.fm-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px 24px;
  color: var(--cg-ink);
  font-family: Inter, Arial, sans-serif;
}

.fm-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.fm-statline {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.fm-stat {
  min-width: 74px;
  padding: 8px 10px;
  border: 1px solid var(--cg-line);
  border-radius: 8px;
  background: var(--cg-panel);
  box-shadow: 0 8px 20px rgba(33, 43, 40, 0.08);
}

.fm-stat span,
.fm-hud span,
.fm-final-grid span {
  display: block;
  color: var(--cg-muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
}

.fm-stat strong,
.fm-hud strong,
.fm-final-grid strong {
  display: block;
  margin-top: 2px;
  color: var(--cg-ink);
  font-size: 19px;
  line-height: 1;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.fm-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fm-btn,
.fm-close {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--cg-line);
  border-radius: 8px;
  background: var(--cg-panel);
  color: var(--cg-ink);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(33, 43, 40, 0.08);
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.fm-btn {
  padding: 0 14px;
}

.fm-icon {
  display: inline-grid;
  place-items: center;
  padding: 0;
}

.fm-btn:hover,
.fm-close:hover {
  transform: translateY(-1px);
  border-color: var(--cg-teal);
}

.fm-btn:focus-visible,
.fm-close:focus-visible,
.fm-canvas:focus-visible,
.fm-seg-btn:focus-visible {
  outline: 3px solid rgba(49, 95, 157, 0.35);
  outline-offset: 3px;
}

.fm-primary {
  border-color: transparent;
  background: var(--cg-teal);
  color: #fff;
}

.fm-stage {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--cg-line);
  border-radius: 8px;
  background: #e8efed;
  box-shadow: var(--cg-shadow);
  touch-action: none;
}

.fm-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: min(72vh, 680px);
  cursor: pointer;
}

.fm-hud {
  position: absolute;
  left: 10px;
  right: 10px;
  top: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  pointer-events: none;
}

.fm-hud div {
  min-width: 0;
  padding: 7px 8px;
  border: 1px solid rgba(216, 222, 216, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  text-align: center;
  box-shadow: 0 8px 18px rgba(33, 43, 40, 0.08);
  backdrop-filter: blur(8px);
}

.fm-start,
.fm-result {
  position: absolute;
  left: 50%;
  display: grid;
  gap: 8px;
  width: min(86%, 330px);
  padding: 16px;
  border: 1px solid var(--cg-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--cg-ink);
  text-align: center;
  box-shadow: var(--cg-shadow);
  transform: translateX(-50%);
  backdrop-filter: blur(10px);
}

.fm-start {
  bottom: 18px;
}

.fm-result {
  top: 50%;
  transform: translate(-50%, -50%);
  animation: fm-pop 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

.fm-start strong,
.fm-result strong {
  font-size: 23px;
  line-height: 1.1;
}

.fm-start span,
.fm-result span,
.fm-result p,
.fm-tip {
  margin: 0;
  color: var(--cg-muted);
  font-size: 14px;
  line-height: 1.35;
}

.fm-final-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.fm-final-grid div {
  padding: 7px 2px;
  border: 1px solid var(--cg-line);
  border-radius: 7px;
  background: rgba(246, 247, 242, 0.92);
}

.fm-final-grid strong {
  font-size: 15px;
}

.fm-result-actions {
  display: flex;
  gap: 8px;
}

.fm-result-actions .fm-btn {
  flex: 1 1 0;
}

.fm-below {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.fm-seg {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--cg-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 8px 20px rgba(33, 43, 40, 0.07);
}

.fm-seg-btn {
  min-height: 44px;
  min-width: 84px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--cg-muted);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.fm-seg-btn[aria-pressed="true"] {
  background: var(--cg-ink);
  color: #fff;
}

.fm-tip {
  flex: 1 1 220px;
}

.fm-modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(30, 37, 40, 0.44);
}

.fm-modal-card {
  position: relative;
  width: min(92vw, 430px);
  padding: 20px;
  border: 1px solid var(--cg-line);
  border-radius: 8px;
  background: var(--cg-panel);
  box-shadow: var(--cg-shadow);
}

.fm-modal-card h2 {
  margin: 0 52px 10px 0;
  font-size: 1.35rem;
}

.fm-modal-card p {
  margin: 9px 0;
  color: var(--cg-muted);
  line-height: 1.45;
}

.fm-close {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 0;
  font-size: 24px;
}

.fm-hidden {
  display: none !important;
}

.fm-shake {
  animation: fm-shake 250ms linear;
}

@keyframes fm-pop {
  from { opacity: 0; transform: translate(-50%, -46%) scale(0.94); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes fm-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(2px); }
}

@media (max-width: 560px) {
  .fm-shell {
    padding: 0 8px 20px;
  }

  .fm-topbar {
    gap: 8px;
  }

  .fm-stat {
    min-width: 58px;
    padding: 7px 8px;
  }

  .fm-stat strong {
    font-size: 17px;
  }

  .fm-actions {
    gap: 6px;
  }

  .fm-hud {
    left: 7px;
    right: 7px;
    top: 7px;
    gap: 5px;
  }

  .fm-hud div {
    padding: 6px 3px;
  }

  .fm-hud span {
    font-size: 9px;
  }

  .fm-hud strong {
    font-size: 15px;
  }

  .fm-start,
  .fm-result {
    width: min(90%, 320px);
    padding: 14px;
  }

  .fm-below {
    display: grid;
    grid-template-columns: 1fr;
  }

  .fm-seg {
    width: 100%;
  }

  .fm-seg-btn {
    flex: 1 1 0;
  }
}