:root {
  --bg: #071c2f;
  --bg-2: #0f2f44;
  --card: rgba(255, 255, 255, 0.08);
  --card-hover: rgba(255, 255, 255, 0.15);
  --accent: #ff7a3d;
  --danger: #ff6b7d;
  --text: #e8f0ff;
  --muted: #b7c9e2;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, #0d344a, var(--bg)) fixed;
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 32px;
}

.app {
  width: min(1100px, 100%);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff9b6a, var(--accent));
  color: #0c1a24;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.user-lines {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-name {
  margin: 0;
  font-weight: 700;
}

.user-sub {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.auth-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease, border-color 120ms ease;
}

.btn.primary {
  background: var(--accent);
  color: #0c1a24;
  border-color: rgba(255, 122, 61, 0.4);
  box-shadow: 0 10px 24px rgba(255, 122, 61, 0.4);
}

.btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn:active {
  transform: translateY(0);
}

.hidden {
  display: none;
}

code {
  background: rgba(0, 0, 0, 0.2);
  padding: 2px 6px;
  border-radius: 8px;
  color: var(--text);
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(135deg, var(--bg-2), var(--bg));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px 32px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 8px 0;
  font-size: clamp(26px, 4vw, 36px);
}

.hero .lede {
  margin: 0;
  color: var(--muted);
  max-width: 620px;
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin: 0;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #0c1a24;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(255, 122, 61, 0.35);
}

.hint {
  color: var(--muted);
  font-size: 14px;
}

.stat {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 16px;
  min-width: 180px;
  align-self: center;
}

.stat .label {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
}

.stat .value {
  margin: 6px 0 0;
  font-size: 18px;
  font-weight: 700;
}

.controls {
  margin: 24px 0 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.upload-controls {
  align-items: stretch;
}

#search {
  flex: 1;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 16px;
}

  #search:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

.status {
  color: var(--muted);
  font-size: 14px;
}

.drop-zone {
  flex: 1;
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
  cursor: pointer;
  transition: border-color 140ms ease, background 140ms ease;
}

.drop-zone p {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.drop-zone .reorder-hint {
  display: none;
  margin-top: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.drop-zone .reorder-hint.visible {
  display: block;
}

.drop-zone input {
  display: none;
}

.drop-zone:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.drop-zone.dragover {
  border-color: var(--accent);
  background: rgba(255, 122, 61, 0.08);
}

.drop-zone.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 16px;
  position: relative;
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
  height: 100%;
}

.card:hover {
  transform: translateY(-2px);
  background: var(--card-hover);
  border-color: rgba(255, 255, 255, 0.18);
}

.card .play-btn {
  background: var(--accent);
  border: none;
  color: #0c1a24;
  border-radius: 12px;
  padding: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
  box-shadow: 0 10px 24px rgba(255, 122, 61, 0.4);
  margin-top: auto;
  width: 100%;
}

.card .play-btn:hover {
  transform: translateY(-1px);
}

.card .play-btn:active {
  transform: translateY(0);
}

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  justify-content: space-between;
}

.rename-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
  border-radius: 10px;
  padding: 6px 10px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.rename-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.rename-btn:active {
  transform: translateY(0);
}

.card .title {
  margin: 0;
  font-weight: 700;
  font-size: 16px;
}

.card .meta {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.card.playing {
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(255, 122, 61, 0.2);
}

.card.dragging {
  opacity: 0.65;
  transform: scale(0.99);
}

.card .delete-chip {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(7, 28, 47, 0.6);
  color: var(--danger);
  font-weight: 800;
  font-size: 18px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.card .delete-chip:hover {
  background: rgba(255, 107, 125, 0.12);
  border-color: rgba(255, 107, 125, 0.6);
  color: #ffdce3;
  transform: translateY(-1px) scale(1.03);
}

.card .delete-chip:active {
  transform: translateY(0);
}

.empty {
  display: none;
  margin: 32px 0;
  padding: 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed var(--border);
  color: var(--muted);
}

.empty.visible {
  display: block;
}

@media (max-width: 720px) {
  body {
    padding: 20px;
  }

  .hero {
    flex-direction: column;
  }
}