:root {
  --jf-purple: #8b5cf6;
  --jf-purple-dark: #7c3aed;
  --jf-cyan: #06b6d4;
  /* Neutral dark grays for a modern (Spotify-like) look */
  --bg-0: #0f0f0f;
  --bg-1: #121212;
  --bg-2: #181818;
  --panel: #1b1b1b;
  --muted: #a3a3a3;
  --text: #f5f5f5;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  /* Subtle non-repeating dark gray background, keep accents for components */
  background-color: var(--bg-1);
  background-image: linear-gradient(180deg, var(--bg-1), var(--bg-0));
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: 64px 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  min-height: 100vh;
}

.sidebar {
  grid-area: sidebar;
  background: linear-gradient(180deg, #191919, #121212);
  border-right: 1px solid rgba(255,255,255,0.06);
  padding: 16px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; margin-bottom: 16px;
}
.sidebar .brand img { height: 28px; width: auto; }
.sidebar .brand span {
  font-weight: 700;
  background: linear-gradient(45deg, var(--jf-purple), var(--jf-cyan));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-group { margin-top: 12px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; color: var(--muted); text-decoration: none; transition: .2s; }
.nav-item:hover { background: rgba(139,92,246,0.12); color: #fff; }
.nav-item.active { background: rgba(139,92,246,0.18); color: #fff; }

.header {
  grid-area: header;
  display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(32,32,32,0.7), rgba(18,18,18,0.4));
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 10px 18px;
  position: sticky; top: 0; z-index: 10;
}
.header .actions { display: flex; gap: 8px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 10px; border: 0; cursor: pointer; font-weight: 600;
}
.btn-primary { background: linear-gradient(45deg, var(--jf-purple), var(--jf-purple-dark)); color: #fff; box-shadow: 0 6px 16px rgba(139,92,246,.25); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid rgba(255,255,255,0.08); }

.main {
  grid-area: main;
  padding: 20px 22px 40px;
}

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card {
  background: linear-gradient(180deg, #1f1f1f, #171717);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px; padding: 16px; transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 12px 22px rgba(0,0,0,.3); }
.card h5 { margin: 0 0 8px; font-size: 16px; }
.card .muted { color: var(--muted); font-size: 13px; }

.form-panel { background: linear-gradient(180deg, #141a2b, #101626); border: 1px solid rgba(255,255,255,0.06); border-radius: 16px; padding: 18px; }
.input, .select { width: 100%; background: #0e1424; border: 1px solid rgba(255,255,255,0.08); color: #fff; border-radius: 10px; padding: 10px 12px; }
.input:focus, .select:focus { outline: none; border-color: var(--jf-purple); box-shadow: 0 0 0 3px rgba(139,92,246,.2); }

/* Playlists grid: smaller tiles, multiple per row, max width 350px */
.playlists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 350px));
  gap: 16px;
  justify-content: start; /* pack tiles from the left */
}
.playlists-grid .playlist-item {
  width: 100%;
  max-width: 350px;
}

.kpi { display:flex; align-items:center; gap:12px; }
.kpi .dot { width:10px; height:10px; border-radius: 50%; background: var(--jf-purple); box-shadow: 0 0 10px rgba(139,92,246,.6); }

.badge { display:inline-flex; align-items:center; gap:6px; padding:4px 8px; border-radius:999px; background: rgba(139,92,246,.15); color:#fff; font-size:12px; }

hr.divider { border: 0; height: 1px; background: linear-gradient(90deg, rgba(139,92,246,.25), rgba(255,255,255,.06), rgba(6,182,212,.25)); margin: 18px 0; }

.table { width:100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 12px; border-bottom:1px solid rgba(255,255,255,.06); }
.table th { text-align:left; color: var(--muted); font-weight: 600; }

.toast { position: fixed; right: 20px; bottom: 20px; background: #0e1424; color: #fff; border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 12px 14px; box-shadow: 0 10px 24px rgba(0,0,0,.35); display:none; }
.toast.show { display:block; }