:root {
  color-scheme: dark;
  --background: #101114;
  --surface: #1b1d22;
  --border: #30343d;
  --text: #f6f7f9;
  --muted: #9ea4af;
  --accent: #d7ff45;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding-bottom: 80px;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, sans-serif;
}

header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 5vw;
  border-color: var(--border);
  background: rgba(16, 17, 20, 0.96);
}

header {
  border-bottom: 1px solid var(--border);
}

footer {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  border-top: 1px solid var(--border);
}

.global-player {
  gap: 14px;
}

.player-artwork-wrap {
  width: 56px;
  height: 56px;
  flex: 0 0 56px;
}

.player-artwork {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.player-meta {
  display: grid;
  gap: 2px;
}

.player-note {
  font-size: 0.86rem;
}

.player-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}

nav {
  display: flex;
  gap: 22px;
}

a {
  color: inherit;
  text-decoration: none;
}

main {
  width: min(1100px, 90vw);
  margin: 0 auto;
  padding: 64px 0;
}

.hero {
  max-width: 820px;
}

h1 {
  margin: 12px 0 20px;
  font-size: clamp(2.8rem, 7vw, 6rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

p,
small,
footer span {
  color: var(--muted);
  line-height: 1.65;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.button,
button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
}

.button {
  margin-top: 18px;
  border-color: var(--accent);
  background: var(--accent);
  color: #111;
  font-weight: 750;
}

.flash {
  margin-bottom: 24px;
  padding: 12px 14px;
  border: 1px solid var(--accent);
  border-radius: 10px;
  color: var(--text);
}

.track-list {
  display: grid;
  gap: 10px;
  margin-top: 36px;
}

.track-row {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.track-selectable {
  cursor: pointer;
}

.track-selectable:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.track-row-selected {
  border-color: var(--accent);
  background: #24272d;
  box-shadow: inset 3px 0 0 0 var(--accent);
}

.track-row div:nth-child(2) {
  display: grid;
  gap: 4px;
}

.actions {
  display: flex;
  gap: 8px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin: 20px 0 30px;
}

.status-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.generator {
  margin-top: 20px;
}

.stack-form {
  display: grid;
  gap: 8px;
  max-width: 680px;
}

textarea,
input,
select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  padding: 8px 10px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.recent {
  margin-top: 28px;
}

.review-summary {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 14px 0;
}

.blocked-box {
  border: 1px solid #c97171;
  background: rgba(150, 49, 49, 0.18);
  border-radius: 12px;
  padding: 12px;
  margin: 14px 0;
}

.track-row-problem {
  border-color: #c97171;
}

.candidate-form {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.candidate-row {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  gap: 8px;
  align-items: center;
}

button[disabled],
.button[aria-disabled="true"] {
  opacity: 0.65;
  cursor: not-allowed;
}

.is-busy::after {
  content: "";
  width: 12px;
  height: 12px;
  margin-left: 8px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: rgba(255, 255, 255, 1);
  border-radius: 50%;
  animation: mixcraft-spin 0.8s linear infinite;
}

.working-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 17, 20, 0.72);
  display: grid;
  place-items: center;
  z-index: 1200;
}

.working-overlay[hidden] {
  display: none !important;
}

.working-panel {
  width: min(460px, 92vw);
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #17191f;
  padding: 22px;
  display: grid;
  gap: 8px;
  justify-items: center;
  text-align: center;
}

#working-message {
  color: var(--text);
  font-size: 1.15rem;
  line-height: 1.35;
}

#working-detail {
  font-size: 0.95rem;
  line-height: 1.55;
}

.working-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: mixcraft-spin 0.9s linear infinite;
}

.working-timeout {
  color: #ffd7a8;
}

@keyframes mixcraft-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .working-spinner,
  .is-busy::after {
    animation: none;
  }
}