@font-face {
  font-family: "Share Tech Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/share-tech-mono.woff2") format("woff2");
}

:root {
  --bg: #0a0a0f;
  --green: #00ff88;
  --green-dim: #00cc6a;
  --red: #ff4444;
  --panel: rgba(10, 20, 14, 0.72);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--green);
  font-family: "Share Tech Mono", "Courier New", monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

body {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 16px 12px 32px;
}

.stage {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.title {
  margin: 0;
  font-size: 28px;
  letter-spacing: 8px;
  color: var(--green);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  flex: 1;
  text-align: center;
}

.header-ctrls {
  display: flex;
  gap: 6px;
}

.ctrl-btn,
.mute-btn {
  background: transparent;
  border: 1px solid rgba(0, 255, 136, 0.4);
  color: var(--green);
  font-family: inherit;
  font-size: 16px;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.ctrl-btn:hover:not(:disabled),
.mute-btn:hover {
  background: rgba(0, 255, 136, 0.12);
  border-color: var(--green);
}

.ctrl-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.mute-btn.muted {
  color: var(--red);
  border-color: rgba(255, 68, 68, 0.4);
}

.ctrl-btn.paused {
  color: #ffdd44;
  border-color: rgba(255, 221, 68, 0.5);
}

.subtitle {
  margin: 0;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--green-dim);
  opacity: 0.85;
  text-align: center;
}

.hud-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 4px;
  background: var(--panel);
  margin-top: 4px;
}

.hud-stat {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.hud-stat-right {
  text-align: right;
  align-items: flex-end;
}

.hud-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--green-dim);
}

.hud-value {
  font-size: 26px;
  letter-spacing: 1px;
  color: var(--green);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.4);
  line-height: 1;
}

.hud-value-sm {
  font-size: 16px;
  text-shadow: none;
}

.hud-next {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border: 1px solid rgba(0, 255, 136, 0.35);
  border-radius: 3px;
  background: rgba(0, 30, 18, 0.45);
}

.hud-next .hud-label {
  align-self: center;
}

.hud-next-frame {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hud-next-frame img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 4px rgba(0, 255, 200, 0.5));
}

.hud-next-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  font-size: 11px;
}

#nextName {
  color: var(--green);
  letter-spacing: 1px;
}

.hud-next-score {
  color: #ffdd44;
  font-weight: 600;
}

.canvas-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}

#game {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  aspect-ratio: 480 / 700;
  background: var(--bg);
  border: 1px solid rgba(0, 255, 136, 0.35);
  border-radius: 4px;
  box-shadow:
    0 0 20px rgba(0, 255, 136, 0.08),
    inset 0 0 60px rgba(0, 0, 0, 0.6);
  cursor: crosshair;
  touch-action: none;
}

.chain-panel {
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 4px;
  background: var(--panel);
  padding: 10px 8px 8px;
  margin-top: 6px;
}

.chain-label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--green);
  text-align: center;
  opacity: 0.85;
}

.chain-row {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 3px;
  align-items: end;
}

.chain-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 5px 2px 4px;
  border-radius: 3px;
  border: 1px solid transparent;
  opacity: 0.4;
  transition: opacity 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  position: relative;
}

.chain-item.unlocked {
  opacity: 1;
  border-color: rgba(0, 255, 136, 0.45);
  background: rgba(0, 255, 136, 0.08);
  box-shadow: inset 0 0 8px rgba(0, 255, 136, 0.1);
}

.chain-item img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: drop-shadow(0 0 5px rgba(0, 255, 200, 0.45));
}

.chain-item.locked img {
  filter: grayscale(0.95) brightness(0.35);
}

.chain-tier {
  margin-top: 3px;
  font-size: 11px;
  color: var(--green);
  letter-spacing: 1px;
  font-weight: 600;
}

.chain-score {
  font-size: 10px;
  color: var(--green-dim);
  margin-top: 1px;
}

.chain-item.unlocked .chain-score {
  color: #ffdd44;
  font-weight: 600;
}

.hint {
  margin: 4px 0 0;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--green-dim);
  opacity: 0.7;
  text-align: center;
}