:root {
  --bg: #0d1b35;
  --panel: rgba(255, 255, 255, 0.94);
  --panel-strong: #ffffff;
  --ink: #172033;
  --muted: #667085;
  --accent: #7c5cbf;
  --accent-dark: #3ec8b8;
  --accent-soft: #dcd5f4;
  --line: rgba(13, 27, 53, 0.12);
  --shadow: 0 24px 80px rgba(13, 27, 53, 0.24);
  --palette-panel-width: 340px;
  --palette-icon-size: 42px;
  --field-neighbor-size: 82px;
  --field-center-size: 98px;
  --zoom-origin: 50% 50%;
  --zoom-scale: 2.35;
  --zoom-bg-x: 50%;
  --zoom-bg-y: 50%;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse 48% 38% at 45% 0%, rgba(124, 92, 191, 0.34), transparent 70%),
    radial-gradient(ellipse 42% 38% at 85% 36%, rgba(62, 200, 184, 0.24), transparent 68%),
    linear-gradient(145deg, #0d1b35 0%, #14284b 48%, #f0f2f5 48%, #ffffff 100%);
}

.shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  margin-bottom: 28px;
  color: white;
  position: relative;
}

.home-link {
  position: absolute;
  top: 0;
  right: 0;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  color: white;
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
  font-family: Sora, Inter, "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.home-link:hover {
  transform: translateY(-1px);
  border-color: rgba(94, 222, 205, 0.72);
  background: rgba(62, 200, 184, 0.16);
}

.eyebrow {
  margin: 0 0 10px;
  color: #5edecd;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
button,
.pill {
  font-family: Sora, Inter, "Avenir Next", "Segoe UI", sans-serif;
}

h1 {
  margin: 0;
  font-size: 3.5rem;
  line-height: 1;
}

h2,
h3 {
  margin-top: 0;
}

.lede {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.panel {
  margin-top: 22px;
}

.workspace,
.detail-layout {
  display: grid;
  gap: 22px;
}

.workspace {
  grid-template-columns: minmax(320px, var(--palette-panel-width)) minmax(0, 1fr);
  align-items: start;
}

.workspace-main {
  display: grid;
  gap: 22px;
}

.detail-layout {
  grid-template-columns: 1fr;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.field-card {
  position: sticky;
  top: 18px;
  z-index: 4;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

button {
  padding: 14px 22px;
  border: 0;
  border-radius: 8px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(62, 200, 184, 0.18);
}

button:disabled {
  opacity: 0.65;
  cursor: progress;
}

.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(124, 92, 191, 0.12);
  color: #5d43a0;
}

.pill.subtle {
  background: rgba(31, 41, 51, 0.06);
  color: var(--muted);
}

.message,
.selection-summary {
  color: var(--muted);
}

.controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.52);
}

.mode-button {
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  box-shadow: none;
  font-family: Inter, "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
}

.mode-button.is-active {
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.example-picker {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(124, 92, 191, 0.22);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(124, 92, 191, 0.12), rgba(62, 200, 184, 0.1)),
    rgba(255, 255, 255, 0.72);
  color: #4f3a8c;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.example-picker::after {
  content: "";
  position: absolute;
  right: 26px;
  bottom: 28px;
  width: 10px;
  height: 10px;
  border-right: 2px solid #5d43a0;
  border-bottom: 2px solid #5d43a0;
  pointer-events: none;
  transform: rotate(45deg);
}

.example-picker select {
  appearance: none;
  width: 100%;
  min-height: 48px;
  padding: 11px 42px 11px 14px;
  border: 1px solid rgba(124, 92, 191, 0.24);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  font: 700 0.96rem Inter, "Avenir Next", "Segoe UI", sans-serif;
  letter-spacing: 0;
  text-transform: none;
  box-shadow: 0 10px 26px rgba(13, 27, 53, 0.08);
}

.palette-panel,
.profile-panel {
  display: grid;
  gap: 16px;
}

.profile-panel[hidden] {
  display: none !important;
}

.stack.has-profiles .palette-panel {
  display: none;
}

.palette {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.cell-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 72px;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--cell-color, var(--accent)) 66%, white);
  border-radius: 8px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--cell-color, var(--accent)) 18%, white), rgba(255, 255, 255, 0.94));
  color: var(--ink);
  box-shadow: 0 10px 22px color-mix(in srgb, var(--cell-color, var(--accent)) 12%, transparent);
  justify-content: flex-start;
  cursor: grab;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.12;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.cell-chip:hover {
  border-color: var(--cell-color, var(--accent));
  box-shadow: 0 10px 24px color-mix(in srgb, var(--cell-color, var(--accent)) 28%, transparent);
  transform: translateY(-1px);
}

.cell-chip img {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  padding: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cell-color, var(--accent)) 28%, transparent);
}

.cell-chip span {
  text-transform: capitalize;
  overflow-wrap: anywhere;
}

.drop-field {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: 0;
  overflow: hidden;
  border: 2px dashed rgba(62, 200, 184, 0.56);
  border-radius: 8px;
  background:
    radial-gradient(circle at center, rgba(62, 200, 184, 0.08), transparent 30%),
    linear-gradient(rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.78)),
    linear-gradient(90deg, rgba(124, 92, 191, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(62, 200, 184, 0.08) 1px, transparent 1px);
  background-size: auto, auto, 32px 32px, 32px 32px;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.drop-field--real {
  border-style: solid;
}

.real-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-position: center, center;
  background-size: auto, cover;
  opacity: 0;
  pointer-events: none;
  transform-origin: var(--zoom-origin);
  transition: opacity 0.25s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.drop-field--real .real-backdrop {
  opacity: 1;
}

.drop-field--zoomed .real-backdrop {
  transform: scale(var(--zoom-scale));
}

.drop-field--real .drop-field__hint {
  padding: 8px 10px;
  border-radius: 6px;
  background: rgba(255, 250, 242, 0.78);
  backdrop-filter: blur(4px);
}

.cell-type-legend {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px 8px;
  padding: 10px;
  border: 1px solid rgba(13, 27, 53, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(5px);
  box-shadow: 0 12px 28px rgba(13, 27, 53, 0.14);
}

.legend-item {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 6px;
  color: #172033;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.1;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--cell-color, var(--accent));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cell-color, var(--accent)) 18%, transparent);
}

.legend-item span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cell-shape-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-origin: var(--zoom-origin);
  transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.25s ease;
}

.cell-shape-overlay path {
  fill-opacity: 0.18;
  stroke-opacity: 0.92;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  transition: fill-opacity 0.25s ease, stroke-opacity 0.25s ease;
}

.drop-field--zoomed .cell-shape-overlay {
  transform: scale(var(--zoom-scale));
}

.field-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  gap: 14px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(5px);
  z-index: 5;
  text-align: center;
}

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

.field-overlay p {
  margin: 0;
  max-width: 26ch;
  color: #4f3a8c;
  font-weight: 600;
}

.spinner {
  width: 42px;
  height: 42px;
  border: 4px solid rgba(124, 92, 191, 0.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.drop-field.is-active {
  border-color: var(--accent-dark);
  background-color: rgba(62, 200, 184, 0.08);
}

.drop-field__hint {
  position: absolute;
  inset: 18px auto auto 18px;
  z-index: 2;
  color: var(--muted);
  font-size: 0.95rem;
}

.field-cell {
  position: absolute;
  width: var(--field-neighbor-size);
  height: var(--field-neighbor-size);
  transform: translate(-50%, -50%);
  z-index: 2;
  transition: left 0.45s ease, top 0.45s ease, opacity 0.25s ease, transform 0.35s ease;
}

.field-cell img {
  width: 100%;
  height: 100%;
  pointer-events: none;
  filter: drop-shadow(0 8px 16px rgba(13, 27, 53, 0.2));
}

.field-cell--neighbor::after {
  content: "";
  position: absolute;
  inset: -10px;
  border: 2px dashed color-mix(in srgb, var(--cell-color, var(--accent)) 48%, transparent);
  border-radius: 50%;
}

.field-cell--pending {
  opacity: 0.8;
}

.field-cell--pending img {
  filter: grayscale(0.08) drop-shadow(0 8px 16px rgba(31, 41, 51, 0.14));
}

.field-cell--confirmed::after {
  border-color: color-mix(in srgb, var(--cell-color, var(--accent)) 72%, transparent);
}

.field-cell--dragging {
  opacity: 0.55;
}

.field-cell--center {
  width: var(--field-center-size);
  height: var(--field-center-size);
  cursor: grab;
  z-index: 3;
}

.field-cell--center::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 2px solid color-mix(in srgb, var(--cell-color, var(--accent)) 76%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--cell-color, var(--accent)) 16%, transparent);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.charts-grid,
.neighbor-grid {
  display: grid;
  gap: 16px;
}

.charts-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.neighbor-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.chart-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  animation: profileIn 0.32s ease both;
}

.support-stack {
  display: grid;
  gap: 12px;
}

.support-panel {
  padding: 0;
  overflow: hidden;
}

.support-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 58px;
  padding: 16px 18px;
  cursor: pointer;
  font-family: Sora, Inter, "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
  list-style: none;
}

.support-panel summary::-webkit-details-marker {
  display: none;
}

.support-panel summary::after {
  content: "+";
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: #5d43a0;
  font-family: Inter, "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 700;
}

.support-panel[open] summary {
  border-bottom: 1px solid var(--line);
}

.support-panel[open] summary::after {
  content: "-";
}

.support-panel .message,
.support-panel .neighbor-grid {
  margin: 18px;
}

.support-panel table {
  width: calc(100% - 36px);
  margin: 18px;
}

.summary-meta {
  margin-left: auto;
  color: var(--muted);
  font-family: Inter, "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
}

.chart-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}

.chart-label {
  font-size: 0.92rem;
}

.chart-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chart-bar {
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(31, 41, 51, 0.08);
}

.chart-fill {
  height: 100%;
  border-radius: 999px;
}

.chart-fill--accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.chart-fill--dark {
  background: linear-gradient(135deg, #1b3560, #0d1b35);
}

.chart-fill--soft {
  background: linear-gradient(135deg, #3ec8b8, #5edecd);
}

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

@keyframes profileIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .workspace,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .field-card {
    position: static;
  }

  .cell-type-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(100% - 20px, 1200px);
    padding-top: 28px;
  }

  .home-link {
    position: static;
    margin-top: 16px;
  }

  .card {
    padding: 18px;
  }

  h1 {
    font-size: 2.4rem;
  }

  .drop-field {
    min-height: 0;
  }

  .palette {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  :root {
    --field-neighbor-size: 68px;
    --field-center-size: 82px;
  }

  .chart-row {
    grid-template-columns: 82px minmax(0, 1fr);
  }
}