:root {
  color-scheme: dark;
  --ink: #0c1118;
  --panel: #141b24;
  --panel-2: #1a2330;
  --line: #344253;
  --line-soft: #253140;
  --paper: #efe8d7;
  --muted: #95a2b1;
  --gold: #d8a847;
  --gold-dark: #735522;
  --rust: #b9593e;
  --success: #7fc29a;
  --shadow: rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: #080d13;
  color: var(--paper);
  font-family:
    "BIZ UDPGothic", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}

.eyebrow,
.stage-code {
  margin: 0 0 5px;
  color: var(--gold);
  font-family: "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

h1,
h2 {
  margin: 0;
  font-family: "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  letter-spacing: 0.04em;
}

h1 {
  font-size: clamp(25px, 3vw, 38px);
  line-height: 0.95;
}

h2 {
  font-size: 28px;
}

.topbar-status {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.topbar-status strong {
  padding: 7px 9px;
  border: 1px solid var(--gold-dark);
  color: var(--gold);
  letter-spacing: 0.08em;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(127, 194, 154, 0.12);
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: 230px minmax(480px, 1fr) 292px;
}

.character-panel,
.control-panel {
  min-width: 0;
  background: var(--panel);
}

.character-panel {
  border-right: 1px solid var(--line);
}

.control-panel {
  border-left: 1px solid var(--line);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
  font-family: "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.character-list {
  display: grid;
}

.character-button {
  width: 100%;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 11px;
  min-height: 70px;
  padding: 9px 12px;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.character-button:hover,
.character-button:focus-visible {
  background: var(--panel-2);
  outline: none;
}

.character-button.active {
  background: #202a36;
  box-shadow: inset 3px 0 0 var(--gold);
}

.character-thumb {
  width: 48px;
  height: 48px;
  object-fit: contain;
  background-color: #0b1017;
  background-image:
    linear-gradient(45deg, #293341 25%, transparent 25%),
    linear-gradient(-45deg, #293341 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #293341 75%),
    linear-gradient(-45deg, transparent 75%, #293341 75%);
  background-position:
    0 0,
    0 6px,
    6px -6px,
    -6px 0;
  background-size: 12px 12px;
  border: 1px solid var(--line);
}

.character-copy strong,
.character-copy span {
  display: block;
}

.character-copy strong {
  font-size: 14px;
}

.character-copy span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.character-index {
  color: var(--gold);
  font: 700 11px "Bahnschrift Condensed", "Arial Narrow", sans-serif;
}

.keyboard-guide {
  margin: 18px 14px;
  padding: 12px;
  border: 1px solid var(--line-soft);
  color: var(--muted);
}

.keyboard-guide p {
  margin: 0 0 9px;
  color: var(--paper);
  font: 700 11px "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  letter-spacing: 0.12em;
}

.keyboard-guide dl {
  margin: 0;
}

.keyboard-guide dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0;
  font-size: 10px;
}

.keyboard-guide dt,
.keyboard-guide dd {
  margin: 0;
}

.keyboard-guide dd {
  color: var(--gold);
}

.stage-panel {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: #0d131b;
}

.stage-header {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
}

.direction-readout {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--muted);
  font: 700 10px "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  letter-spacing: 0.13em;
}

.direction-readout strong {
  min-width: 48px;
  color: var(--gold);
  font-size: 32px;
  line-height: 1;
  text-align: right;
}

.stage {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  display: grid;
  place-items: center;
  isolation: isolate;
  outline: none;
}

.stage.checker {
  background-color: #c8cbd1;
  background-image:
    linear-gradient(45deg, #9da3ad 25%, transparent 25%),
    linear-gradient(-45deg, #9da3ad 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #9da3ad 75%),
    linear-gradient(-45deg, transparent 75%, #9da3ad 75%);
  background-position:
    0 0,
    0 18px,
    18px -18px,
    -18px 0;
  background-size: 36px 36px;
}

.stage.dark {
  background: #05070a;
}

.stage.light {
  background: #f4f1e8;
}

.stage.lime {
  background: #00ff00;
}

.stage.magenta {
  background: #ff00ff;
}

.stage::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  pointer-events: none;
}

.axis,
.ground-line {
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.axis-x {
  left: 50%;
  top: 18px;
  bottom: 18px;
  border-left: 1px dashed rgba(216, 168, 71, 0.45);
}

.axis-y {
  left: 18px;
  right: 18px;
  top: 50%;
  border-top: 1px dashed rgba(216, 168, 71, 0.26);
}

.ground-line {
  left: 13%;
  right: 13%;
  top: calc(50% + 236px);
  border-top: 1px solid rgba(185, 89, 62, 0.8);
}

.sprite {
  position: relative;
  z-index: 1;
  width: min(512px, 72vmin);
  height: min(512px, 72vmin);
  object-fit: contain;
  image-rendering: auto;
  transform: scale(var(--sprite-zoom, 1.1));
  transform-origin: center;
  user-select: none;
  filter: drop-shadow(0 14px 18px var(--shadow));
}

.stage.lime .sprite,
.stage.magenta .sprite {
  filter: none;
}

.stage-meta {
  position: absolute;
  z-index: 3;
  right: 26px;
  bottom: 24px;
  display: flex;
  gap: 14px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(7, 10, 15, 0.82);
  color: #e8edf3;
  font: 700 10px "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  letter-spacing: 0.09em;
}

.load-error {
  position: relative;
  z-index: 5;
  padding: 14px 18px;
  border: 1px solid var(--rust);
  background: #261816;
  color: #ffd9cf;
}

.transport {
  min-height: 62px;
  display: grid;
  grid-template-columns: 104px 1fr;
  align-items: center;
  gap: 15px;
  padding: 10px 18px;
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.transport-button,
.segmented button,
.background-options button,
.direction-pad button {
  border: 1px solid var(--line);
  background: var(--panel-2);
  font-family: "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  font-weight: 700;
  letter-spacing: 0.07em;
  cursor: pointer;
}

.transport-button {
  height: 38px;
  color: var(--gold);
}

.transport-button:hover,
.segmented button:hover,
.background-options button:hover,
.direction-pad button:hover,
.transport-button:focus-visible,
.segmented button:focus-visible,
.background-options button:focus-visible,
.direction-pad button:focus-visible {
  border-color: var(--gold);
  outline: none;
}

.range-control {
  display: grid;
  grid-template-columns: 47px 1fr 46px;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font: 700 10px "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  letter-spacing: 0.1em;
}

.range-control input {
  width: 100%;
  accent-color: var(--gold);
}

.range-control output {
  color: var(--paper);
  text-align: right;
}

.control-section {
  border-bottom: 1px solid var(--line);
}

.control-section > :not(.panel-heading) {
  margin-left: 14px;
  margin-right: 14px;
}

.direction-pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin-top: 14px;
  margin-bottom: 14px;
}

.direction-pad button,
.pad-center {
  aspect-ratio: 1.2;
  display: grid;
  place-items: center;
}

.direction-pad button.active,
.segmented button.active,
.background-options button.active {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--ink);
}

.pad-center {
  color: var(--gold-dark);
  border: 1px dashed var(--line);
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 14px;
}

.segmented button {
  min-height: 35px;
  padding: 5px;
}

.segmented button + button {
  border-left: 0;
}

.control-section .range-control {
  margin-top: 14px;
  margin-bottom: 14px;
}

.background-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-top: 14px;
  margin-bottom: 14px;
}

.background-options button {
  min-height: 34px;
  font-size: 11px;
}

.background-options button:last-child {
  grid-column: 1 / -1;
}

.qa-summary {
  margin: 16px 14px;
  padding: 13px;
  border: 1px solid var(--gold-dark);
  background: #171a1e;
}

.qa-summary > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 0;
  color: var(--muted);
  font: 700 10px "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  letter-spacing: 0.1em;
}

.qa-summary strong {
  color: var(--success);
}

.qa-summary p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.footer {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 18px;
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: #667486;
  font: 700 9px "Bahnschrift Condensed", "Arial Narrow", sans-serif;
  letter-spacing: 0.08em;
}

.footer span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.footer a {
  flex: 0 0 auto;
  color: #728094;
  text-decoration: none;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--gold);
}

@media (max-width: 1080px) {
  .workspace {
    grid-template-columns: 190px minmax(420px, 1fr);
  }

  .control-panel {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .qa-summary {
    align-self: stretch;
  }
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
  }

  .topbar-status {
    display: none;
  }

  .workspace {
    display: block;
  }

  .character-panel {
    border-right: 0;
  }

  .character-list {
    grid-template-columns: repeat(5, minmax(120px, 1fr));
    overflow-x: auto;
  }

  .character-button {
    grid-template-columns: 38px 1fr;
  }

  .character-thumb {
    width: 38px;
    height: 38px;
  }

  .character-index,
  .keyboard-guide {
    display: none;
  }

  .stage {
    min-height: 480px;
  }

  .control-panel {
    display: block;
  }
}