@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

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

:root {
  --sidebar-bg:   #121212;
  --main-bg:      #121212;
  --topbar-bg:    #121212;
  --player-bg:    #181818;
  --card-bg:      #1e1e1e;
  --hover-bg:     #282828;
  --active-bg:    #333;
  --border:       rgba(255,255,255,0.08);
  --txt-primary:  #ffffff;
  --txt-secondary:#b3b3b3;
  --txt-muted:    #6a6a6a;
  --accent:       #a855f7;
  --accent2:      #7c3aed;
  --green:        #1db954;
  --sidebar-w:    220px;
  --player-h:     88px;
  --topbar-h:     64px;
  --font:         'Plus Jakarta Sans', sans-serif;
  --r:            8px;
  --ease:         0.18s ease;
}

html, body { height: 100%; overflow: hidden; }

body {
  font-family: var(--font);
  background: var(--main-bg);
  color: var(--txt-primary);
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: 1fr var(--player-h);
  grid-template-areas: "sidebar main" "player player";
}

::-webkit-scrollbar          { width: 4px; height: 4px; }
::-webkit-scrollbar-track    { background: transparent; }
::-webkit-scrollbar-thumb    { background: #444; border-radius: 2px; }

button { font-family: var(--font); cursor: pointer; border: none; background: none; }
svg    { display: block; flex-shrink: 0; }


/* ════════════════════════════════════════
   SIDEBAR
════════════════════════════════════════ */
.sidebar {
  grid-area: sidebar;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.sidebar-logo {
  padding: 24px 20px 16px;
}

.sidebar-logo h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--txt-primary);
}

.sidebar-nav {
  padding: 4px 8px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--txt-secondary);
  transition: background var(--ease), color var(--ease);
  user-select: none;
}

.nav-item:hover              { background: var(--hover-bg); color: var(--txt-primary); }
.nav-item.active             { background: var(--active-bg); color: var(--txt-primary); }
.nav-item svg                { opacity: .75; }
.nav-item.active svg,
.nav-item:hover svg          { opacity: 1; }

.sidebar-divider { height: 1px; background: var(--border); margin: 8px 16px; }

.playlists-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--txt-primary);
}

.btn-add-playlist {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--txt-secondary);
  transition: background var(--ease), color var(--ease);
}

.btn-add-playlist:hover { background: var(--hover-bg); color: var(--txt-primary); }

.sidebar-playlists {
  flex: 1;
  overflow-y: auto;
  padding: 2px 8px 12px;
}

.playlist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--r);
  cursor: pointer;
  font-size: 13px;
  color: var(--txt-secondary);
  transition: background var(--ease), color var(--ease);
}

.playlist-item:hover { background: var(--hover-bg); color: var(--txt-primary); }
.playlist-item.selected { background: var(--hover-bg); color: var(--txt-primary); }

.playlist-item svg { flex-shrink: 0; opacity: .6; }
.playlist-item:hover svg, .playlist-item.selected svg { opacity: 1; }


/* ════════════════════════════════════════
   MAIN
════════════════════════════════════════ */
.main-area {
  grid-area: main;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--main-bg);
}


/* ════════════════════════════════════════
   TOPBAR
════════════════════════════════════════ */
.topbar {
  height: var(--topbar-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: var(--topbar-bg);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--txt-secondary);
  transition: background var(--ease), color var(--ease);
}

.icon-btn:hover { background: var(--hover-bg); color: var(--txt-primary); }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.bell-btn {
  position: relative;
  color: var(--txt-secondary);
}

.bell-btn::after {
  content: '';
  position: absolute;
  top: 6px; right: 6px;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--topbar-bg);
}

.user-welcome {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px 5px 5px;
  border-radius: 100px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--ease);
}

.user-welcome:hover { background: var(--hover-bg); }

.user-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: #555;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  color: var(--txt-primary);
  flex-shrink: 0;
}

.user-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--txt-primary);
  white-space: nowrap;
}

.btn-premium {
  padding: 8px 20px;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--accent2) 0%, var(--accent) 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity var(--ease), transform var(--ease);
}

.btn-premium:hover { opacity: .9; transform: translateY(-1px); }


/* ════════════════════════════════════════
   CONTENT AREA
════════════════════════════════════════ */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 24px 12px;
}

.section { margin-bottom: 28px; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.see-all {
  font-size: 12px;
  font-weight: 600;
  color: var(--txt-muted);
  letter-spacing: .5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--ease);
}

.see-all:hover { color: var(--txt-primary); }

/* Horizontal scroll row */
.scroll-row-wrapper {
  position: relative;
}

.scroll-row {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: 4px;
}

.scroll-row::-webkit-scrollbar { height: 0; }

.arrow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: -8px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--txt-secondary);
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
  transition: background var(--ease), color var(--ease);
  box-shadow: 0 2px 8px rgba(0,0,0,.5);
}

.arrow-btn:hover { background: var(--hover-bg); color: var(--txt-primary); }

/* Two-column bottom sections */
.split-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}


/* ════════════════════════════════════════
   CARDS  — Top Recommendations
════════════════════════════════════════ */
.rec-card {
  flex-shrink: 0;
  width: 148px;
  cursor: pointer;
  transition: transform var(--ease);
}

.rec-card:hover { transform: translateY(-3px); }
.rec-card:hover .rec-card-play { opacity: 1; transform: translateY(0) scale(1); }

.rec-card-art {
  width: 148px; height: 148px;
  border-radius: var(--r);
  overflow: hidden;
  position: relative;
  margin-bottom: 10px;
}

.rec-card-art-inner {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}

.rec-card-art-img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
}

.rec-card-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.15);
  transition: background var(--ease);
}

.rec-card:hover .rec-card-overlay { background: rgba(0,0,0,.4); }

.rec-card-play {
  position: absolute;
  bottom: 10px; right: 10px;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--green);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: translateY(6px) scale(.9);
  transition: opacity var(--ease), transform var(--ease);
  box-shadow: 0 4px 12px rgba(0,0,0,.5);
}

.rec-card-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}

.rec-card-artist {
  font-size: 12px;
  color: var(--txt-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* ════════════════════════════════════════
   CARDS  — Albums & Playlists (split cols)
════════════════════════════════════════ */
.album-card, .pl-card {
  flex-shrink: 0;
  width: 138px;
  cursor: pointer;
  transition: transform var(--ease);
}

.album-card:hover, .pl-card:hover { transform: translateY(-3px); }
.album-card:hover .card-play-fab, .pl-card:hover .card-play-fab { opacity: 1; transform: translateY(0) scale(1); }

.card-art {
  width: 138px; height: 138px;
  border-radius: var(--r);
  position: relative;
  margin-bottom: 10px;
  overflow: hidden;
}

.album-card .card-art { border-radius: var(--r); }
.pl-card   .card-art  { border-radius: 50%; }

.card-art-inner {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  color: rgba(255,255,255,.15);
}

.card-art-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.1);
  transition: background var(--ease);
}

.album-card:hover .card-art-overlay,
.pl-card:hover .card-art-overlay { background: rgba(0,0,0,.4); }

.card-play-fab {
  position: absolute;
  bottom: 10px; right: 10px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--green);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: translateY(6px) scale(.9);
  transition: opacity var(--ease), transform var(--ease);
  box-shadow: 0 4px 12px rgba(0,0,0,.5);
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}

.card-artist {
  font-size: 12px;
  color: var(--txt-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* ════════════════════════════════════════
   PLAYER
════════════════════════════════════════ */
.player {
  grid-area: player;
  height: var(--player-h);
  background: var(--player-bg);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 240px 1fr 220px;
  align-items: center;
  padding: 0 20px;
  gap: 12px;
  z-index: 20;
}

/* Left: track info */
.player-track {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.player-art {
  width: 52px; height: 52px;
  border-radius: 6px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  position: relative;
  overflow: hidden;
}

.player-art-spin {
  position: absolute; inset: 0;
  animation: spinArt 8s linear infinite;
  animation-play-state: paused;
  background: inherit;
  border-radius: 6px;
}

.player.playing .player-art-spin { animation-play-state: running; }

@keyframes spinArt {
  from { transform: rotate(0deg) scale(1.05); }
  to   { transform: rotate(360deg) scale(1.05); }
}

.player-meta { min-width: 0; }

.player-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-artist {
  font-size: 11px;
  color: var(--txt-secondary);
  margin-top: 2px;
}

.player-like {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  color: var(--txt-muted);
  flex-shrink: 0;
  cursor: pointer;
  transition: color var(--ease), transform var(--ease);
  border-radius: 50%;
}

.player-like:hover       { color: #ff4444; transform: scale(1.15); }
.player-like.liked       { color: #ff4444; }

/* Center: controls + progress */
.player-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.controls-btns {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ctrl {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--txt-secondary);
  transition: color var(--ease), transform var(--ease);
}

.ctrl:hover { color: var(--txt-primary); transform: scale(1.1); }
.ctrl.on    { color: var(--txt-primary); }

.ctrl-play {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--txt-primary);
  color: #000;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--ease), box-shadow var(--ease);
}

.ctrl-play:hover {
  transform: scale(1.06);
  box-shadow: 0 0 16px rgba(255,255,255,.25);
}

.progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 400px;
}

.time {
  font-size: 11px;
  color: var(--txt-muted);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  min-width: 28px;
}

.time.end { text-align: right; }

.prog-track {
  flex: 1;
  height: 3px;
  background: #444;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  transition: height var(--ease);
}

.prog-track:hover { height: 5px; }

.prog-fill {
  height: 100%;
  background: var(--txt-primary);
  border-radius: 2px;
  position: relative;
}

.prog-track:hover .prog-fill { background: var(--green); }

.prog-thumb {
  position: absolute;
  right: -5px; top: 50%;
  transform: translateY(-50%) scale(0);
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #fff;
  transition: transform var(--ease);
}

.prog-track:hover .prog-thumb { transform: translateY(-50%) scale(1); }

/* Right: utility icons */
.player-utils {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
}

.util-btn {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--txt-muted);
  transition: color var(--ease), background var(--ease);
}

.util-btn:hover { color: var(--txt-primary); background: var(--hover-bg); }

.vol-row {
  display: flex; align-items: center; gap: 6px;
}

.vol-track {
  width: 68px; height: 3px;
  background: #444;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.vol-fill {
  height: 100%;
  background: var(--txt-secondary);
  border-radius: 2px;
}

.vol-track:hover .vol-fill { background: var(--green); }


/* ════════════════════════════════════════
   TOAST
════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: calc(var(--player-h) + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #282828;
  border: 1px solid rgba(255,255,255,.12);
  color: var(--txt-primary);
  padding: 9px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 50;
  white-space: nowrap;
  backdrop-filter: blur(6px);
}

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


/* ════════════════════════════════════════
   MOBILE
════════════════════════════════════════ */
.mobile-menu-btn {
  display: none;
  width: 32px; height: 32px;
  border-radius: 6px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--txt-secondary);
  align-items: center; justify-content: center;
  cursor: pointer;
}

.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 8;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}

@media (max-width: 860px) {
  body {
    grid-template-columns: 1fr;
    grid-template-areas: "main" "player";
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-w);
    z-index: 9;
    transform: translateX(-100%);
    transition: transform .3s cubic-bezier(.4,0,.2,1);
  }

  .sidebar.open { transform: translateX(0); }

  .sidebar-overlay {
    display: block;
  }

  .sidebar-overlay.active {
    opacity: 1;
    pointer-events: all;
  }

  .mobile-menu-btn { display: flex; }

  .player {
    grid-template-columns: 1fr auto;
  }

  .player-utils { display: none; }

  .split-sections { grid-template-columns: 1fr; }

  .topbar { padding: 0 16px; }
  .content { padding: 16px; }
}

@media (max-width: 560px) {
  .user-name { display: none; }
  .btn-premium { padding: 7px 12px; font-size: 12px; }
  .player-controls { display: none; }
  .player { grid-template-columns: 1fr auto; }
}