/* ===========================================================
   MusicHub 2000 -- retro dreamcore / vaporwave / late-90s CD aesthetic
   Palette:
     --bg-deep     #140720  night sky / window desktop
     --vapor-pink  #ff2ec4  hot accent, hills
     --vapor-cyan  #00fff2  secondary accent, glow
     --vapor-purple#9b5de5  gradients, mid-tone
     --cream       #fdf3e7  CD label cream, panel body
     --gold        #ffd76a  reflective highlight, active states
   Type:
     display -> 'Press Start 2P' (logo / big headers only)
     chrome  -> 'VT323' (titlebars, buttons, nav)
     data    -> system sans (song lists -- has to stay readable for kids)
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

:root {
  --bg-deep: #140720;
  --vapor-pink: #ff2ec4;
  --vapor-cyan: #00fff2;
  --vapor-purple: #9b5de5;
  --cream: #fdf3e7;
  --gold: #ffd76a;
  --window-border: #fdf3e7;
  --font-display: 'Press Start 2P', monospace;
  --font-chrome: 'VT323', monospace;
  --font-data: -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg-deep);
  color: var(--cream);
  font-family: var(--font-data);
}

/* ---------- ambient bliss.png-style backdrop ---------- */
.sky-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: linear-gradient(180deg, #1a0b3d 0%, #4b1770 35%, #a53fa8 60%, #ff8fd0 85%, #ffd9a8 100%);
}
.sky-bg .sun {
  position: absolute;
  left: 50%;
  top: 14%;
  width: 220px;
  height: 220px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: repeating-linear-gradient(
    180deg,
    var(--gold) 0px, var(--gold) 6px,
    transparent 6px, transparent 12px
  ), radial-gradient(circle, #ffe9b8 0%, var(--gold) 55%, var(--vapor-pink) 100%);
  box-shadow: 0 0 90px 20px rgba(255, 215, 106, 0.55);
  opacity: 0.85;
}
.sky-bg .hills {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(180deg, #ff2ec4 0%, #7a1fb0 100%);
  clip-path: polygon(0% 60%, 12% 40%, 26% 55%, 40% 30%, 55% 50%, 70% 25%, 85% 45%, 100% 30%, 100% 100%, 0% 100%);
  opacity: 0.9;
}
.sky-bg .clouds {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 120px 30px at 15% 25%, rgba(253,243,231,0.5), transparent 70%),
    radial-gradient(ellipse 160px 34px at 75% 18%, rgba(253,243,231,0.4), transparent 70%),
    radial-gradient(ellipse 100px 26px at 45% 12%, rgba(253,243,231,0.35), transparent 70%);
}

/* ---------- CRT scanline overlay ---------- */
.crt-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(0,0,0,0.12) 0px,
    rgba(0,0,0,0.12) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: multiply;
  opacity: 0.5;
}

/* ---------- taskbar / nav ---------- */
.taskbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
  background: linear-gradient(90deg, #2a0a45, #5c1690 60%, #2a0a45);
  border-bottom: 3px solid var(--vapor-cyan);
  box-shadow: 0 2px 20px rgba(0, 255, 242, 0.25);
  font-family: var(--font-chrome);
  font-size: 20px;
}
.taskbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  letter-spacing: 1px;
  color: var(--gold);
  text-shadow: 0 0 8px rgba(255, 215, 106, 0.6);
}
.mini-cd { width: 26px; height: 26px; animation: spin 6s linear infinite; }
.taskbar-nav { display: flex; gap: 18px; flex: 1; flex-wrap: wrap; }
.taskbar-nav a {
  color: var(--cream);
  text-decoration: none;
  padding: 4px 10px;
  border: 2px solid transparent;
  white-space: nowrap;
}
.taskbar-nav a:hover { color: var(--vapor-cyan); }
.taskbar-nav a.active {
  border: 2px solid var(--vapor-cyan);
  color: var(--vapor-cyan);
  background: rgba(0, 255, 242, 0.08);
}
.taskbar-user { display: flex; align-items: center; gap: 12px; }
.user-chip {
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--user-color, var(--vapor-pink));
  color: var(--bg-deep);
  font-weight: bold;
}
.logout-link { color: var(--cream); opacity: 0.7; text-decoration: none; font-size: 16px; }
.logout-link:hover { opacity: 1; text-decoration: underline; }

/* ---------- page layout ---------- */
.page {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}
.page-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  font-family: var(--font-chrome);
  font-size: 16px;
  color: var(--cream);
  opacity: 0.6;
  padding-bottom: 24px;
}

.flash-window {
  font-family: var(--font-chrome);
  font-size: 18px;
  background: rgba(20, 7, 32, 0.85);
  border: 2px solid var(--gold);
  color: var(--gold);
  padding: 10px 16px;
  margin-bottom: 18px;
}
.flash-window p { margin: 2px 0; }

/* ---------- retro OS window chrome (signature element) ---------- */
.window {
  background: var(--cream);
  color: var(--bg-deep);
  border: 2px solid var(--window-border);
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.08);
  overflow: hidden;
  margin-bottom: 24px;
}
.window-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: linear-gradient(90deg, var(--vapor-purple), var(--vapor-pink));
  font-family: var(--font-chrome);
  font-size: 18px;
  color: var(--cream);
  letter-spacing: 0.5px;
}
.window-titlebar .dots { display: flex; gap: 6px; }
.window-titlebar .dots span {
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(253,243,231,0.85);
  display: inline-block;
  border: 1px solid rgba(20,7,32,0.4);
}
.window-body { padding: 20px; }

/* ---------- login page ---------- */
.login-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 20px;
}
.login-cd {
  width: 160px;
  height: 160px;
  margin-bottom: 4px;
  animation: spin 8s linear infinite;
  filter: drop-shadow(0 0 24px rgba(0,255,242,0.45));
}
.login-title {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--gold);
  text-shadow: 3px 3px 0 var(--vapor-pink), 0 0 20px rgba(255,215,106,0.5);
  text-align: center;
  margin: 10px 0 30px;
  line-height: 1.6;
}
.user-picker {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  width: 100%;
  max-width: 480px;
  margin-bottom: 24px;
}
.user-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 10px;
  background: rgba(253,243,231,0.06);
  border: 2px solid var(--user-color);
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-chrome);
  font-size: 18px;
  color: var(--cream);
  transition: transform 0.15s ease, background 0.15s ease;
}
.user-tile:hover, .user-tile.selected {
  background: var(--user-color);
  color: var(--bg-deep);
  transform: translateY(-3px);
}
.user-tile .avatar-disc {
  width: 48px; height: 48px; border-radius: 50%;
  background: conic-gradient(from 90deg, var(--user-color), #fff, var(--user-color));
  border: 2px solid var(--bg-deep);
}
.login-form {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-form input[type=text],
.login-form input[type=password] {
  font-family: var(--font-chrome);
  font-size: 20px;
  padding: 10px 12px;
  border: 2px solid var(--vapor-purple);
  border-radius: 4px;
  background: rgba(253,243,231,0.95);
  color: var(--bg-deep);
}
.login-form input:focus { outline: 3px solid var(--vapor-cyan); outline-offset: 1px; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-chrome);
  font-size: 18px;
  padding: 8px 18px;
  border-radius: 5px;
  border: 2px solid var(--bg-deep);
  background: var(--vapor-cyan);
  color: var(--bg-deep);
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--bg-deep);
  transition: transform 0.1s ease;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--bg-deep); }
.btn:active { transform: translate(1px, 1px); box-shadow: 0 0 0 var(--bg-deep); }
.btn-pink { background: var(--vapor-pink); color: var(--cream); }
.btn-gold { background: var(--gold); }
.btn-ghost { background: transparent; color: var(--cream); border-color: var(--cream); box-shadow: none; }
.btn:focus-visible { outline: 3px solid var(--vapor-purple); outline-offset: 2px; }

/* ---------- library / playlist ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}
.search-box {
  flex: 1;
  min-width: 200px;
  font-family: var(--font-chrome);
  font-size: 18px;
  padding: 8px 12px;
  border: 2px solid var(--vapor-purple);
  border-radius: 4px;
}
.stat-pill {
  font-family: var(--font-chrome);
  font-size: 16px;
  background: rgba(155, 93, 229, 0.15);
  border: 1px solid var(--vapor-purple);
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--cream);
}

.artist-group { margin-bottom: 22px; }
.artist-name {
  font-family: var(--font-chrome);
  font-size: 22px;
  color: var(--vapor-purple);
  border-bottom: 2px dashed var(--vapor-purple);
  padding-bottom: 4px;
  margin-bottom: 6px;
}
.track-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 6px;
  border-radius: 4px;
}
.track-row:nth-child(odd) { background: rgba(20, 7, 32, 0.035); }
.track-row:hover { background: rgba(255, 46, 196, 0.08); }
.track-info { flex: 1; min-width: 0; }
.track-title { font-weight: 600; }
.track-meta { font-size: 12.5px; opacity: 0.65; }

.track-toggle {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid var(--bg-deep);
  font-family: var(--font-chrome);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  background: var(--vapor-cyan);
  color: var(--bg-deep);
}
.track-toggle.added { background: var(--vapor-pink); color: var(--cream); }
.track-toggle:hover { filter: brightness(1.1); }

/* in-browser 15s preview button -- deliberately distinct from +/- so kids
   don't mix up "listen" with "add to my library" */
.preview-btn {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2px solid var(--vapor-purple);
  background: transparent;
  color: var(--vapor-purple);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.12s ease, color 0.12s ease, transform 0.1s ease;
}
.preview-btn:hover { background: var(--vapor-purple); color: var(--cream); }
.preview-btn.playing {
  background: var(--vapor-purple);
  color: var(--cream);
  box-shadow: 0 0 10px 2px rgba(155, 93, 229, 0.6);
  animation: pulse 1.2s ease-in-out infinite;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  font-family: var(--font-chrome);
  font-size: 20px;
  opacity: 0.8;
}

/* ---------- sync page ---------- */
.sync-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.sync-card {
  background: rgba(253,243,231,0.05);
  border: 2px solid var(--vapor-cyan);
  border-radius: 8px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.sync-card h3 {
  font-family: var(--font-chrome);
  font-size: 22px;
  margin: 0;
  color: var(--vapor-cyan);
}
.sync-card p { font-size: 14px; opacity: 0.85; margin: 0; }
.floppy-icon { font-size: 34px; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 6px 1px rgba(155, 93, 229, 0.5); }
  50% { box-shadow: 0 0 14px 4px rgba(155, 93, 229, 0.85); }
}

@media (max-width: 640px) {
  .taskbar { flex-wrap: wrap; gap: 10px; }
  .taskbar-nav { order: 3; width: 100%; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  .mini-cd, .login-cd, .preview-btn.playing { animation: none; }
}