align: center;
  color: var(--sp-text-sub);
  font-size: 0.95rem;
  width: 45px;
  position: relative;
}

.sp-num-text {
  display: inline-block;
}

.sp-hover-play {
  display: none;
  color: var(--sp-text-main);
  font-size: 0.95rem;
}

.sp-row:hover .sp-num-text {
  display: none;
}

.sp-row:hover .sp-hover-play {
  display: inline-block;
}

.sp-equalizer-bars {
  display: none;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  height: 16px;
  width: 16px;
  margin: 0 auto;
}

.sp-eq-bar {
  width: 3px;
  background: var(--sp-green);
  border-radius: 1px;
  animation: spEqAnim 1s ease-in-out infinite alternate;
}

.sp-eq-bar:nth-child(1) { height: 14px; animation-delay: 0.1s; }
.sp-eq-bar:nth-child(2) { height: 8px;  animation-delay: 0.35s; }
.sp-eq-bar:nth-child(3) { height: 16px; animation-delay: 0.2s; }
.sp-eq-bar:nth-child(4) { height: 10px; animation-delay: 0.45s; }

@keyframes spEqAnim {
  0% { height: 3px; }
  100% { height: 16px; }
}

.sp-row.playing .sp-num-text {
  display: none;
}

.sp-row.playing .sp-equalizer-bars {
  display: flex;
}

/* Keep the spectrum animation visible when hovering an already playing song */
.sp-row.playing:hover .sp-equalizer-bars {
  display: flex !important;
}

.sp-row.playing:hover .sp-hover-play {
  display: none !important;
}

/* Track Title & Meta */
.sp-td-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sp-track-thumb {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.sp-track-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sp-track-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sp-text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0 0 2px 0;
}

.sp-row.playing .sp-track-name {
  color: var(--sp-green);
}

.sp-track-artist {
  font-size: 0.8rem;
  color: var(--sp-text-sub);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sp-tag-pill {
  font-size: 0.65rem;
  background: rgba(255, 255, 255, 0.15);
  padding: 1px 5px;
  border-radius: 3px;
  color: #fff;
  font-weight: 700;
}

.sp-td-album {
  color: var(--sp-text-sub);
  font-size: 0.88rem;
}

.sp-td-date {
  color: var(--sp-text-sub);
  font-size: 0.84rem;
}

.sp-td-time {
  width: 70px;
  text-align: right;
  color: var(--sp-text-sub);
  font-size: 0.88rem;
  padding-right: 12px !important;
  white-space: nowrap;
  vertical-align: middle;
}

.sp-td-share {
  width: 48px;
  text-align: center;
  padding-right: 18px !important;
  padding-left: 4px !important;
  vertical-align: middle;
}

.sp-row-share-btn {
  background: transparent;
  border: none;
  color: var(--sp-text-sub);
  opacity: 0.85;
  cursor: pointer;
  margin: 0;
  font-size: 0.92rem;
  padding: 6px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.sp-row:hover .sp-row-share-btn {
  color: var(--sp-text-main);
  opacity: 1;
}

.sp-row-share-btn:hover {
  color: var(--sp-green) !important;
  transform: scale(1.2);
  opacity: 1;
}

/* Audio Visualizer Stage */
.sp-visualizer-section {
  padding: 0 32px 24px;
}

.sp-visualizer-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--sp-border);
  border-radius: 10px;
  padding: 12px 16px;
  position: relative;
  overflow: hidden;
}

#sp-audio-canvas {
  width: 100%;
  height: 75px;
  display: block;
  border-radius: 6px;
}

/* Recommended Cards Grid */
.sp-cards-section {
  padding: 0 32px 40px;
}

.sp-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.sp-section-heading h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--sp-text-main);
  margin: 0;
}

.sp-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
  gap: 18px;
}

.sp-card {
  background: var(--sp-card-bg);
  padding: 14px;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  cursor: pointer;
  border: 1px solid transparent;
}

.sp-card:hover {
  background: var(--sp-card-hover);
  border-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.sp-card-cover-wrap {
  width: 100%;
  aspect-ratio: 1/1;
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 14px;
  background: #242424;
}

.sp-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sp-card-play-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--sp-green);
  border: none;
  color: #000;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.sp-card:hover .sp-card-play-btn {
  opacity: 1;
  transform: translateY(0);
}

.sp-card-play-btn:hover {
  transform: scale(1.08) !important;
  background: #24ef6d;
}

.sp-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sp-text-main);
  margin: 0 0 6px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sp-card-desc {
  font-size: 0.8rem;
  color: var(--sp-text-sub);
  margin: 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   Sticky Bottom Player Bar
   ========================================================================== */
.sp-player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--sp-player-height);
  background: #000000;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  z-index: 1050;
  backdrop-filter: blur(12px);
}

/* Left Section: Track Info */
.sp-bar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 200px;
  max-width: 280px;
  flex-shrink: 0;
}

.sp-bar-thumb {
  width: 56px;
  height: 56px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

.sp-bar-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.sp-bar-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--sp-text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0 0 2px 0;
  cursor: pointer;
}

.sp-bar-title:hover {
  text-decoration: underline;
}

.sp-bar-artist {
  font-size: 0.78rem;
  color: var(--sp-text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}

.sp-bar-artist:hover {
  color: var(--sp-text-main);
  text-decoration: underline;
}

/* Center Section: Playback Controls & Progress Slider */
.sp-bar-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
}

.sp-controls-group {
  display: flex;
  align-items: center;
  gap: 18px;
}

.sp-ctrl-btn {
  background: transparent;
  border: none;
  color: var(--sp-text-sub);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
}

.sp-ctrl-btn:hover {
  color: var(--sp-text-main);
}

.sp-ctrl-btn.active {
  color: var(--sp-green);
}

.sp-ctrl-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sp-green);
}

.sp-btn-playpause {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ffffff;
  color: #000000;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.sp-btn-playpause:hover {
  transform: scale(1.08);
  background: #f0f0f0;
}

.sp-btn-playpause:active {
  transform: scale(0.96);
}

.sp-btn-playpause i {
  margin-left: 1px;
}

.sp-progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.sp-time-label {
  font-size: 0.72rem;
  font-family: monospace;
  color: var(--sp-text-sub);
  min-width: 36px;
  text-align: center;
}

/* Scrub Bar Slider */
.sp-slider-wrap {
  position: relative;
  flex: 1;
  height: 14px;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.sp-slider-track {
  position: relative;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 2px;
  overflow: hidden;
  transition: height 0.15s ease;
}

.sp-slider-wrap:hover .sp-slider-track {
  height: 6px;
}

.sp-slider-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: #ffffff;
  border-radius: 2px;
  transition: background 0.15s ease;
}

.sp-slider-wrap:hover .sp-slider-fill {
  background: var(--sp-green);
}

.sp-slider-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ffffff;
  transform: translate(-50%, -50%) scale(0);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  transition: transform 0.15s ease;
  pointer-events: none;
}

.sp-slider-wrap:hover .sp-slider-thumb {
  transform: translate(-50%, -50%) scale(1);
}

/* Fullscreen Immersive Modal */
.sp-fullscreen-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at center, #1b281f 0%, #0a0e0b 60%, #000000 100%);
  z-index: 2000;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px;
  backdrop-filter: blur(24px);
  animation: spFadeIn 0.3s ease;
}

.sp-fullscreen-modal.active {
  display: flex;
}

@keyframes spFadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.sp-fs-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sp-fs-close-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.sp-fs-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.sp-fs-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
}

.sp-fs-cover {
  width: min(340px, 60vw);
  height: min(340px, 60vw);
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sp-fs-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin: 0;
  color: #fff;
}

.sp-fs-artist {
  font-size: 1.15rem;
  color: var(--sp-text-sub);
  margin: 0;
}

/* Toast Notification */
.sp-toast {
  position: fixed;
  bottom: 105px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1ed760;
  color: #000;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 1200;
}

.sp-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Responsive adjustments */
@media (max-width: 991px) {
  .sp-sidebar {
    display: none;
  }
  .sp-app-container {
    padding: 10px;
    margin-top: 65px;
  }
  .sp-hero-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 20px 20px;
  }
  .sp-hero-cover-wrap {
    width: 170px;
    height: 170px;
  }
  .sp-hero-meta {
    justify-content: center;
  }
  .sp-tracklist-section,
  .sp-action-bar,
  .sp-cards-section,
  .sp-visualizer-section {
    padding-left: 16px;
    padding-right: 16px;
  }
  .sp-player-bar {
    padding: 0 16px;
    height: 78px;
    justify-content: space-between;
  }
  .sp-bar-center {
    display: none;
  }
  .sp-mobile-controls {
    display: flex;
    align-items: center;
    gap: 12px;
  }
}

@media (min-width: 992px) {
  .sp-mobile-controls {
    display: none;
  }
}

@media (max-width: 576px) {
  .sp-table thead th.th-album,
  .sp-table thead th.th-date,
  .sp-row td.sp-td-album,
  .sp-row td.sp-td-date {
    display: none;
  }
}

/* ==========================================================================
   Dedicated Single Track View (Individual Track Experience)
   ========================================================================== */
.sp-view-pane {
  animation: spPaneFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes spPaneFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Single Track Top Navigation Bar */
.sp-single-top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(18, 18, 18, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sp-btn-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--sp-text-main);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.sp-btn-back:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateX(-3px);
  color: #ffffff;
}

.sp-single-top-badges {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Single Track Hero */
.sp-single-hero {
  position: relative;
  padding: 40px 32px 30px;
  background: linear-gradient(180deg, rgba(30, 215, 96, 0.3) 0%, rgba(18, 18, 18, 0.9) 75%, var(--sp-dark-base) 100%);
  display: flex;
  align-items: flex-end;
  gap: 32px;
  z-index: 1;
  transition: background 0.4s ease;
}

.sp-single-cover-wrap {
  position: relative;
  width: 230px;
  height: 230px;
  flex-shrink: 0;
  border-radius: 14px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.75), 0 0 35px rgba(30, 215, 96, 0.25);
  overflow: hidden;
  background: #181818;
}

.sp-single-cover-wrap .sp-hero-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.sp-single-cover-wrap:hover .sp-hero-cover {
  transform: scale(1.03);
}

.sp-single-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--sp-text-main);
  z-index: 2;
}

.sp-type-tag {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
  display: inline-block;
}

.sp-single-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.08;
  margin: 4px 0 10px 0;
  letter-spacing: -0.025em;
  color: #ffffff;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.55);
}

.sp-single-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--sp-text-main);
}

/* Single Track Action Bar */
.sp-single-action-bar {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 24px 32px 14px;
  background: var(--sp-dark-base);
}

.sp-single-play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--sp-green);
  border: none;
  color: #000000;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 26px rgba(30, 215, 96, 0.45);
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.sp-single-play-btn:hover {
  background: #22e668;
  transform: scale(1.07);
  box-shadow: 0 10px 30px rgba(30, 215, 96, 0.6);
}

.sp-single-play-btn:active {
  transform: scale(0.96);
}

.sp-single-like-btn.liked i {
  color: #f43f5e;
  font-weight: 900;
}

.sp-single-like-btn:hover {
  transform: scale(1.12);
  color: #f43f5e;
}

/* In-View Single Player & Visualizer Section */
.sp-single-player-section {
  padding: 16px 32px 20px;
}

.sp-single-player-card {
  background: linear-gradient(135deg, rgba(28, 30, 38, 0.8) 0%, rgba(18, 20, 26, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 20px 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.sp-single-player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.sp-single-now-playing-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sp-badge-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--sp-green);
  background: rgba(30, 215, 96, 0.12);
  border: 1px solid rgba(30, 215, 96, 0.28);
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}

.sp-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sp-green);
  box-shadow: 0 0 8px var(--sp-green);
  animation: spDotPulse 1.5s infinite ease-in-out;
}

@keyframes spDotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.sp-single-card-track {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--sp-text-main);
}

.sp-single-audio-specs {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--sp-text-sub);
}

.sp-single-canvas-wrap {
  width: 100%;
  height: 80px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.sp-single-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.sp-single-scrubber-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sp-text-sub);
  font-variant-numeric: tabular-nums;
  user-select: none;
}

.sp-single-scrubber-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  transition: height 0.15s ease;
}

.sp-single-scrubber-bar:hover {
  height: 8px;
}

.sp-single-scrubber-fill {
  height: 100%;
  width: 0%;
  background: var(--sp-green);
  border-radius: 999px;
  pointer-events: none;
  transition: width 0.05s linear;
}

.sp-single-scrubber-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
}

.sp-single-scrubber-bar:hover .sp-single-scrubber-thumb {
  opacity: 1;
}

/* More Tracks by Artist */
.sp-single-more-section {
  padding: 20px 32px;
}

.sp-btn-outline-sm {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--sp-text-main);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sp-btn-outline-sm:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.sp-single-tracks-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.sp-single-track-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.sp-single-track-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.08);
  transform: translateX(4px);
}

.sp-single-track-item.active {
  background: rgba(30, 215, 96, 0.12);
  border-color: rgba(30, 215, 96, 0.25);
}

.sp-sti-index {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--sp-text-sub);
  width: 22px;
  text-align: center;
}

.sp-sti-cover {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

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

.sp-sti-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--sp-text-main);
  margin: 0 0 2px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sp-sti-artist {
  font-size: 0.78rem;
  color: var(--sp-text-sub);
  margin: 0;
}

.sp-sti-duration {
  font-size: 0.82rem;
  color: var(--sp-text-sub);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.sp-sti-action-btn {
  background: transparent;
  border: none;
  color: var(--sp-text-sub);
  font-size: 1rem;
  padding: 6px 10px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sp-sti-action-btn:hover {
  color: var(--sp-text-main);
  transform: scale(1.15);
}

/* About the Artist Card */
.sp-single-artist-section {
  padding: 16px 32px 36px;
}

.sp-single-artist-card {
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(30, 34, 43, 0.85) 0%, rgba(17, 19, 24, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 26px 28px;
  display: flex;
  gap: 26px;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.sp-single-artist-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid rgba(30, 215, 96, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.sp-single-artist-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sp-verified-artist {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #38bdf8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sp-single-artist-text h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
}

.sp-single-artist-text p {
  font-size: 0.88rem;
  color: var(--sp-text-sub);
  line-height: 1.45;
  margin: 0 0 6px 0;
}

.sp-single-artist-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.sp-artist-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

.sp-artist-link-btn:hover {
  background: var(--sp-green);
  border-color: var(--sp-green);
  color: #000000;
  text-decoration: none;
  transform: translateY(-2px);
}

/* Responsive Breakpoints for Single View */
@media (max-width: 768px) {
  .sp-single-hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 18px 20px;
    gap: 20px;
  }

  .sp-single-cover-wrap {
    width: 180px;
    height: 180px;
  }

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

  .sp-single-meta {
    justify-content: center;
  }

  .sp-single-action-bar {
    justify-content: center;
    padding: 16px 18px 10px;
  }

  .sp-single-player-section,
  .sp-single-more-section,
  .sp-single-artist-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .sp-single-artist-card {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }

  .sp-single-artist-links {
    justify-content: center;
  }
}

/* Instagram Story Share Feature */
.sp-story-btn {
  transition: all 0.25s ease !important;
}

.sp-story-btn:hover {
  color: #e1306c !important;
  transform: scale(1.15) !important;
  filter: drop-shadow(0 0 8px rgba(225, 48, 108, 0.6));
}

.sp-story-modal {
  position: fixed;
  inset: 0;
  z-index: 200000 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: spStoryFadeIn 0.25s ease forwards;
}

@keyframes spStoryFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.sp-story-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.sp-story-dialog {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  background: #11151c;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.85), 0 0 32px rgba(225, 48, 108, 0.25);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  z-index: 2;
}

.sp-story-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: #151b26;
  position: sticky;
  top: 0;
  z-index: 10;
}

.sp-story-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.sp-story-ig-icon {
  font-size: 1.35rem;
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sp-story-back-btn,
.sp-story-close-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.sp-story-back-btn i,
.sp-story-close-btn i,
.sp-fs-close-btn i {
  display: inline-block !important;
  color: #ffffff;
  font-size: 1.05rem;
  line-height: 1;
}

.sp-story-back-btn:hover,
.sp-story-close-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #00d679;
  transform: scale(1.08);
}

.sp-story-body {
  padding: 22px;
  display: flex;
  gap: 24px;
  align-items: center;
  overflow-y: auto;
}

@media (max-width: 991px) {
  .sp-story-modal {
    padding: 10px;
    align-items: flex-start;
    overflow-y: auto;
    padding-top: max(14px, env(safe-area-inset-top));
    padding-bottom: max(14px, env(safe-area-inset-bottom));
  }
  .sp-story-dialog {
    max-height: none;
    margin: auto 0;
    border-radius: 20px;
  }
  .sp-story-body {
    flex-direction: column;
    padding: 16px;
    gap: 16px;
  }
  .sp-story-preview-card {
    width: 170px !important;
    height: 302px !important;
  }
}

.sp-story-preview-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.sp-story-preview-card {
  width: 190px;
  height: 338px; /* 9:16 aspect ratio */
  border-radius: 18px;
  background: #090c10;
  position: relative;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8), 0 0 24px rgba(225, 48, 108, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.15);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .sp-story-preview-card {
    width: 210px;
    height: 373px;
  }
}

.sp-story-preview-card canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.sp-story-spinner {
  position: absolute;
  font-size: 2rem;
  color: #e1306c;
}

.sp-story-actions-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  width: 100%;
}

.sp-story-track-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sp-story-label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #00d679;
}

.sp-story-track-info h4 {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
  margin: 0;
  line-height: 1.25;
}

.sp-story-track-info p {
  font-size: 0.88rem;
  color: #94a3b8;
  margin: 0;
}

.sp-story-btn-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sp-story-primary-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #ffffff;
  border: none;
  border-radius: 9999px;
  padding: 13px 22px;
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(220, 39, 67, 0.4);
  transition: all 0.25s ease;
}

.sp-story-primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(220, 39, 67, 0.55);
  filter: brightness(1.08);
}

.sp-story-primary-btn i {
  font-size: 1.2rem;
}

.sp-story-sec-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f1f5f9;
  border-radius: 9999px;
  padding: 11px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sp-story-sec-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  transform: translateY(-1px);
}

.sp-story-cancel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #cbd5e1;
  border-radius: 9999px;
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 2px;
}

.sp-story-cancel-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

.sp-story-steps {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sp-story-step-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: #cbd5e1;
}

.sp-step-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 214, 121, 0.2);
  color: #00d679;
  font-weight: 800;
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}