:root {
  --bg: #111827;
  --panel: #172033;
  --panel-2: #0f1728;
  --line: #2f456a;
  --text: #edf2ff;
  --muted: #a8b4d0;
  --accent: #7dd3fc;
  --accent-2: #facc15;
  --danger: #fb7185;
  --success: #4ade80;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    linear-gradient(180deg, #050816 0%, #0f1728 100%);
  color: var(--text);
  font-family: "Trebuchet MS", Verdana, sans-serif;
}

body {
  padding: 18px;
}

code {
  color: var(--accent-2);
  font-family: "Courier New", monospace;
}

button {
  appearance: none;
  border: 2px solid #385079;
  background: #203254;
  color: var(--text);
  padding: 12px 14px;
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

button:hover {
  transform: translateY(-1px);
  background: #29406b;
}

button:active {
  transform: translateY(1px);
}

button.secondary {
  background: #1f2a3d;
}

button.danger {
  background: #472134;
  border-color: #7f2d46;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.page-shell {
  display: grid;
  grid-template-columns: 360px minmax(720px, 1fr);
  gap: 18px;
  align-items: start;
}

.sidebar,
.game-column {
  display: grid;
  gap: 14px;
}

.panel {
  background: linear-gradient(180deg, rgba(28, 42, 71, 0.95), rgba(15, 23, 40, 0.96));
  border: 2px solid var(--line);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  padding: 16px;
}

.panel.compact {
  padding-top: 14px;
  padding-bottom: 14px;
}

.hero-panel h1 {
  margin: 4px 0 10px;
  font-size: 2rem;
  line-height: 1;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.subtitle {
  color: var(--muted);
  line-height: 1.45;
}

.notice {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid #49617e;
  background: rgba(20, 34, 58, 0.6);
  color: #d9e2ff;
  font-size: 0.95rem;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.button-row:last-of-type {
  grid-template-columns: 1fr;
}

.mascot-list {
  display: grid;
  gap: 10px;
}

.mascot-card {
  border: 2px solid #334869;
  background: rgba(10, 16, 28, 0.65);
  padding: 10px 12px;
  display: grid;
  gap: 8px;
  width: 100%;
  text-align: left;
}

.mascot-card.selected {
  border-color: var(--accent-2);
  box-shadow: inset 0 0 0 1px rgba(250, 204, 21, 0.35);
}

.mascot-card.locked {
  opacity: 0.68;
}

.mascot-name-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.mascot-name-row strong {
  font-size: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  padding: 4px 8px;
  font-size: 0.78rem;
  border: 1px solid #4a648d;
  color: var(--accent);
  background: rgba(18, 31, 53, 0.65);
}

.tag.locked {
  color: #fda4af;
  border-color: #8b4256;
}

.mascot-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  font-size: 0.82rem;
}

.stat {
  background: rgba(22, 35, 58, 0.7);
  border: 1px solid #3c5378;
  padding: 6px 8px;
}

.stat span {
  display: block;
  color: #9db2d5;
  font-size: 0.72rem;
}

.save-status {
  min-height: 1.4rem;
  margin: 10px 0 0;
  color: var(--success);
  font-size: 0.92rem;
}

.goal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.goal-item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  color: #dbe5ff;
}

.goal-item.done {
  color: #bff6c7;
}

.goal-icon {
  width: 18px;
  height: 18px;
  border: 2px solid #516b92;
  background: #0d1423;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
}

.goal-item.done .goal-icon {
  border-color: #2e7d4b;
  background: #13341e;
}

.goal-progress {
  margin-top: 2px;
  font-size: 0.82rem;
  color: #9bb0d5;
}

.controls-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 14px;
  align-items: center;
}

.controls-grid span {
  color: var(--muted);
}

.controls-grid strong {
  color: var(--accent-2);
}

.hud-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  background: linear-gradient(180deg, rgba(24, 37, 63, 0.95), rgba(12, 20, 35, 0.95));
  border: 2px solid var(--line);
  padding: 12px 14px;
}

.hud-strip div {
  display: grid;
  gap: 4px;
}

.hud-strip span {
  color: var(--muted);
  font-size: 0.78rem;
}

.hud-strip strong {
  font-size: 1rem;
}

.canvas-shell {
  border: 2px solid #3c5685;
  background: #060b16;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #6bb8ff;
}

.footer-note {
  padding: 12px 14px;
  color: #b7c7e5;
  background: rgba(13, 20, 36, 0.82);
  border: 1px solid #374f76;
  line-height: 1.45;
}

@media (max-width: 1280px) {
  .page-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  body {
    padding: 10px;
  }

  .button-row,
  .hud-strip {
    grid-template-columns: 1fr;
  }

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