:root {
  --bg:#0f1720;
  --panel:#0b1220;
  --muted:#9aa6b2;
  --accent:#1db954;
  --accent-2:#00b4d8;
  --glass: rgba(255,255,255,0.03);
  --card: linear-gradient(135deg, rgba(255,255,255,0.02), rgba(0,0,0,0.06));
  --radius:12px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

* { box-sizing:border-box }
html,body,#app { height:100%; margin:0; background:var(--bg); color:#e6eef6 }
.app { display:flex; height:100vh; overflow:hidden }

/* Sidebar */
.sidebar {
  width:220px;
  background:linear-gradient(180deg,#081018, #071018);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:14px
}
.logo { font-weight:800; color:var(--accent); font-size:20px; letter-spacing:1px }
.nav { display:flex; flex-direction:column; gap:8px }
.nav-btn {
  background:transparent;
  border:none;
  color:var(--muted);
  padding:8px 6px;
  text-align:left;
  border-radius:8px;
  cursor:pointer
}
.nav-btn:hover { background:var(--glass); color:#fff }
.playlists { margin-top:12px; color:var(--muted); font-size:14px }
.playlists ul { list-style:none; padding:0; margin:8px 0 }
.playlists li { padding:6px 0; color:var(--muted) }
.sidebar-footer { margin-top:auto; font-size:12px; color:var(--muted) }

/* Main */
.main { flex:1; padding:20px; overflow:auto }
.header { display:flex; justify-content:flex-end; padding-bottom:8px }
.header input {
  width:320px;
  padding:8px;
  border-radius:8px;
  border:0;
  background:rgba(255,255,255,0.03);
  color:#e6eef6
}

.view { display:none }
.view.active { display:block }

/* Artists & Songs */
.artists-row { display:flex; gap:14px; margin-bottom:18px; flex-wrap:wrap }
.artist-card {
  width:200px;
  background:var(--card);
  padding:12px;
  border-radius:10px;
  color:#e6eef6;
  display:flex;
  flex-direction:column;
  gap:8px;
  align-items:flex-start
}
.artist-art {
  width:100%;
  height:100px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:22px; color:#021018
}
.artist-name { font-weight:700 }
.artist-meta { font-size:13px; color:var(--muted) }

.songs-table { width:100%; border-collapse:collapse; margin-top:8px; color:#e6eef6 }
.songs-table th { color:var(--muted); text-align:left; padding:8px }
.songs-table td { padding:8px; border-top:1px solid rgba(255,255,255,0.02) }
.play-row-btn {
  padding:6px 8px;
  border-radius:8px;
  border:0;
  background:var(--accent);
  color:#021018;
  cursor:pointer
}

/* Player */
.player {
  position:fixed;
  left:240px;
  right:20px;
  bottom:16px;
  background:rgba(5,10,12,0.6);
  backdrop-filter:blur(6px);
  border-radius:14px;
  padding:10px 14px;
  display:flex;
  align-items:center;
  gap:18px;
  box-shadow:0 6px 20px rgba(0,0,0,0.6)
}
.player-left { display:flex; align-items:center; gap:12px }
.player-art {
  width:56px; height:56px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2))
}
.player-meta { min-width:160px }
.player-meta #player-title { font-weight:700 }
.icon-btn { background:transparent; border:0; color:#fff; cursor:pointer; padding:6px }
.play-btn {
  background:var(--accent);
  color:#021018;
  border:0;
  border-radius:50%;
  width:44px;
  height:44px;
  font-weight:700;
  cursor:pointer;
}

.player-center { flex:1 }
.controls { display:flex; align-items:center; justify-content:center; gap:8px; margin-bottom:8px }
.progress { display:flex; align-items:center; gap:8px }
.progress input[type="range"] { flex:1 }
.player-right { min-width:120px; text-align:right; color:var(--muted) }

/* Crowdfund */
.crowdfund-grid { display:grid; grid-template-columns:2fr 1fr; gap:18px }
.campaigns .campaign { background:var(--panel); padding:12px; border-radius:10px; margin-bottom:12px }
.progress-bar { height:10px; background:rgba(255,255,255,0.05); border-radius:6px; overflow:hidden }
.progress-fill { height:100%; background:linear-gradient(90deg,var(--accent),var(--accent-2)); width:0% }
.campaign-form label { display:block; margin-top:8px }
.campaign-form input, .campaign-form select {
  width:100%; padding:8px; border-radius:8px; border:0;
  background:rgba(255,255,255,0.03); color:#e6eef6
}
.campaign-form button {
  margin-top:8px;
  padding:8px 10px;
  border-radius:8px;
  border:0;
  background:var(--accent);
  color:#021018;
  cursor:pointer
}
.info { font-size:13px; color:var(--muted); margin-top:12px }

/* Wallet buttons */
.connect-btn, .disconnect-btn {
  background:#1db954;
  color:white;
  border:none;
  border-radius:20px;
  padding:8px 16px;
  margin-left:12px;
  cursor:pointer;
  font-weight:bold;
  transition:background 0.2s;
}
.connect-btn:hover, .disconnect-btn:hover { background:#17a74a }
.disconnect-btn { background:#e74c3c }
.disconnect-btn:hover { background:#c0392b }

/* ------------------ */
/* ✅ Responsive Fixes */
/* ------------------ */
@media (max-width: 768px) {
  /* Sidebar → Top Nav */
  .sidebar {
    width:100%; height:auto;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:0.5rem;
    position:sticky; top:0;
    z-index:100;
  }
  .nav { flex-direction:row; gap:0.5rem; flex-wrap:wrap }
  .playlists, .sidebar-footer { display:none }

  /* Main */
  .main { padding:0.5rem }
  h2 { font-size:1.1rem }
  .songs-table th, .songs-table td { padding:0.3rem; font-size:0.85rem }

  /* Player stacked */
  .player {
    position:fixed;
    left:0; right:0; bottom:0;
    flex-direction:column;
    text-align:center;
    padding:0.6rem;
    border-radius:0;
  }
  .player-left, .player-center, .player-right {
    width:100%;
    margin:0.2rem 0;
    justify-content:center;
  }
  .player-meta { font-size:0.9rem }
  .controls button { font-size:1rem }
  .progress { flex-direction:column; gap:0.2rem }
  #searchInput { width:100%; font-size:0.9rem; padding:0.4rem }
}

@media (max-width: 480px) {
  .nav-btn { font-size:0.8rem; padding:0.3rem 0.5rem }
  .songs-table { font-size:0.75rem }
  .controls button { font-size:0.9rem }
  .logo { font-size:1rem }
}
/* ------------------ */
/* ✅ Mobile First Fix */
/* ------------------ */
@media (max-width: 768px) {
  /* Sidebar → Top Navbar */
  .sidebar {
    width: 100%;
    height: auto;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
  }

  .main {
    margin-top: 70px; /* push content down so sidebar doesn’t cover it */
    padding: 10px;
  }

  .playlists,
  .sidebar-footer {
    display: none;
  }

  /* Header search + connect button */
  .header {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .header input {
    width: 100%;
  }

  .connect-btn {
    width: 100%;
    margin: 0;
    text-align: center;
  }

  /* Player → stacked */
  .player {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 10px;
    flex-direction: column;
    padding: 12px;
    gap: 10px;
  }

  .player-left,
  .player-center,
  .player-right {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .progress {
    flex-direction: column;
    gap: 6px;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 16px;
  }

  .nav-btn {
    font-size: 12px;
    padding: 6px;
  }

  .play-btn {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}