:root {
  --bg: #0b0e14;
  --panel: rgba(18, 23, 34, 0.92);
  --panel-border: #232b3d;
  --text: #e8edf5;
  --dim: #8b96ab;
  --accent: #35d0e0;
  --accent-soft: rgba(53, 208, 224, 0.14);
  --good: #4ade80;
  --warn: #fbbf24;
  --target: #ff9f43;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

#game {
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
  background: var(--bg);
}

/* ---------- HUD ---------- */
#hud {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 28px;
  align-items: baseline;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px 26px;
  font-size: 22px;
  font-variant-numeric: tabular-nums;
  z-index: 5;
}
#hud-time { color: var(--accent); font-weight: 700; min-width: 2.2ch; text-align: center; }
#hud-acc { color: var(--dim); }
#hud-streak { color: var(--good); font-weight: 600; }

/* ---------- status chips ---------- */
#pad-status, #sound-status {
  position: absolute;
  bottom: 14px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--dim);
  z-index: 5;
}
#pad-status { left: 14px; }
#pad-status.ok { color: var(--good); }
#sound-status { right: 14px; }

.hidden { display: none !important; }

/* ---------- screens ---------- */
#screens {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}
#screens.hidden { display: none !important; }

.screen {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 36px 44px;
  min-width: 480px;
  max-width: min(860px, 94vw);
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  text-align: center;
}

.screen h1 {
  font-size: 44px;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.screen h1 .accent { color: var(--accent); }
.screen h2 { font-size: 30px; margin-bottom: 6px; }
.screen .sub { color: var(--dim); font-size: 17px; margin-bottom: 26px; }

.menu-list { display: flex; flex-direction: column; gap: 12px; margin: 8px 0; }

.menu-item {
  appearance: none;
  border: 2px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 12px;
  padding: 14px 22px;
  font-size: 21px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.1s, background 0.1s, transform 0.08s;
}
.menu-item .item-desc {
  display: block;
  font-size: 14px;
  color: var(--dim);
  margin-top: 3px;
  font-weight: 400;
}
.menu-item .item-meta {
  float: right;
  font-size: 15px;
  color: var(--dim);
  margin-left: 16px;
  font-variant-numeric: tabular-nums;
}
.menu-item.focused {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: scale(1.02);
  outline: none;
}
.menu-item.locked { opacity: 0.4; }
.menu-item.danger.focused { border-color: #f87171; background: rgba(248, 113, 113, 0.12); }

/* level grid */
.level-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 10px 0 6px;
}
.level-grid .menu-item {
  text-align: center;
  padding: 14px 6px;
  font-size: 24px;
  font-weight: 700;
}
.level-grid .item-desc { text-align: center; font-size: 13px; }

/* settings rows */
.setting-row { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.setting-row .item-value {
  color: var(--accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.stick-preview {
  display: block;
  margin: 14px auto 4px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(0, 0, 0, 0.3);
}

/* results */
.result-stats {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin: 18px 0 24px;
  flex-wrap: wrap;
}
.result-stat { text-align: center; }
.result-stat .big {
  font-size: 42px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.result-stat .label { color: var(--dim); font-size: 14px; text-transform: uppercase; letter-spacing: 1px; }
.result-stat.pass .big { color: var(--good); }
.result-stat.fail .big { color: var(--warn); }

.result-msg { font-size: 19px; margin-bottom: 18px; }
.result-msg.unlock { color: var(--good); font-weight: 700; }

.hint {
  color: var(--dim);
  font-size: 14px;
  margin-top: 22px;
  line-height: 1.6;
}
.hint b { color: var(--text); font-weight: 600; }

/* stats table */
.stats-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}
.stats-table th {
  color: var(--dim);
  font-weight: 600;
  text-align: left;
  padding: 6px 10px;
  border-bottom: 1px solid var(--panel-border);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.stats-table td { padding: 7px 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.04); text-align: left; }
.stats-table td.num { text-align: right; }

.chart-canvas {
  display: block;
  margin: 10px auto;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(0, 0, 0, 0.25);
  max-width: 100%;
}

#hud-weapon {
  color: var(--target);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 1px;
  border-left: 1px solid var(--panel-border);
  padding-left: 22px;
}
#hud-weapon.stun { color: #4aa8ff; }