.metro-card {
  --metro-surface: rgba(16, 26, 42, 0.96);
  --metro-surface-raised: rgba(24, 39, 60, 0.94);
  --metro-border: rgba(129, 164, 190, 0.3);
  --metro-border-strong: rgba(74, 167, 194, 0.62);
  --metro-ink: #f4f8fc;
  --metro-muted: #aebdc9;
  --metro-soft: #d8e8f3;
  --metro-primary: #2f7d5d;
  --metro-primary-strong: #39a270;
  --metro-accent: #46c2e8;
  --metro-error: #fecaca;
  color: var(--metro-ink);
  background:
    linear-gradient(150deg, rgba(59, 130, 246, 0.18), transparent 35%),
    linear-gradient(180deg, rgba(24, 39, 60, 0.98), var(--metro-surface));
  border: 1px solid var(--metro-border);
  border-radius: 16px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
  display: grid;
  gap: 10px;
  max-width: 100%;
  min-width: 0;
  padding: 12px;
}

.metro-header-line,
.metro-transport-row,
.metro-options-row,
.metro-option-group,
.metro-beat-strip,
.metro-beat-pills {
  align-items: center;
  display: flex;
  min-width: 0;
}

.metro-header-line {
  gap: 10px;
}

.metro-mark {
  align-items: center;
  background: linear-gradient(135deg, #3068d8, #4cc6e5);
  border-radius: 12px;
  color: #fff;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 0.78rem;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  letter-spacing: 0;
  width: 34px;
}

.metro-title-group {
  min-width: 0;
}

.metro-eyebrow {
  color: var(--metro-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metro-current {
  color: var(--metro-ink);
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-practice-title {
  color: var(--metro-ink);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
}

.metro-custom-badge {
  appearance: none;
  background: rgba(47, 125, 93, 0.16);
  border: 1px solid rgba(75, 194, 139, 0.35);
  border-radius: 999px;
  color: #bff6d9;
  cursor: pointer;
  flex: 0 0 auto;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  margin-left: auto;
  padding: 5px 9px;
}

.metro-transport-row {
  gap: 8px;
}

.metro-step,
.metro-button,
.metro-option {
  appearance: none;
  border: 1px solid var(--metro-border);
  box-sizing: border-box;
  color: var(--metro-ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 1;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease, transform 120ms ease;
}

.metro-step {
  align-items: center;
  background: rgba(12, 20, 33, 0.72);
  border-radius: 10px;
  display: inline-flex;
  height: 36px;
  justify-content: center;
  padding: 0;
  width: 36px;
}

.metro-button {
  align-items: center;
  background: rgba(12, 20, 33, 0.72);
  border-radius: 10px;
  display: inline-flex;
  flex: 0 0 auto;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  white-space: nowrap;
}

.metro-card .metro-button.metro-button-primary:not(.is-running),
.metro-card .metro-button.metro-button-primary:not(.is-running):is(:hover, :focus-visible) {
  background: linear-gradient(135deg, var(--metro-primary), var(--metro-primary-strong)) !important;
  border-color: rgba(94, 234, 164, 0.42) !important;
  color: #fff !important;
  min-width: 72px;
}

.metro-card .metro-button.metro-button-primary.is-running,
.metro-card .metro-button.metro-button-primary.is-running:is(:hover, :focus-visible) {
  background: linear-gradient(135deg, #f43f5e, #be123c) !important;
  border-color: rgba(251, 113, 133, 0.68) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 7px 16px rgba(190, 18, 60, 0.22) !important;
  color: #fff !important;
}

.metro-step:hover,
.metro-button:hover,
.metro-option:hover,
.metro-custom-badge:hover {
  border-color: var(--metro-border-strong);
  transform: translateY(-1px);
}

.metro-step.is-holding,
.metro-button.is-tap-pulse {
  background: rgba(70, 194, 232, 0.2);
  border-color: rgba(70, 194, 232, 0.68);
  color: #effcff;
  transform: translateY(0) scale(0.98);
}

.metro-bpm {
  align-items: center;
  background: rgba(12, 20, 33, 0.72);
  border: 1px solid var(--metro-border);
  border-radius: 10px;
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
  height: 36px;
  min-width: 128px;
  overflow: visible;
  padding: 0 10px;
}

.metro-bpm span {
  color: var(--metro-muted);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.metro-bpm input {
  appearance: textfield;
  background: transparent;
  border: 0;
  box-sizing: border-box;
  color: var(--metro-ink);
  font: inherit;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  min-width: 4.8rem;
  outline: 0;
  padding: 0;
  text-align: center;
  width: 4.8rem;
}

.metro-bpm input::-webkit-inner-spin-button,
.metro-bpm input::-webkit-outer-spin-button {
  appearance: none;
  margin: 0;
}

.metro-options-grid {
  align-items: start;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-width: 0;
}

.metro-option-group {
  align-items: start;
  background: rgba(12, 20, 33, 0.32);
  border: 1px solid rgba(129, 164, 190, 0.18);
  border-radius: 12px;
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 6px;
}

.metro-option-group > span {
  color: var(--metro-muted);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
}

.metro-options-row {
  flex-wrap: wrap;
  gap: 7px;
}

.metro-option {
  background: rgba(12, 20, 33, 0.58);
  border-radius: 999px;
  min-height: 28px;
  padding: 0 9px;
}

.metro-option.is-active {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.96), rgba(79, 70, 229, 0.9));
  border-color: rgba(165, 243, 252, 0.82);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    0 0 12px rgba(56, 189, 248, 0.2);
  color: #ffffff;
}

.metro-beat-strip {
  gap: 6px;
  justify-content: center;
}

.metro-beat-pills {
  gap: 5px;
}

.metro-beat {
  background: rgba(216, 232, 243, 0.16);
  border: 1px solid rgba(216, 232, 243, 0.16);
  border-radius: 999px;
  color: rgba(244, 248, 252, 0.72);
  display: inline-flex;
  font-size: 0.68rem;
  font-weight: 900;
  height: 22px;
  justify-content: center;
  line-height: 22px;
  width: 22px;
}

.metro-beat.is-emphasized {
  background: rgba(70, 194, 232, 0.18);
  border-color: rgba(70, 194, 232, 0.58);
  color: #dff8ff;
}

.metro-beat.is-active {
  background: var(--metro-accent);
  border-color: var(--metro-accent);
  color: #08212a;
}

.metro-floating-hint {
  background: rgba(70, 194, 232, 0.12);
  border: 1px solid rgba(70, 194, 232, 0.34);
  border-radius: 10px;
  color: #dff8ff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 8px 10px;
}

.metro-error {
  background: rgba(127, 29, 29, 0.42);
  border: 1px solid rgba(248, 113, 113, 0.34);
  border-radius: 10px;
  color: var(--metro-error);
  font-size: 0.78rem;
  line-height: 1.35;
  padding: 8px 10px;
}

/* Practice embeds the same component inside an established fixed-height tool
   card. This supported layout changes density only; transport and state remain
   owned by the component host. */
.metro-card--practice-compact {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  gap: 4px;
  grid-template-rows: auto auto auto;
  height: 100%;
  padding: 0;
  position: relative;
  width: 100%;
}

.metro-card--practice-compact .metro-header-line {
  gap: 6px;
  min-height: 24px;
}

.metro-card--practice-compact .metro-mark {
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.22);
  border-radius: 8px;
  color: rgba(153, 246, 228, 0.92);
  font-size: 0.9rem;
  height: 24px;
  width: 24px;
}

.metro-card--practice-compact .metro-eyebrow {
  font-size: 0.58rem;
  line-height: 1;
}

.metro-card--practice-compact .metro-current {
  font-size: 0.72rem;
  line-height: 1.05;
}

.metro-card--practice-compact .metro-practice-title {
  font-size: 1.02rem;
  line-height: 1;
}

.metro-card--practice-compact .metro-custom-badge {
  font-size: 0.62rem;
  min-height: 22px;
  padding: 2px 7px;
}

.metro-card--practice-compact .metro-transport-row {
  gap: 4px;
}

.metro-card--practice-compact .metro-step {
  border-radius: 8px;
  height: 28px;
  width: 28px;
}

.metro-card--practice-compact .metro-bpm {
  border-radius: 8px;
  gap: 3px;
  height: 28px;
  min-width: 82px;
  padding: 0 5px;
}

.metro-card--practice-compact .metro-bpm span {
  font-size: 0.56rem;
}

.metro-card--practice-compact .metro-bpm input {
  font-size: 0.86rem;
  min-width: 2.7rem;
  width: 2.7rem;
}

.metro-card--practice-compact .metro-button {
  border-radius: 8px;
  font-size: 0.68rem;
  min-height: 28px;
  padding: 0 7px;
}

.metro-card--practice-compact .metro-button-primary {
  min-width: 54px;
}

.metro-card--practice-compact .metro-options-grid {
  gap: 4px;
}

.metro-card--practice-compact .metro-option-group {
  border-radius: 8px;
  gap: 3px;
  padding: 3px 4px;
}

.metro-card--practice-compact .metro-option-group > span {
  font-size: 0.52rem;
}

.metro-card--practice-compact .metro-options-row {
  flex-wrap: nowrap;
  gap: 3px;
}

.metro-card--practice-compact .metro-option {
  flex: 1 1 0;
  font-size: 0.62rem;
  min-height: 21px;
  padding: 0 4px;
}

.metro-card--practice-compact .metro-beat-strip {
  display: none;
}

.metro-card--practice-compact .metro-beat-pills {
  gap: 4px;
}

.metro-card--practice-compact .metro-beat {
  font-size: 0.56rem;
  height: 15px;
  line-height: 15px;
  width: 15px;
}

.metro-card--practice-compact .metro-floating-hint,
.metro-card--practice-compact .metro-error {
  font-size: 0.66rem;
  padding: 4px 6px;
}

.metro-card--practice-compact .metro-floating-hint {
  background: linear-gradient(135deg, rgba(136, 19, 55, 0.98), rgba(190, 18, 60, 0.96));
  border-color: rgba(253, 164, 175, 0.74);
  align-items: center;
  bottom: 1px;
  box-sizing: border-box;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 8px 18px rgba(76, 5, 25, 0.36);
  color: #fff1f2;
  font-weight: 800;
  justify-content: center;
  left: 2px;
  min-height: 34px;
  position: absolute;
  right: 2px;
  text-align: center;
  z-index: 3;
}

.metro-card--practice-compact.is-tap-mode .metro-options-grid {
  visibility: hidden;
}

@media (max-width: 740px) {
  .metro-card {
    padding: 12px;
  }

  .metro-transport-row {
    flex-wrap: wrap;
  }

  .metro-options-grid {
    grid-template-columns: 1fr;
  }
}