:root {
  color-scheme: dark;
  --bg: #000000;
  --bg-elevated: #0a0a0a;
  --bg-soft: #111111;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.22);
  --text: #f2f2f2;
  --muted: #7a7a7a;
  --accent: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.08);
  --accent-hover: rgba(255, 255, 255, 0.14);
  --danger: #ff6b6b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.65);
  --radius: 4px;
  --radius-sm: 2px;
  --font: "Outfit", "Helvetica Neue", Arial, sans-serif;
  --text-label: 1.1rem;
  --text-ui: 1.2rem;
  --text-support: 1.3rem;
  --text-body: 1.4rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-dissolve: 520ms var(--ease-out);
  --transition-motion: 220ms var(--ease-out);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 50% -20%, rgba(255, 255, 255, 0.04), transparent 42%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  letter-spacing: 0;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
  cursor: pointer;
}

button,
a,
.song-row,
.rank-item,
.pool-item {
  transition:
    background var(--transition-motion),
    border-color var(--transition-motion),
    color var(--transition-motion),
    transform var(--transition-motion),
    opacity var(--transition-motion),
    filter var(--transition-motion);
}

button:active:not(:disabled),
.song-row:active {
  transform: scale(0.985);
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding:
    calc(28px + env(safe-area-inset-top, 0px))
    0
    calc(56px + env(safe-area-inset-bottom, 0px));
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  animation: riseIn 680ms var(--ease-out) both;
}

.page-guide {
  margin: 0 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--text-ui);
  line-height: 1.6;
  letter-spacing: 0.02em;
  animation: riseIn 640ms var(--ease-out) 60ms both;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand-home {
  border: 0;
  padding: 0;
  margin: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: opacity var(--transition-motion);
}

.brand-home:hover {
  opacity: 0.72;
}

.brand-home h1 {
  pointer-events: none;
}

.brand-credit {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-label);
  letter-spacing: 0.02em;
}

.brand-credit a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--transition-motion), border-color var(--transition-motion);
}

.brand-credit a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.brand-kicker,
.eyebrow,
.stat-label,
.album-year,
.leaderboard-meta {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: var(--text-label);
  font-weight: 600;
}

.panel-head p {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: var(--text-support);
  font-weight: 600;
}

.brand h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand h1 {
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  text-transform: none;
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
}

.nav-link {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 12px 18px;
  border-radius: calc(var(--radius) - 2px);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--text-label);
}

.nav-link.active,
.nav-link:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.view-stage {
  display: grid;
  position: relative;
}

.view-stage > .view {
  grid-area: 1 / 1;
  width: 100%;
  min-width: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  filter: blur(14px);
  transform: translateY(10px);
  transition:
    opacity var(--transition-dissolve),
    filter var(--transition-dissolve),
    transform var(--transition-dissolve),
    visibility var(--transition-dissolve);
}

.view-stage > .view:not(.active):not(.is-leaving) {
  height: 0;
  overflow: hidden;
  min-height: 0;
}

.view-stage > .view.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  filter: blur(0);
  transform: translateY(0);
  height: auto;
  overflow: visible;
}

.view-stage > .view.is-leaving {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: auto;
  z-index: 2;
}

#view-home {
  display: grid;
  position: relative;
}

#view-home > .screen {
  grid-area: 1 / 1;
  width: 100%;
  min-width: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  filter: blur(14px);
  transform: translateY(10px);
  transition:
    opacity var(--transition-dissolve),
    filter var(--transition-dissolve),
    transform var(--transition-dissolve),
    visibility var(--transition-dissolve);
}

#view-home > .screen:not(.active):not(.is-leaving) {
  height: 0;
  overflow: hidden;
  min-height: 0;
}

#view-home > .screen.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  filter: blur(0);
  transform: translateY(0);
  height: auto;
  overflow: visible;
}

#view-home > .screen.is-leaving {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: auto;
  z-index: 2;
}

.hero {
  padding: 48px 0 28px;
  max-width: 860px;
  animation: riseIn 720ms var(--ease-out) 80ms both;
}

.hero.done {
  padding-top: 24px;
}

.hero h2 {
  font-size: clamp(2.4rem, 6.5vw, 4.25rem);
  line-height: 1.08;
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  text-wrap: balance;
}

.lede {
  margin: 0 0 28px;
  color: #a8a8a8;
  font-size: var(--text-body);
  line-height: 1.7;
  max-width: 58ch;
  text-wrap: balance;
}

.lede.compact,
.page-guide,
.submit-modal-lede {
  max-width: none;
  text-wrap: wrap;
}

.lede.compact {
  margin-bottom: 0;
  font-size: var(--text-body);
}

.primary-btn,
.ghost-btn {
  border-radius: var(--radius);
  padding: 14px 22px;
  border: 1px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--text-ui);
  font-weight: 600;
}

.primary-btn {
  background: var(--accent);
  color: #000;
}

.primary-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(0.94);
}

.primary-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

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

.ghost-btn:hover {
  background: var(--accent-soft);
  border-color: rgba(255, 255, 255, 0.35);
}

.stats-card,
.panel,
.song-row,
.rank-item,
.pool-item,
.leaderboard-item,
.submitted-preview li,
.submit-modal-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
}

.stats-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: riseIn 760ms var(--ease-out) 160ms both;
}

.album-heading {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.album-art {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.04);
  transition: transform var(--transition-motion);
}

.album-art:hover {
  transform: scale(1.03);
}

.section-badge {
  display: inline-block;
  margin: 10px 0 0;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--accent-soft);
  color: var(--text);
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-search-wrap {
  margin-bottom: 16px;
}

.feature-search {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
}

.feature-search::placeholder {
  color: var(--muted);
}

.feature-search:focus {
  outline: none;
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
}

.stat-value {
  margin: 8px 0 0;
  font-size: var(--text-support);
  font-weight: 500;
}

.screen-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  animation: riseIn 640ms var(--ease-out) both;
}

.screen-top h2 {
  font-size: clamp(1.4rem, 3.5vw, 2.4rem);
  margin-top: 10px;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.album-heading h2 {
  text-transform: none;
  letter-spacing: -0.03em;
}

.album-year {
  margin-top: 8px;
}

.album-actions,
.done-actions,
.screen-footer {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.album-actions {
  flex-direction: column;
  align-items: flex-end;
}

.album-actions-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.song-list {
  display: grid;
  gap: 4px;
}

.song-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.song-row:hover {
  border-color: var(--line-strong);
  background: var(--accent-soft);
  transform: translateX(3px);
}

.song-row:active {
  background: var(--accent-soft);
  transform: none;
}

.song-cover {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.song-row-title,
.song-row span {
  flex: 1;
  min-width: 0;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: -0.01em;
}

.listen-btn {
  flex-shrink: 0;
  margin-left: auto;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  font-size: 0.68rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.listen-btn:hover {
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-1px);
}

.song-row.selected {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.28);
}

.song-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.screen-footer {
  justify-content: space-between;
  margin-top: 28px;
  animation: riseIn 680ms var(--ease-out) 120ms both;
}

.final-stats {
  display: grid;
  gap: 8px;
  text-align: right;
  color: var(--muted);
  font-size: var(--text-support);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.final-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.panel {
  border-radius: var(--radius);
  padding: 18px;
  min-height: 420px;
  box-shadow: var(--shadow);
  animation: riseIn 700ms var(--ease-out) 80ms both;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}

.panel-head h3 {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--text-support);
}

.ranked-list,
.leaderboard-list,
.submitted-preview {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ranked-list {
  min-height: 360px;
}

.rank-item,
.pool-item,
.leaderboard-item,
.submitted-preview li,
.submit-modal-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
}

.submitted-preview li,
.submit-modal-item {
  margin-bottom: 0;
}

.pool-list .pool-item {
  margin-bottom: 0;
}

.rank-item:hover,
.pool-item:hover,
.leaderboard-item:hover {
  border-color: var(--line-strong);
  background: var(--accent-soft);
}

.rank-item.drag-over,
.pool-item.drag-over {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.06);
}

.rank-item.dragging,
.pool-item.dragging {
  opacity: 0.45;
}

#screen-final .ranked-list {
  min-height: 0;
}

#screen-final .panel {
  min-height: 0;
  padding: 14px;
}

#screen-final .panel-head {
  margin-bottom: 10px;
}

#screen-final .pool-list {
  max-height: none;
}

.rank-number,
.leaderboard-rank {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-weight: 600;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.song-meta {
  flex: 1;
  min-width: 0;
}

.song-meta strong,
.song-meta span {
  display: block;
}

.song-meta strong {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
}

.song-meta span {
  color: #b3b3b3;
  font-size: 0.78rem;
  font-weight: 500;
  margin-top: 2px;
  line-height: 1.3;
}

.icon-btn,
.small-btn {
  border: 0;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
}

.icon-btn:hover,
.small-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.icon-btn.remove {
  color: var(--danger);
}

.rank-move {
  display: none;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.rank-move-btn {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: var(--radius-sm);
  min-width: 44px;
  min-height: 32px;
  padding: 0;
  font-size: 1rem;
  line-height: 1;
}

.rank-move-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.rank-move-btn:not(:disabled):active {
  background: var(--accent-soft);
}

.pool-item.insert-selected {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.ranked-list.insert-mode .rank-item {
  cursor: pointer;
}

.ranked-list.insert-mode .rank-item:active {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.06);
}

.pool-list {
  display: grid;
  gap: 4px;
  max-height: 520px;
  overflow: auto;
  padding-right: 4px;
  -webkit-overflow-scrolling: touch;
}

.rank-item,
.pool-item {
  touch-action: pan-y;
}

.empty-state {
  color: var(--muted);
  padding: 28px 12px;
  text-align: center;
  font-size: var(--text-body);
}

.leaderboard-score {
  text-align: right;
  color: var(--muted);
  font-size: var(--text-support);
  font-weight: 500;
  line-height: 1.45;
}

.submitted-preview {
  margin-top: 28px;
  display: grid;
  gap: 4px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  background: rgba(10, 10, 10, 0.96);
  border: 1px solid var(--line-strong);
  padding: 14px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: var(--text-ui);
  letter-spacing: 0.04em;
  animation: toastIn 320ms var(--ease-out) both;
  z-index: 60;
}

body.modal-open {
  overflow: hidden;
}

.submit-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
}

.submit-modal[hidden] {
  display: none;
}

.submit-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(8px);
}

.submit-modal-panel {
  position: relative;
  width: min(640px, 100%);
  max-height: min(88vh, 900px);
  overflow: auto;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  animation: riseIn 360ms var(--ease-out) both;
}

.submit-modal-panel h2 {
  margin-top: 10px;
  text-transform: uppercase;
  font-size: 1.2rem;
}

.submit-modal-lede {
  margin: 0 0 18px;
  color: #a8a8a8;
  font-size: var(--text-body);
  line-height: 1.6;
}

.submit-modal-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 4px;
}

.submit-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

@keyframes riseIn {
  from {
    opacity: 0;
    filter: blur(8px);
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@keyframes motionIn {
  from {
    opacity: 0;
    filter: blur(6px);
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@keyframes toastIn {
  from {
    opacity: 0;
    filter: blur(6px);
    transform: translate(-50%, 12px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translate(-50%, 0);
  }
}

.motion-in {
  animation: motionIn 480ms var(--ease-out) both;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .view-stage > .view,
  #view-home > .screen {
    transform: none;
    filter: none;
  }
}

@media (max-width: 860px) {
  .stats-card {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    padding: 16px;
  }

  .final-layout {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .screen-top,
  .screen-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .final-stats {
    text-align: left;
  }

  .album-actions {
    align-items: stretch;
    width: 100%;
  }

  .album-actions-row {
    width: 100%;
  }

  .album-actions-row .ghost-btn,
  .album-actions-row .primary-btn {
    flex: 1 1 auto;
    min-width: 0;
  }

  .rank-move {
    display: flex;
  }

  .pool-list {
    max-height: min(42vh, 360px);
  }

  #screen-final .ranked-list {
    max-height: none;
  }

  .done-actions .primary-btn,
  .done-actions .ghost-btn {
    flex: 1 1 calc(50% - 6px);
    min-width: min(100%, 220px);
  }

  .submit-modal-actions {
    justify-content: stretch;
  }

  .submit-modal-actions .ghost-btn,
  .submit-modal-actions .primary-btn {
    flex: 1 1 calc(50% - 6px);
    min-width: 0;
  }
}

@media (max-width: 640px) {
  :root {
    --text-label: 0.95rem;
    --text-ui: 1rem;
    --text-support: 1.05rem;
    --text-body: 1.1rem;
  }

  .app-shell {
    width: calc(100% - 24px);
    padding-top: calc(18px + env(safe-area-inset-top, 0px));
  }

  .site-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .site-nav {
    width: 100%;
  }

  .nav-link {
    flex: 1;
    text-align: center;
    min-height: 44px;
  }

  .hero {
    padding-top: 28px;
  }

  .hero h2 {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .stats-card {
    grid-template-columns: 1fr;
  }

  .primary-btn,
  .ghost-btn {
    min-height: 48px;
    padding: 14px 18px;
  }

  .song-row,
  .rank-item,
  .pool-item,
  .leaderboard-item {
    min-height: 48px;
  }

  .song-row input {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
  }

  .listen-btn,
  .icon-btn,
  .small-btn {
    min-height: 44px;
    padding: 10px 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  #screen-final .listen-btn,
  #screen-final .icon-btn,
  #screen-final .small-btn {
    min-height: 36px;
    padding: 6px 8px;
    font-size: 0.62rem;
  }

  .song-meta {
    min-width: 0;
  }

  .screen-footer {
    position: sticky;
    bottom: 0;
    z-index: 5;
    margin-top: 20px;
    padding:
      14px 0
      calc(10px + env(safe-area-inset-bottom, 0px));
    background:
      linear-gradient(to top, rgba(0, 0, 0, 0.96) 72%, rgba(0, 0, 0, 0));
    backdrop-filter: blur(10px);
  }

  .screen-footer .ghost-btn,
  .screen-footer .primary-btn {
    flex: 1 1 calc(50% - 6px);
    min-width: 0;
  }

  .done-actions {
    flex-direction: column;
  }

  .done-actions .primary-btn,
  .done-actions .ghost-btn {
    width: 100%;
    flex: 1 1 auto;
  }

  .feature-search {
    font-size: 16px;
    min-height: 48px;
  }

  .submit-modal {
    place-items: end center;
    padding: 0;
  }

  .submit-modal-panel {
    width: 100%;
    max-height: min(92vh, 900px);
    border-radius: var(--radius) var(--radius) 0 0;
    border-bottom: 0;
    padding:
      20px 18px
      calc(20px + env(safe-area-inset-bottom, 0px));
  }

  .submit-modal-actions {
    flex-direction: column-reverse;
  }

  .submit-modal-actions .ghost-btn,
  .submit-modal-actions .primary-btn {
    width: 100%;
    flex: 1 1 auto;
  }

  .page-guide {
    font-size: 0.95rem;
    line-height: 1.5;
  }
}

@media (hover: none) and (pointer: coarse) {
  .rank-move {
    display: flex;
  }
}