.md-shell {
  --md-cab: #0d1d2a;
  --md-cab-2: #1b3a4d;
  --md-ice: #7fd4ff;
  --md-gold: #ffd24a;
  max-width: 840px;
  margin: 0 auto;
  padding: 0 12px 24px;
  color: var(--cg-ink);
  font-family: Inter, Arial, sans-serif;
}

.md-topbar,
.md-actions,
.md-hud,
.md-bar,
.md-legend,
.md-modes {
  display: flex;
  align-items: center;
}

.md-topbar {
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.md-actions {
  gap: 6px;
}

.md-hud > div {
  min-width: 66px;
  padding: 7px 10px;
  border: 1px solid var(--cg-line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 16px rgba(33, 43, 40, 0.08);
  text-align: center;
}

.md-hud span {
  display: block;
  color: var(--cg-muted);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.md-hud strong {
  display: block;
  margin-top: 2px;
  font-size: 18px;
  line-height: 1;
}

.md-btn,
.md-close {
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--cg-line);
  border-radius: 10px;
  background: #fff;
  color: var(--cg-ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.md-btn:focus-visible,
.md-close:focus-visible,
.md-key:focus-visible,
#md-canvas:focus-visible {
  outline: 3px solid rgba(49, 95, 157, 0.45);
  outline-offset: 3px;
}

.md-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.md-icon {
  padding: 0;
  font-size: 18px;
}

.md-primary {
  border-color: transparent;
  background: var(--md-cab-2);
  color: #fff;
}

.md-stage {
  position: relative;
  padding: 10px 10px 12px;
  overflow: hidden;
  border: 1px solid rgba(27, 58, 77, 0.9);
  border-radius: 16px;
  background: linear-gradient(180deg, #16374f 0%, #0c1e2b 100%);
  box-shadow: var(--cg-shadow);
  touch-action: none;
  user-select: none;
}

.md-hud {
  gap: 6px;
  margin-bottom: 8px;
}

.md-hud > div {
  flex: 1 1 0;
  min-width: 0;
  padding: 5px 4px;
  border-color: rgba(160, 205, 230, 0.28);
  background: rgba(9, 25, 36, 0.72);
  box-shadow: none;
}

.md-hud span {
  color: #8fb6cb;
  font-size: 9px;
}

.md-hud strong {
  color: #eaf6fd;
  font-size: 17px;
}

.md-board {
  position: relative;
  width: min(100%, 760px, calc(66vh * 1.2381));
  width: min(100%, 760px, calc(66dvh * 1.2381));
  aspect-ratio: 26 / 21;
  margin: 0 auto;
}

#md-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  background: var(--md-cab);
}

.md-banner {
  position: absolute;
  z-index: 6;
  top: 66px;
  left: 50%;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(6, 16, 24, 0.82);
  font-size: 15px;
  font-weight: 950;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transform: translateX(-50%);
  pointer-events: none;
}

.md-banner-bin { color: #9ff2c6; }
.md-banner-star { color: var(--md-gold); }
.md-banner-save { color: var(--md-ice); }
.md-banner-drain { color: #ff9d8c; }

.md-overlay {
  position: absolute;
  z-index: 12;
  top: 50%;
  left: 50%;
  display: grid;
  gap: 9px;
  width: min(84%, 360px);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 28px 70px rgba(6, 20, 30, 0.4);
  text-align: center;
  transform: translate(-50%, -50%);
  backdrop-filter: blur(10px);
}

.md-overlay strong {
  font-size: 24px;
  line-height: 1.1;
}

.md-overlay span,
.md-overlay p {
  margin: 0;
  color: var(--cg-muted);
  line-height: 1.45;
}

.md-overlay-note {
  font-size: 12px;
  font-weight: 700;
}

.md-pads {
  display: none;
}

.md-bar {
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
}

.md-legend {
  flex-wrap: wrap;
  gap: 12px;
  color: var(--cg-muted);
  font-size: 11px;
  font-weight: 800;
}

.md-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.md-mark {
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  font-size: 11px;
  line-height: 1;
}

.md-mark-peg {
  border-radius: 50%;
  background: #d6e8f3;
  box-shadow: inset -2px -2px 0 rgba(20, 40, 55, 0.35);
}

.md-mark-star {
  color: #b07c00;
  font-size: 16px;
}

.md-mark-bomb {
  border-radius: 50%;
  background: #e2563f;
}

.md-mark-ring {
  border: 2px solid #37a9c6;
  border-radius: 50%;
}

.md-modes {
  flex: 0 0 auto;
  gap: 6px;
}

.md-mode {
  padding: 0 12px;
  font-size: 13px;
}

.md-mode[aria-pressed="true"] {
  border-color: transparent;
  background: var(--md-cab-2);
  color: #fff;
}

.md-modal {
  position: fixed;
  z-index: 60;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(12, 28, 38, 0.5);
}

.md-modal-card {
  position: relative;
  width: min(100%, 460px);
  padding: 22px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(6, 20, 30, 0.4);
}

.md-modal-card h2 {
  margin: 0 48px 12px 0;
}

.md-modal-card p {
  margin: 0 0 10px;
  color: var(--cg-muted);
  line-height: 1.5;
}

.md-close {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 0;
  font-size: 22px;
}

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

@media (pointer: coarse) {
  .md-pads {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: min(100%, 720px);
    margin: 10px auto 0;
  }

  .md-key {
    min-width: 66px;
    min-height: 66px;
    border: 1px solid var(--cg-line);
    border-radius: 14px;
    background: #fff;
    color: var(--md-cab-2);
    font: inherit;
    font-size: 26px;
    font-weight: 900;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(33, 43, 40, 0.1);
    touch-action: none;
    user-select: none;
  }

  .md-key:active,
  .md-key[aria-pressed="true"] {
    border-color: transparent;
    background: var(--md-ice);
    color: #08202e;
    transform: translateY(1px);
  }
}

@media (max-width: 640px) {
  .md-shell {
    padding: 0 6px 16px;
  }

  .md-stage {
    padding: 7px 7px 9px;
    border-radius: 13px;
  }

  .md-topbar {
    gap: 4px;
    margin-bottom: 5px;
  }

  .md-actions {
    gap: 3px;
  }

  .md-actions .md-btn {
    min-width: 44px;
    padding: 0;
  }

  .md-hud {
    gap: 3px;
  }

  .md-hud > div {
    padding: 4px 1px;
  }

  .md-hud span {
    font-size: 8px;
  }

  .md-hud strong {
    font-size: 14px;
  }

  .md-banner {
    top: 68px;
    padding: 5px 10px;
    font-size: 12px;
  }

  .md-overlay {
    gap: 7px;
    width: min(90%, 340px);
    padding: 16px;
  }

  .md-overlay strong {
    font-size: 20px;
  }

  .md-bar {
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 7px;
  }

  .md-legend {
    gap: 7px;
    font-size: 10px;
  }

  .md-mark {
    width: 15px;
    height: 15px;
    font-size: 9px;
  }

  .md-mark-star {
    font-size: 13px;
  }

  .md-mode {
    padding: 0 9px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .md-overlay {
    backdrop-filter: none;
  }
}

.md-topbar .md-hud {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
}

.md-hud > div.md-hud-score {
  flex: 1.5 1 0;
}

.md-hud-score strong {
  color: var(--md-gold);
}

.md-topbar .md-btn {
  border-color: rgba(160, 205, 230, 0.3);
  background: rgba(9, 25, 36, 0.72);
  color: #d8eefa;
}

.md-meters {
  display: grid;
  gap: 3px;
  margin-bottom: 7px;
}

.md-meter {
  height: 4px;
  overflow: hidden;
  border-radius: 3px;
  background: rgba(150, 200, 230, 0.16);
}

.md-meter i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 3px;
}

.md-meter-goal i {
  background: linear-gradient(90deg, #ffb340, #ffe089);
  box-shadow: 0 0 8px rgba(255, 210, 74, 0.7);
  transition: width 200ms ease-out;
}

.md-meter-time i {
  background: linear-gradient(90deg, #3aa8d8, #7fd4ff);
}

.md-low .md-meter-time i {
  background: #ff6a55;
}

.md-low #md-time {
  color: #ff8a78;
  animation: md-tick 1s steps(2) infinite;
}

@keyframes md-tick {
  50% { opacity: 0.45; }
}

.md-record {
  display: flex;
  flex: 1 1 auto;
  gap: 12px;
  color: var(--cg-muted);
  font-size: 12px;
  font-weight: 800;
}

.md-record b {
  color: var(--cg-ink);
}

.md-result-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.md-stage {
  background: radial-gradient(120% 90% at 50% 0%, #1d4664 0%, #0c1e2b 70%);
  box-shadow: var(--cg-shadow), inset 0 0 0 1px rgba(127, 212, 255, 0.12);
}

#md-canvas {
  box-shadow: 0 0 0 1px rgba(127, 212, 255, 0.25), 0 10px 30px rgba(0, 0, 0, 0.45);
}

@media (prefers-reduced-motion: reduce) {
  .md-low #md-time { animation: none; }
}