:root {
  color-scheme: dark;
  --ink: #102018;
  --screen: #d7e894;
  --screen-dark: #6f8b48;
  --screen-deep: #304d34;
  --panel: #f4e8bc;
  --accent: #d24b3a;
  --gold: #f0b441;
  --shadow: #07110d;
}

* {
  box-sizing: border-box;
}

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

body {
  align-items: center;
  background:
    linear-gradient(180deg, rgba(16, 32, 24, 0.92), rgba(16, 32, 24, 0.98)),
    repeating-linear-gradient(90deg, #162b21 0 12px, #12251c 12px 24px);
  color: var(--panel);
  display: flex;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  justify-content: center;
  padding: 22px;
}

.game-shell {
  display: grid;
  gap: 12px;
  width: min(100%, 1040px);
}

.game-header {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  min-height: 38px;
}

.header-controls {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: end;
}

h1 {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
  margin: 0;
  text-transform: uppercase;
}

.run-status {
  background: var(--panel);
  border: 3px solid var(--shadow);
  box-shadow: 4px 4px 0 var(--shadow);
  color: var(--ink);
  font-size: clamp(0.75rem, 2vw, 0.95rem);
  font-weight: 800;
  line-height: 1;
  min-width: 92px;
  padding: 9px 12px;
  text-align: center;
  text-transform: uppercase;
}

.level-button {
  min-height: 38px;
  padding: 7px 12px;
}

.playfield {
  aspect-ratio: 16 / 9;
  background: var(--screen-dark);
  border: 6px solid var(--shadow);
  box-shadow: 8px 8px 0 rgba(7, 17, 13, 0.75);
  image-rendering: pixelated;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.touch-controls {
  align-items: end;
  display: none;
  gap: 14px;
  justify-content: space-between;
}

.touch-controls.is-touch {
  display: flex;
}

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

.touch-cluster {
  display: flex;
  gap: 10px;
}

.touch-actions {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(56px, auto));
}

.touch-button {
  align-items: center;
  background: var(--panel);
  border: 3px solid var(--shadow);
  box-shadow: 4px 4px 0 rgba(7, 17, 13, 0.7);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 900;
  justify-content: center;
  min-height: 56px;
  min-width: 56px;
  padding: 8px 10px;
  text-transform: uppercase;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.touch-button.is-pressed,
.touch-button:active {
  background: var(--gold);
  box-shadow: 2px 2px 0 rgba(7, 17, 13, 0.7);
  transform: translate(2px, 2px);
}

.touch-move {
  font-size: 1.4rem;
  min-height: 64px;
  min-width: 64px;
}

.touch-mini {
  font-size: 0.8rem;
  min-height: 46px;
}

.touch-jump {
  background: var(--gold);
  grid-column: 2 / 4;
}

.touch-jump.is-pressed,
.touch-jump:active {
  background: var(--accent);
  color: var(--panel);
}

.skill-panel {
  background: #21352a;
  border: 4px solid var(--shadow);
  box-shadow: 6px 6px 0 rgba(7, 17, 13, 0.7);
  padding: 12px;
}

.skill-header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
}

.skill-header h2 {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  margin: 0;
  text-transform: uppercase;
}

.skill-points {
  background: var(--gold);
  border: 3px solid var(--shadow);
  box-shadow: 3px 3px 0 rgba(7, 17, 13, 0.7);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 900;
  padding: 4px 10px;
  text-transform: uppercase;
}

.skill-hint {
  color: var(--screen);
  font-size: 0.78rem;
  line-height: 1.45;
  margin: 8px 0 12px;
}

.skill-hint.is-celebrating {
  color: var(--gold);
  font-weight: 900;
}

.skill-points.is-locked {
  background: var(--shadow);
  color: var(--screen-dark);
}

/* Locked tree still shows what is coming, just clearly out of reach. */
.skill-tree.is-locked {
  opacity: 0.55;
}

.skill-tree {
  align-items: start;
  display: grid;
  gap: 12px;
  /* Flows to as many branch columns as fit, so new paths need no CSS change. */
  grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
}

.skill-branch {
  display: grid;
  gap: 8px;
}

.skill-branch-name {
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin: 0 0 2px;
  text-align: center;
  text-transform: uppercase;
}

/* Each node sits under its prerequisite, so the column reads top-down as a path. */
.skill-node {
  background: #16241c;
  border: 3px solid var(--shadow);
  box-shadow: 3px 3px 0 rgba(7, 17, 13, 0.7);
  color: #8ba394;
  cursor: pointer;
  display: grid;
  font: inherit;
  gap: 3px;
  padding: 8px;
  position: relative;
  text-align: left;
}

/* The connector line that makes it read as a tree instead of a list. */
.skill-node + .skill-node::before {
  background: var(--shadow);
  content: "";
  height: 8px;
  left: 50%;
  position: absolute;
  top: -11px;
  width: 4px;
}

.skill-node-name {
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
}

.skill-node-cost {
  font-size: 0.72rem;
  font-weight: 900;
  opacity: 0.85;
}

.skill-node-detail {
  font-size: 0.72rem;
  line-height: 1.35;
}

.skill-node.is-ready {
  background: var(--panel);
  color: var(--ink);
}

.skill-node.is-ready:hover,
.skill-node.is-ready:focus-visible {
  background: var(--gold);
  transform: translate(-1px, -1px);
}

.skill-node.is-unlocked {
  background: var(--screen-dark);
  color: var(--ink);
}

.skill-node.is-unlocked .skill-node-cost::after {
  content: " - unlocked";
}

.skill-node:disabled {
  cursor: default;
}

.profile-panel {
  background: #21352a;
  border: 4px solid var(--shadow);
  box-shadow: 6px 6px 0 rgba(7, 17, 13, 0.7);
  padding: 12px;
}

.profile-card {
  align-items: start;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(170px, 1fr) minmax(256px, 320px);
}

.profile-preview {
  background: var(--screen);
  border: 4px solid var(--shadow);
  display: block;
  height: 128px;
  image-rendering: pixelated;
  width: 128px;
}

.profile-fields {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.profile-name {
  align-items: center;
  display: grid;
  gap: 8px;
  grid-template-columns: max-content minmax(0, 260px);
}

.profile-name span {
  color: var(--panel);
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
}

.profile-name input {
  background: var(--panel);
  border: 3px solid var(--shadow);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  font-weight: 800;
  min-height: 40px;
  min-width: 0;
  padding: 7px 10px;
  text-transform: uppercase;
}

.swatch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.swatch {
  background: var(--panel);
  border: 3px solid var(--shadow);
  box-shadow: 3px 3px 0 rgba(7, 17, 13, 0.7);
  cursor: pointer;
  height: 34px;
  padding: 0;
  width: 34px;
}

.swatch[aria-pressed="true"] {
  box-shadow: 0 0 0 3px var(--panel), 4px 4px 0 rgba(7, 17, 13, 0.7);
  transform: translate(-1px, -1px);
}

.swatch-black {
  background: #102018;
}

.swatch-red {
  background: #d24b3a;
}

.swatch-orange {
  background: #e07a2f;
}

.swatch-blue {
  background: #2e6f9f;
}

.swatch-cyan {
  background: #52c7d8;
}

.swatch-gold {
  background: #f0b441;
}

.swatch-green {
  background: #6f8b48;
}

.swatch-lime {
  background: #8fd14f;
}

.swatch-purple {
  background: #654f8f;
}

.swatch-pink {
  background: #d86aa3;
}

.swatch-brown {
  background: #8b5a3c;
}

.swatch-gray {
  background: #7d8790;
}

.swatch-white {
  background: #ffffff;
}

.swatch-midnight {
  background: #243f6b;
}

.swatch-skin {
  background: #f0c58a;
}

.swatch-cream {
  background: #f4e8bc;
}

.color-wheel {
  appearance: none;
  background: var(--panel);
  border: 3px solid var(--shadow);
  box-shadow: 3px 3px 0 rgba(7, 17, 13, 0.7);
  cursor: pointer;
  height: 34px;
  padding: 0;
  width: 46px;
}

.color-wheel::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-wheel::-webkit-color-swatch {
  border: 0;
}

.color-wheel::-moz-color-swatch {
  border: 0;
}

.color-wheel[aria-pressed="true"] {
  box-shadow: 0 0 0 3px var(--panel), 4px 4px 0 rgba(7, 17, 13, 0.7);
  transform: translate(-1px, -1px);
}

.pixel-studio {
  display: grid;
  gap: 10px;
  justify-items: start;
  position: relative;
}

.sprite-editor {
  background: var(--screen);
  border: 4px solid var(--shadow);
  cursor: crosshair;
  height: 256px;
  image-rendering: pixelated;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  width: 256px;
}

.sprite-editor:focus {
  box-shadow: 0 0 0 4px var(--gold);
  outline: 0;
}

.editor-popup {
  background: var(--panel);
  border: 3px solid var(--shadow);
  box-shadow: 4px 4px 0 rgba(7, 17, 13, 0.7);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 900;
  left: 12px;
  line-height: 1;
  opacity: 0;
  padding: 9px 12px;
  pointer-events: none;
  position: absolute;
  text-transform: uppercase;
  top: 12px;
  transform: translateY(-6px);
  transition: opacity 120ms ease, transform 120ms ease;
  z-index: 3;
}

.editor-popup[hidden] {
  display: none;
}

.editor-popup.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.editor-controls {
  display: grid;
  gap: 10px;
}

.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-button {
  background: var(--panel);
  border: 3px solid var(--shadow);
  box-shadow: 3px 3px 0 rgba(7, 17, 13, 0.7);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 900;
  min-height: 34px;
  padding: 5px 10px;
  text-transform: uppercase;
}

.tool-button[aria-pressed="true"] {
  background: var(--gold);
  transform: translate(-1px, -1px);
}

canvas {
  display: block;
  height: 100%;
  image-rendering: pixelated;
  width: 100%;
}

.level-message {
  background: var(--panel);
  border: 4px solid var(--shadow);
  box-shadow: 6px 6px 0 rgba(7, 17, 13, 0.8);
  color: var(--ink);
  font-size: clamp(1.25rem, 5vw, 3rem);
  font-weight: 900;
  left: 50%;
  line-height: 1;
  padding: 18px 22px;
  position: absolute;
  text-align: center;
  text-transform: uppercase;
  top: 34%;
  transform: translateX(-50%);
  white-space: nowrap;
}

@media (max-width: 640px) {
  body {
    align-items: start;
    padding: 12px;
  }

  .game-header {
    gap: 12px;
  }

  .header-controls {
    justify-content: start;
  }

  .run-status {
    min-width: 78px;
    padding: 8px 10px;
  }

  .profile-preview {
    height: 96px;
    width: 96px;
  }

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

  .profile-name {
    grid-template-columns: 1fr;
  }

  .sprite-editor {
    height: min(256px, calc(100vw - 56px));
    width: min(256px, calc(100vw - 56px));
  }

  .skill-tree {
    grid-template-columns: 1fr;
  }
}