:root {
  --text: #ffffff;
  --muted: rgba(235, 235, 245, 0.66);
  --faint: rgba(235, 235, 245, 0.42);
  --ok: #34d399;
  --danger: #ff6b81;

  /* Brand gradient: violet, fuchsia, warm coral */
  --grad: linear-gradient(135deg, #7c3aed 0%, #c026d3 100%);
  --grad-text: linear-gradient(180deg, #ffffff 40%, #e4dcff 100%);

  /* Apple-style glass */
  --glass-fill: linear-gradient(180deg, rgba(196, 181, 253, 0.10), rgba(167, 139, 250, 0.04));
  --glass-edge: linear-gradient(180deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0.08));
  --glass-shine: inset 0 1px 0 rgba(255, 255, 255, 0.25);
  --glass-shadow: 0 1px 1px rgba(0, 0, 0, 0.12), 0 12px 40px rgba(4, 2, 12, 0.45);
  --blur: blur(28px) saturate(190%);

  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { background: #07060d; }
body {
  margin: 0 auto;
  max-width: 520px;
  min-height: 100vh;
  padding: max(20px, env(safe-area-inset-top)) 18px max(40px, env(safe-area-inset-bottom));
  color: var(--text);
  font: 400 16px/1.45 var(--font);
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background: transparent;
}

/* Premium backdrop: deep aurora mesh plus fine film grain */
body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  pointer-events: none;
}
body::before {
  inset: 0;
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(124, 58, 237, 0.55), transparent 70%),
    radial-gradient(90% 50% at 100% 105%, rgba(192, 38, 211, 0.30), transparent 70%),
    linear-gradient(180deg, #160b2b 0%, #0b0716 55%, #0d0819 100%);
}
body::after {
  inset: 0;
  opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Glass surface: translucent fill, light-catching gradient rim, top sheen */
.card, .item, .empty, .tabs, .count, .ig, .icon-btn.undo, .btn.secondary {
  border: 1px solid transparent;
  background: var(--glass-fill) padding-box, var(--glass-edge) border-box;
  box-shadow: var(--glass-shine), var(--glass-shadow);
  -webkit-backdrop-filter: var(--blur);
  backdrop-filter: var(--blur);
}

/* Header: the only left/right aligned row */
.dj {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 34px;
}
.dj-name {
  font: 600 12px/1 var(--font);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.dj-name strong { color: var(--text); font-weight: 800; }
.ig {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 15px 9px 12px;
  border-radius: 99px;
  color: var(--text);
  font: 600 14px/1 var(--font);
  text-decoration: none;
  transition: transform 0.15s;
}
.ig svg { color: #e9d5ff; }
.ig:active { transform: scale(0.96); }

/* Centred content */
h1 {
  margin: 0 0 10px;
  text-align: center;
  font: 700 34px/1.08 var(--font-display);
  letter-spacing: -0.03em;
}
.gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sub {
  max-width: 320px;
  margin: 0 auto 26px;
  text-align: center;
  font-size: 15px;
  color: var(--muted);
}
h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 38px 0 14px;
  font: 650 20px/1.2 var(--font-display);
  letter-spacing: -0.02em;
}

/* Form card */
.card {
  position: relative;
  padding: 20px;
  border-radius: var(--radius-lg);
}
h1 + .card, h1 + form.card { margin-top: 26px; }

.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 8px;
  border-radius: 16px;
  box-shadow: var(--glass-shine);
}
.tabs button {
  flex: 1;
  padding: 11px 8px;
  border: 0;
  border-radius: 12px;
  background: none;
  color: var(--muted);
  font: 600 15px/1 var(--font);
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}
.tabs button.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 4px 14px rgba(0, 0, 0, 0.25);
}

label {
  display: block;
  margin: 18px 0 8px;
  text-align: center;
  font: 600 12px/1 var(--font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
input {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.25);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.25);
  color: var(--text);
  font: 500 16px/1.2 var(--font);
  text-align: center;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
input::placeholder { color: var(--faint); font-weight: 400; }
input:focus {
  outline: none;
  border-color: rgba(216, 180, 254, 0.6);
  background: rgba(0, 0, 0, 0.32);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.25), 0 0 0 4px rgba(192, 132, 252, 0.18);
}
input[type="search"]::-webkit-search-cancel-button { display: none; }

.btn {
  position: relative;
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  background: var(--grad);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 10px 28px rgba(124, 58, 237, 0.4);
  color: #fff;
  font: 650 17px/1 var(--font);
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.2s, box-shadow 0.2s;
}
/* glossy top half */
.btn::before {
  content: "";
  position: absolute;
  inset: 0 0 50% 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0));
  pointer-events: none;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; }
.btn.secondary { color: var(--text); }
.btn.secondary::before { display: none; }
.btn.danger {
  background: #e11d48;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 30px rgba(244, 63, 94, 0.3);
}

.msg { margin: 14px 0 0; text-align: center; font: 500 14px/1.3 var(--font); }
.msg:empty { display: none; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--danger); }
.hidden { display: none !important; }

/* Song lists */
.list {
  display: grid;
  grid-template-columns: minmax(0, 1fr); /* lets long titles truncate instead of widening the row */
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  min-height: 70px;
  padding: 11px 14px 11px 12px;
  border-radius: var(--radius-md);
}
.item .num {
  width: 20px;
  flex-shrink: 0;
  text-align: center;
  font: 700 15px/1 var(--font);
  font-variant-numeric: tabular-nums;
  color: var(--faint);
}
.item img, .item .ph {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 11px;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 0.5px rgba(255, 255, 255, 0.15), 0 4px 12px rgba(0, 0, 0, 0.35);
}
.item .ph { display: grid; place-items: center; color: var(--muted); font-size: 18px; }
.item .meta { flex: 1; min-width: 0; }
.item .t, .item .a, .item .by { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item .t { font: 600 16px/1.3 var(--font); letter-spacing: -0.015em; }
.item .a { font: 400 14px/1.35 var(--font); color: var(--muted); }
.item .by { font: 400 12px/1.35 var(--font); color: var(--faint); }
.item.played { opacity: 0.5; }

/* Spotify results live inside the card: flatter rows, scroll inside the panel */
#results {
  max-height: 340px;
  margin-top: 12px;
  padding: 2px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border-radius: var(--radius-md);
}
#results:empty { display: none; }
#results .item {
  min-height: 64px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
#results .empty { background: rgba(255, 255, 255, 0.06); box-shadow: none; }
.item.selectable { cursor: pointer; transition: background 0.2s, border-color 0.2s; }
.item.selectable::after {
  content: "";
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  font: 800 13px/1 var(--font);
  transition: background 0.2s, border-color 0.2s;
}
#results .item.selected {
  background: rgba(139, 92, 246, 0.24);
  border-color: rgba(196, 181, 253, 0.5);
}
.item.selected::after {
  content: "✓";
  border-color: transparent;
  background: var(--grad);
  box-shadow: 0 2px 10px rgba(124, 58, 237, 0.5);
}

.count {
  min-width: 30px;
  padding: 4px 10px;
  border-radius: 99px;
  text-align: center;
  font: 600 13px/1.1 var(--font);
  color: var(--muted);
  box-shadow: var(--glass-shine);
}
.empty {
  padding: 22px;
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--muted);
}

/* Admin controls */
.actions { display: flex; gap: 8px; flex-shrink: 0; }
.icon-btn {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
}
.icon-btn.ok { background: #10b981; color: #032b1c; }
.icon-btn.del { background: rgba(255, 107, 129, 0.18); color: var(--danger); }
.row { display: flex; gap: 10px; align-items: stretch; }
.row .btn { margin-top: 0; }