*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #f6f2ea;
  color: #4b4a47;
  font-family: system-ui, -apple-system, sans-serif;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#game {
  display: block;
  width: 100%;
  height: 100%;
}

.status {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(190, 180, 170, 0.6);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 5;
  text-align: center;
}

.status-level {
  font-size: 14px;
  color: #6a6259;
  margin-bottom: 4px;
}

.status-steps {
  font-size: 20px;
  font-weight: 600;
}

.status-timer {
  font-size: 12px;
  color: #9a8e84;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
}

.help-chip {
  position: absolute;
  top: 102px;
  left: 50%;
  transform: translateX(-50%);
  appearance: none;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(190, 180, 170, 0.6);
  padding: 5px 11px;
  border-radius: 8px;
  font-size: 13px;
  color: #6a6259;
  cursor: pointer;
  z-index: 5;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.help-chip:hover {
  color: #4b4a47;
  background: rgba(255, 255, 255, 0.97);
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(246, 242, 234, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.overlay.hidden {
  display: none;
}

.overlay-card {
  background: rgba(255, 250, 242, 0.95);
  border: 1px solid rgba(190, 180, 170, 0.6);
  padding: 32px 40px;
  border-radius: 12px;
  text-align: center;
}

.overlay-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.overlay-button {
  appearance: none;
  border: 1px solid #cfc3b6;
  background: #f1e7db;
  color: #4b4a47;
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
}

.overlay-subtitle {
  font-size: 14px;
  color: #6a6259;
  margin: 0 0 16px;
}

.overlay-time {
  font-size: 13px;
  color: #9a8e84;
  margin: -8px 0 16px;
  font-variant-numeric: tabular-nums;
}

.loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(190, 180, 170, 0.6);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 9;
}

.loading.hidden {
  display: none;
}

.controls {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  z-index: 6;
}

.control-btn {
  appearance: none;
  border: 1px solid rgba(190, 180, 170, 0.7);
  background: #f1e7db;
  color: #4b4a47;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}

.control-btn:active {
  transform: translateY(1px);
}

.control-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.control-restart {
  min-width: 90px;
}

.control-skip {
  display: flex;
  align-items: center;
  gap: 6px;
}

.skip-counter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(90, 120, 150, 0.18);
  font-size: 11px;
  font-weight: 700;
  color: #5a7896;
  line-height: 1;
}

@media (min-width: 900px) {
  .controls {
    bottom: 24px;
  }
}

.hidden {
  display: none;
}

/* ── Help popup ─────────────────────────────────────────────────────────── */

.help-overlay {
  position: absolute;
  inset: 0;
  background: rgba(70, 60, 50, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

.help-overlay.hidden {
  display: none;
}

.help-panel {
  background: #fffaf2;
  border: 1px solid rgba(190, 180, 170, 0.6);
  border-radius: 14px;
  width: min(420px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 12px 40px rgba(80, 70, 60, 0.22);
  overflow: hidden;
}

.help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid rgba(190, 180, 170, 0.45);
  flex-shrink: 0;
}

.help-title {
  font-size: 16px;
  font-weight: 600;
  color: #4b4a47;
}

.help-close {
  appearance: none;
  border: none;
  background: none;
  cursor: pointer;
  color: #a09488;
  font-size: 18px;
  padding: 4px;
  border-radius: 6px;
  line-height: 1;
  transition: color 0.15s;
}

.help-close:hover {
  color: #4b4a47;
}

.help-body {
  overflow-y: auto;
  padding: 16px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.help-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.help-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #9a8e84;
  margin: 0;
}

.help-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #4b4a47;
}

.help-keys {
  display: flex;
  gap: 4px;
}

.help-text {
  font-size: 14px;
  color: #5a5650;
  margin: 0;
  line-height: 1.5;
}

.help-text em {
  font-style: normal;
  font-weight: 600;
  color: #4b4a47;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 5px;
  background: #f1e7db;
  border: 1px solid #cfc3b6;
  border-radius: 5px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: #5a5650;
  box-shadow: 0 1px 0 #bfb5aa;
  white-space: nowrap;
}

.cell-entry {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.cell-dot {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  margin-top: 1px;
}

.cell-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 14px;
}

.cell-info strong {
  color: #4b4a47;
  font-weight: 600;
}

.cell-info span {
  color: #6a6259;
  line-height: 1.4;
}

/* ── end Help popup ─────────────────────────────────────────────────────── */

.map-tooltip {
  position: absolute;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255, 250, 242, 0.95);
  border: 1px solid rgba(190, 180, 170, 0.6);
  color: #4b4a47;
  font-size: 12px;
  z-index: 8;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(120, 110, 100, 0.2);
}