:root {
  --bg: #07080b;
  --bg-2: #0d1015;
  --panel: rgba(11, 13, 18, 0.92);
  --panel-soft: rgba(255, 255, 255, 0.025);
  --grid-bg: #06080c;
  --grid-line: rgba(255, 255, 255, 0.02);
  --text: #f4f0ea;
  --text-soft: rgba(244, 240, 234, 0.74);
  --text-faint: rgba(244, 240, 234, 0.44);
  --line: rgba(255, 255, 255, 0.08);
  --accent: #c45d4c;
  --accent-soft: rgba(196, 93, 76, 0.14);
  --success: #a8c39a;
  --shadow: 0 30px 120px rgba(0, 0, 0, 0.5);
  --cols: 30;
  --rows: 22;
  --gap: 1px;
  --cell-font-size: 1rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  overflow: hidden;
  color: var(--text);
  font-family: "IBM Plex Mono", "SFMono-Regular", "Menlo", monospace;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.05), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 20%),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.016) 0,
      rgba(255, 255, 255, 0.016) 1px,
      transparent 1px,
      transparent 82px
    ),
    repeating-linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.016) 0,
      rgba(255, 255, 255, 0.016) 1px,
      transparent 1px,
      transparent 82px
    ),
    var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 10%),
    radial-gradient(circle at 50% 50%, transparent 58%, rgba(0, 0, 0, 0.25));
}

body.success-flash {
  animation: successFlash 380ms ease-out;
}

body.error-flash {
  animation: errorFlash 260ms ease-out;
}

#app-shell {
  min-height: 100vh;
  min-height: 100dvh;
  padding: 12px;
}

.mobile-blocker {
  display: none;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px;
}

.mobile-blocker-shell {
  display: grid;
  gap: 14px;
  align-content: center;
  width: min(460px, 100%);
  min-height: calc(100vh - 48px);
  min-height: calc(100dvh - 48px);
  margin: 0 auto;
  padding: 28px 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.mobile-blocker-kicker {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.mobile-blocker-title {
  margin: 0;
  color: var(--text);
  font-size: clamp(2rem, 8vw, 3.2rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

.mobile-blocker-copy {
  margin: 0;
  max-width: 22rem;
  color: var(--text-soft);
  font-size: 0.96rem;
  line-height: 1.65;
}

.app-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  min-height: calc(100vh - 24px);
  min-height: calc(100dvh - 24px);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.main-column {
  position: relative;
  min-width: 0;
  border-right: 1px solid var(--line);
  background: var(--grid-bg);
}

.playfield-panel {
  width: 100%;
  height: 100%;
}

#number-grid {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  grid-template-rows: repeat(var(--rows), minmax(0, 1fr));
  gap: var(--gap);
  padding: 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.012), transparent 20%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 44px,
      var(--grid-line) 44px,
      var(--grid-line) 45px
    ),
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 44px,
      var(--grid-line) 44px,
      var(--grid-line) 45px
    ),
    var(--grid-bg);
}

.number-cell {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  color: rgba(244, 240, 234, 0.68);
  font: inherit;
  font-size: var(--cell-font-size);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.16em;
  line-height: 1;
  user-select: none;
  transform: translate(var(--jx, 0px), var(--jy, 0px));
  filter: brightness(var(--brightness, 1));
  transition:
    transform 2.2s ease-in-out,
    color 120ms ease,
    opacity 120ms ease,
    text-shadow 120ms ease,
    filter 120ms ease;
}

.number-cell::before {
  content: attr(data-value);
  display: block;
  pointer-events: none;
  user-select: none;
}

.number-cell::after {
  content: "";
  position: absolute;
  inset: 1px;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.number-cell[data-interactive="true"] {
  cursor: pointer;
}

.number-cell[data-interactive="true"]:hover,
.number-cell[data-interactive="true"]:focus-visible {
  outline: none;
  color: var(--text);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.16);
}

.number-cell[data-interactive="true"]:hover::after,
.number-cell[data-interactive="true"]:focus-visible::after {
  border-color: rgba(196, 93, 76, 0.24);
  background: rgba(196, 93, 76, 0.05);
}

.number-cell.is-success {
  color: var(--success);
  text-shadow: 0 0 10px rgba(168, 195, 154, 0.18);
}

.number-cell.is-success::after {
  border-color: rgba(168, 195, 154, 0.28);
  background: rgba(168, 195, 154, 0.1);
}

.number-cell.is-target-preview {
  color: #f0b8ae;
}

.number-cell.is-target-preview::after {
  border-color: rgba(196, 93, 76, 0.3);
  background: rgba(196, 93, 76, 0.05);
}

#number-grid.mode-focus .number-cell {
  animation: drift 2.2s ease-in-out infinite, chromaPulse 1.7s ease-in-out infinite;
  animation-delay: var(--delay, 0ms), calc(var(--delay, 0ms) / 2);
}

#number-grid.mode-focus .number-cell:nth-child(4n) {
  animation-name: drift, flicker, chromaPulse;
  animation-duration: 2.2s, 1.25s, 1.7s;
  animation-timing-function: ease-in-out, steps(2, jump-none), ease-in-out;
  animation-iteration-count: infinite, infinite, infinite;
  animation-delay: var(--delay, 0ms), var(--delay, 0ms), calc(var(--delay, 0ms) / 2);
}

#number-grid.mode-focus .number-cell:nth-child(3n + 1) {
  filter: brightness(1.08) contrast(1.06);
}

#number-grid.mode-focus .number-cell:nth-child(5n) {
  color: hsl(var(--tone, 18) 16% 68% / 0.76);
}

#number-grid.mode-focus .number-cell:nth-child(7n) {
  filter: brightness(0.72) contrast(1.12);
}

.insight-column {
  display: grid;
  gap: 10px;
  padding: 10px;
  align-content: start;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.01), transparent 18%);
}

.panel {
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

.panel-label,
.metric-label {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.target-number {
  margin-top: 10px;
  min-height: 0.8em;
  font-size: clamp(3.5rem, 7vw, 5rem);
  line-height: 0.8;
  letter-spacing: -0.18em;
  color: var(--text);
}

.panel-actions {
  display: grid;
  gap: 8px;
}

.hidden {
  display: none !important;
}

.pill-button {
  min-height: 34px;
  border: 1px solid var(--line);
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background-color 120ms ease,
    border-color 120ms ease,
    color 120ms ease;
}

.pill-button:hover,
.pill-button:focus-visible {
  outline: none;
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
}

.pill-button.primary {
  border-color: rgba(196, 93, 76, 0.38);
  background: var(--accent-soft);
  color: color-mix(in srgb, var(--text) 84%, var(--accent) 16%);
}

.pill-button.secondary {
  background: rgba(255, 255, 255, 0.025);
}

.metric-grid {
  display: grid;
  gap: 8px;
}

.metric {
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.metric-value {
  margin: 6px 0 0;
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1;
  letter-spacing: -0.06em;
}

.panel-results {
  display: grid;
  gap: 10px;
}

.results-grid {
  display: grid;
  gap: 8px;
}

.result-card {
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.result-label {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.result-value {
  margin: 6px 0 0;
  font-size: 1.1rem;
  letter-spacing: -0.06em;
}

.result-note {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.72rem;
  line-height: 1.4;
}

.results-screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 40px 24px;
  background: color-mix(in srgb, var(--bg) 78%, #303236 22%);
  backdrop-filter: blur(4px);
}

.results-screen.hidden {
  display: none;
}

.results-shell {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  width: min(1500px, 100%);
  min-height: 640px;
  max-height: 86vh;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.results-aside {
  padding: 28px 18px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.01);
}

.results-kicker,
.results-subtitle {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.results-giant {
  margin: 4px 0 18px;
  color: var(--text);
  font-size: clamp(2.8rem, 5.6vw, 5rem);
  line-height: 0.86;
  letter-spacing: -0.06em;
}

.results-giant.accent {
  color: var(--accent);
}

.results-mini-grid {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.mini-stat {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.mini-label,
.result-stat span {
  color: var(--text-soft);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mini-value,
.result-stat strong {
  color: var(--text);
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.results-main {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  padding: 18px 18px 16px;
}

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

.results-title {
  margin: 0;
  color: var(--text);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.results-note {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 0.72rem;
}

.results-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.results-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.legend-swatch.focus {
  background: var(--accent);
}

.legend-swatch.pace {
  background: #f1cf4a;
}

.legend-swatch.navigation {
  background: #9a9a9a;
}

.legend-swatch.accuracy {
  background: #6bbf6b;
}

.return-button {
  border: 1px solid var(--line);
  padding: 10px 14px;
  background: var(--accent-soft);
  color: var(--text);
  font: inherit;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.results-chart {
  width: 100%;
  height: 100%;
  min-height: 240px;
  margin: 12px 0 20px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 18%),
    repeating-linear-gradient(90deg, transparent 0, transparent 60px, rgba(255, 255, 255, 0.03) 60px, rgba(255, 255, 255, 0.03) 61px),
    repeating-linear-gradient(180deg, transparent 0, transparent 40px, rgba(255, 255, 255, 0.03) 40px, rgba(255, 255, 255, 0.03) 41px);
}

.results-stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.result-stat {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

@keyframes drift {
  0%,
  100% {
    transform: translate(var(--jx, 0px), var(--jy, 0px));
  }
  50% {
    transform: translate(calc(var(--jx, 0px) * -1), calc(var(--jy, 0px) * -1));
  }
}

@keyframes flicker {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.48;
  }
}

@keyframes chromaPulse {
  0%,
  100% {
    filter: brightness(calc(var(--brightness, 1) * 0.82)) contrast(1.02);
  }
  50% {
    filter: brightness(calc(var(--brightness, 1) * 1.18)) contrast(1.18);
  }
}

@keyframes successFlash {
  0% {
    filter: none;
  }
  30% {
    filter: brightness(1.05);
  }
  100% {
    filter: none;
  }
}

@keyframes errorFlash {
  0% {
    filter: none;
  }
  40% {
    filter: saturate(1.08);
  }
  100% {
    filter: none;
  }
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  #app-shell {
    padding: 8px;
  }

  .app-frame {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .main-column {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .panel-target,
  .panel-actions {
    grid-column: 1 / -1;
  }

  .results-shell {
    grid-template-columns: 1fr;
    min-height: auto;
    max-height: none;
  }

  .results-aside {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

@media (max-width: 720px) {
  #number-grid {
    padding: 8px;
  }

  .target-number {
    font-size: clamp(3rem, 20vw, 4.8rem);
  }

  .insight-column {
    grid-template-columns: 1fr;
  }

  .panel-target,
  .panel-actions {
    grid-column: auto;
  }

  .results-screen {
    padding: 14px;
  }

  .results-main {
    padding: 14px;
  }

  .results-legend {
    gap: 10px;
  }

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

@media (max-width: 767px) {
  body {
    overflow: auto;
  }

  body::before {
    display: none;
  }

  #app-shell,
  #results-screen {
    display: none !important;
  }

  .mobile-blocker {
    display: block;
  }
}