/* M4 level catalog styles split from assets/styles.css during Task 12. */

.levels-section {
  padding-top: 0;
  padding-bottom: 68px;
}

.practice-heading {
  position: relative;
  max-width: 520px;
  min-height: 118px;
  margin-bottom: 4px;
}

.practice-heading .marker-caption {
  position: absolute;
  top: 8px;
  left: 6px;
  margin: 0;
  font-size: clamp(26px, 3.3vw, 34px);
  line-height: 1.05;
  white-space: nowrap;
  transform: rotate(-7deg);
}

.practice-heading .practice-arrow {
  top: 42px;
  left: 120px;
  width: 150px;
  height: 92px;
  transform: rotate(8deg);
}

.level-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.level-label,
.song-label,
.lesson-card {
  border: 1.5px solid var(--color-charcoal);
  border-radius: 12px;
  background: var(--color-dew-drop);
  box-shadow: var(--shadow-lg);
}

.level-label {
  min-height: 230px;
  display: grid;
  align-content: space-between;
  gap: 12px;
  padding: 24px;
  text-align: left;
  animation: cardPeelIn 520ms ease both;
  transition: translate 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.level-label:nth-child(2) { animation-delay: 40ms; }
.level-label:nth-child(3) { animation-delay: 80ms; }
.level-label:nth-child(4) { animation-delay: 120ms; }
.level-label:nth-child(5) { animation-delay: 160ms; }
.level-label:nth-child(6) { animation-delay: 200ms; }
.level-label:nth-child(7) { animation-delay: 240ms; }
.level-label:nth-child(8) { animation-delay: 280ms; }
.level-label:nth-child(9) { animation-delay: 320ms; }

.level-label:nth-child(3n + 1) {
  transform: rotate(-1deg);
}

.level-label:nth-child(3n + 2) {
  transform: rotate(1deg);
}

.level-label:nth-child(3n) {
  transform: rotate(-0.5deg);
}

.level-label:hover,
.level-label.is-active,
.song-label:hover,
.song-label.is-active {
  border-color: var(--color-marker-orange);
}

.level-label:hover,
.song-label:hover {
  translate: 0 -5px;
  box-shadow: rgba(0, 0, 0, 0.08) 0 8px 24px 0;
}

.level-label strong {
  color: var(--color-cocoa-ink);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.08;
}

.level-label small,
.song-label small {
  color: var(--color-cocoa-ink);
  font-size: 18px;
  line-height: 1.35;
}

.level-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.level-meta em,
.tag-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 11px;
  border: 1.5px solid var(--color-sprout-sticker);
  border-radius: 20px;
  background: var(--color-cream-paper);
  color: var(--color-charcoal);
  font-family: var(--font-geist);
  font-size: 14px;
  font-style: normal;
  font-weight: 500;
  line-height: 1.2;
}

.level-board.chroma-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 12px;
  max-width: 1200px;
  min-height: 600px;
  padding: 16px;
  border-radius: 24px;
  overflow: hidden;
  isolation: isolate;
  --x: 50%;
  --y: 50%;
  --r: 300px;
}

.level-board.chroma-grid .level-label.chroma-card {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  border: 1px solid #333333;
  border-radius: 20px;
  overflow: hidden;
  background: var(--card-gradient);
  box-shadow: none;
  color: #ffffff;
  text-align: left;
  transform: none;
  translate: 0 0;
  animation: cardPeelIn 520ms ease both;
  transition: border-color 300ms ease, translate 180ms ease, transform 180ms ease;
  --mouse-x: 50%;
  --mouse-y: 50%;
  --spotlight-color: rgba(255, 255, 255, 0.3);
}

.level-board.chroma-grid .level-label.chroma-card:nth-child(3n + 1),
.level-board.chroma-grid .level-label.chroma-card:nth-child(3n + 2),
.level-board.chroma-grid .level-label.chroma-card:nth-child(3n) {
  transform: none;
}

.level-board.chroma-grid .level-label.chroma-card:hover,
.level-board.chroma-grid .level-label.chroma-card.is-active {
  border-color: var(--card-border);
  translate: 0 -4px;
}

.level-board.chroma-grid .level-label.chroma-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), var(--spotlight-color), transparent 70%);
  transition: opacity 500ms ease;
}

.level-board.chroma-grid .level-label.chroma-card:hover::before,
.level-board.chroma-grid .level-label.chroma-card.is-active::before {
  opacity: 1;
}

.chroma-img-wrapper {
  position: relative;
  z-index: 1;
  flex: 1;
  min-height: 190px;
  padding: 10px;
  background: transparent;
}

.chroma-level-visual {
  height: 100%;
  min-height: 190px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 8px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.chroma-level-visual span {
  font-family: var(--font-geist);
  font-size: 18px;
  font-weight: 500;
  text-transform: uppercase;
}

.level-board.chroma-grid .chroma-level-visual strong {
  color: #ffffff;
  font-size: 86px;
  font-weight: 600;
  line-height: 0.9;
}

.chroma-level-visual em {
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-geist);
  font-size: 15px;
  font-style: normal;
}

.chroma-info {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 14px;
  padding: 16px;
  color: #ffffff;
  font-family: var(--font-geist);
}

.chroma-info .name {
  grid-column: 1;
  margin: 0;
  color: #ffffff;
  font-family: var(--font-geist);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.15;
}

.chroma-info .handle {
  grid-column: 2;
  justify-self: end;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.chroma-info .role {
  grid-column: 1 / -1;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--font-geist);
  font-size: 15px;
  line-height: 1.4;
}

.chroma-info .location {
  grid-column: 1 / -1;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.chroma-overlay,
.chroma-fade {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  backdrop-filter: grayscale(1) brightness(0.78);
  -webkit-backdrop-filter: grayscale(1) brightness(0.78);
  background: rgba(0, 0, 0, 0.001);
}

.chroma-overlay {
  mask-image: radial-gradient(
    circle var(--r) at var(--x) var(--y),
    transparent 0%,
    transparent 15%,
    rgba(0, 0, 0, 0.1) 30%,
    rgba(0, 0, 0, 0.22) 45%,
    rgba(0, 0, 0, 0.35) 60%,
    rgba(0, 0, 0, 0.5) 75%,
    rgba(0, 0, 0, 0.68) 88%,
    white 100%
  );
  -webkit-mask-image: radial-gradient(
    circle var(--r) at var(--x) var(--y),
    transparent 0%,
    transparent 15%,
    rgba(0, 0, 0, 0.1) 30%,
    rgba(0, 0, 0, 0.22) 45%,
    rgba(0, 0, 0, 0.35) 60%,
    rgba(0, 0, 0, 0.5) 75%,
    rgba(0, 0, 0, 0.68) 88%,
    white 100%
  );
}

.chroma-fade {
  opacity: 1;
  transition: opacity 250ms ease;
  mask-image: radial-gradient(
    circle var(--r) at var(--x) var(--y),
    white 0%,
    white 15%,
    rgba(255, 255, 255, 0.9) 30%,
    rgba(255, 255, 255, 0.78) 45%,
    rgba(255, 255, 255, 0.65) 60%,
    rgba(255, 255, 255, 0.5) 75%,
    rgba(255, 255, 255, 0.32) 88%,
    transparent 100%
  );
  -webkit-mask-image: radial-gradient(
    circle var(--r) at var(--x) var(--y),
    white 0%,
    white 15%,
    rgba(255, 255, 255, 0.9) 30%,
    rgba(255, 255, 255, 0.78) 45%,
    rgba(255, 255, 255, 0.65) 60%,
    rgba(255, 255, 255, 0.5) 75%,
    rgba(255, 255, 255, 0.32) 88%,
    transparent 100%
  );
}

.level-board.circular-gallery.chroma-grid {
  position: relative;
  height: 620px;
  min-height: 0;
  display: block;
  max-width: 100%;
  padding: 0;
  border-radius: 28px;
  overflow: hidden;
  isolation: isolate;
  background: transparent;
  --x: 50%;
  --y: 50%;
  --r: 350px;
  cursor: grab;
  touch-action: pan-y;
}

.level-board.circular-gallery.chroma-grid.is-dragging {
  cursor: grabbing;
}

.level-board.circular-gallery.chroma-grid:focus-visible {
  outline: 2px solid var(--color-marker-orange);
  outline-offset: 6px;
}

.circular-gallery-track {
  position: absolute;
  inset: 0;
  z-index: 1;
  perspective: 1400px;
  touch-action: pan-y;
}

.level-board.circular-gallery .level-label.circular-card {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(340px, calc(100vw - 72px));
  min-height: 540px;
  height: 540px;
  display: flex;
  flex-direction: column;
  padding: 0;
  border: 1px solid #333333;
  border-radius: 18px;
  overflow: hidden;
  background: #f6f6f4;
  box-shadow: none;
  color: var(--color-cocoa-ink);
  text-align: left;
  translate: 0 0;
  transform:
    translate(-50%, -50%)
    translateX(var(--tx, 0px))
    translateY(var(--ty, 0px))
    rotateZ(var(--rz, 0deg))
    scale(var(--scale, 1));
  opacity: var(--alpha, 1);
  transition:
    border-color 260ms ease,
    box-shadow 260ms ease,
    filter 260ms ease,
    opacity 260ms ease;
  filter: none;
  will-change: transform, opacity;
  cursor: grab;
  touch-action: pan-y;
  --mouse-x: 50%;
  --mouse-y: 50%;
  --spotlight-color: rgba(255, 255, 255, 0.34);
}

.level-board.circular-gallery.is-dragging .level-label.circular-card {
  cursor: grabbing;
}

.level-board.circular-gallery .level-label.circular-card:nth-child(3n + 1),
.level-board.circular-gallery .level-label.circular-card:nth-child(3n + 2),
.level-board.circular-gallery .level-label.circular-card:nth-child(3n) {
  transform:
    translate(-50%, -50%)
    translateX(var(--tx, 0px))
    translateY(var(--ty, 0px))
    rotateZ(var(--rz, 0deg))
    scale(var(--scale, 1));
}

.level-board.circular-gallery .level-label.circular-card:hover,
.level-board.circular-gallery .level-label.circular-card.is-active {
  border-color: var(--card-border);
  box-shadow: none;
  filter: none;
  translate: 0 0;
}

.level-board.circular-gallery .chroma-overlay,
.level-board.circular-gallery .chroma-fade {
  display: none;
}

.circular-media {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  min-height: 0;
  display: block;
  aspect-ratio: 0.74;
  margin: 10px 10px 0;
  border: 1px solid rgba(45, 31, 20, 0.18);
  border-radius: 12px;
  background: #f3f3f1;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.52);
  overflow: hidden;
}

.level-cover-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.level-cover-count {
  position: absolute;
  right: 10px;
  bottom: 10px;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid rgba(45, 31, 20, 0.28);
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.9);
  color: var(--color-cocoa-ink);
  font-family: var(--font-geist);
  font-size: 12px;
  font-weight: 900;
  padding: 4px 10px;
  box-shadow: 0 8px 18px rgba(45, 31, 20, 0.16);
  backdrop-filter: blur(6px);
}

.circular-media span:not(.level-cover-count) {
  color: rgba(255, 255, 255, 0.76);
  font-family: var(--font-geist);
  font-size: 17px;
  font-weight: 800;
  text-transform: uppercase;
}

.level-board.circular-gallery .circular-media strong {
  color: rgba(255, 255, 255, 0.9);
  font-size: 92px;
  font-weight: 700;
  line-height: 0.88;
}

.circular-media em {
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--font-geist);
  font-size: 16px;
  font-style: normal;
}

.circular-caption {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 16px;
  padding: 14px 18px 18px;
  color: var(--color-cocoa-ink);
  font-family: var(--font-geist);
}

.circular-caption .name {
  grid-column: 1;
  margin: 0;
  color: var(--color-cocoa-ink);
  font-family: var(--font-geist);
  font-size: 25px;
  font-weight: 800;
  line-height: 1.08;
}

.circular-caption .handle {
  grid-column: 2;
  justify-self: end;
  color: rgba(45, 31, 20, 0.66);
  font-size: 14px;
}

.circular-caption .role {
  grid-column: 1 / -1;
  margin: 0;
  color: rgba(45, 31, 20, 0.74);
  font-family: var(--font-geist);
  font-size: 15px;
  line-height: 1.35;
}

.circular-caption .location {
  grid-column: 1 / -1;
  margin-top: 4px;
  color: rgba(45, 31, 20, 0.58);
  font-size: 14px;
}

.level-song-picker {
  margin-top: 28px;
}

.level-song-picker[hidden] {
  display: none;
}

.level-song-picker-panel {
  padding: 22px;
  border: 1.5px solid var(--color-charcoal);
  border-radius: 28px;
  background: #111111;
  box-shadow: rgba(0, 0, 0, 0.16) 0 22px 46px;
  animation: cardPeelIn 320ms ease both;
}

.level-song-picker-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.level-song-picker-head .marker-caption {
  margin-bottom: 8px;
}

.level-song-picker-head h3,
.level-song-picker-head p {
  color: var(--color-cream-paper);
}

.level-song-picker-head h3 {
  margin-bottom: 8px;
  font-size: 34px;
}

.level-song-picker-head p:last-child {
  max-width: 680px;
  margin-bottom: 0;
  color: rgba(253, 251, 249, 0.72);
  font-family: var(--font-geist);
  font-size: 16px;
}

.picker-close {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1.5px solid rgba(253, 251, 249, 0.68);
  border-radius: 50%;
  background: rgba(253, 251, 249, 0.08);
  color: var(--color-cream-paper);
  font-size: 26px;
  line-height: 1;
}

.picker-close:hover {
  border-color: var(--color-marker-orange);
  color: var(--color-marker-orange);
}

.level-song-picker-body {
  position: relative;
  border-radius: 20px;
  isolation: isolate;
}

.level-song-splash {
  position: absolute;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.88;
  filter: saturate(1.75) brightness(1.1);
}

.level-song-picker-grid.chroma-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(230px, 1fr));
  gap: 12px;
  max-height: min(720px, 72vh);
  padding: 12px;
  border-radius: 20px;
  overflow: auto;
  background:
    linear-gradient(180deg, rgba(253, 251, 249, 0.06), rgba(253, 251, 249, 0.025)),
    #111111;
  isolation: isolate;
  touch-action: pan-y;
  --x: 50%;
  --y: 50%;
  --r: 300px;
}

.level-song-picker-grid .song-picker-card.chroma-card {
  position: relative;
  min-width: 0;
  min-height: 292px;
  display: flex;
  flex-direction: column;
  padding: 0;
  border: 1px solid rgba(253, 251, 249, 0.13);
  border-radius: 20px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025) 46%, rgba(0, 0, 0, 0.74)),
    #141414;
  color: #ffffff;
  cursor: pointer;
  text-align: left;
  transition: border-color 220ms ease, transform 220ms ease, box-shadow 220ms ease, background 220ms ease;
  --mouse-x: 50%;
  --mouse-y: 50%;
  --spotlight-color: rgba(255, 255, 255, 0.2);
}

.level-song-picker-grid .song-picker-card.chroma-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), var(--spotlight-color), transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms ease;
}

.level-song-picker-grid .song-picker-card.chroma-card:hover,
.level-song-picker-grid .song-picker-card.chroma-card:focus-visible {
  border-color: rgba(253, 251, 249, 0.42);
  box-shadow: rgba(0, 0, 0, 0.32) 0 18px 34px;
  transform: translateY(-3px);
  outline: none;
}

.level-song-picker-grid .song-picker-card.chroma-card:hover::before,
.level-song-picker-grid .song-picker-card.chroma-card:focus-visible::before {
  opacity: 1;
}

.song-picker-visual {
  position: relative;
  z-index: 1;
  min-height: 168px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 8px;
  margin: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
}

.level-song-picker-grid .song-picker-info {
  position: relative;
  z-index: 1;
  padding-top: 0;
}

.song-picker-visual span,
.song-picker-visual em {
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-geist);
  font-size: 15px;
  font-style: normal;
  font-weight: 800;
  text-transform: uppercase;
}

.song-picker-visual strong {
  color: rgba(255, 255, 255, 0.9);
  font-size: 64px;
  font-weight: 700;
  line-height: 0.9;
}

.song-picker-info .name {
  margin: 0;
  color: #ffffff;
  font-family: var(--font-geist);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.song-picker-info .role {
  font-size: 14px;
}