body {
  background:
    radial-gradient(circle at top right, rgba(20, 184, 166, 0.18), transparent 28rem),
    linear-gradient(180deg, #0f172a 0%, var(--bg) 42%, #05070b 100%);
}

select {
  font: inherit;
}

.hiit-shell {
  max-width: 860px;
}

.hiit-view {
  display: grid;
  gap: 16px;
}

.hiit-title,
.view-header,
.workout-card,
.workout-form,
.step-item,
.inline-message {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(25, 33, 49, 0.98), rgba(18, 23, 34, 0.98));
  box-shadow: var(--shadow);
}

.hiit-title,
.view-header,
.workout-form {
  padding: 18px;
}

.hiit-title h1,
.view-header h1,
.run-view h1 {
  margin-bottom: 8px;
  font-size: clamp(2.4rem, 13vw, 4rem);
  line-height: 1;
  text-transform: uppercase;
}

.hiit-title p:last-child {
  margin-bottom: 0;
  color: #99f6e4;
  font-weight: 800;
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.view-header h2 {
  margin-bottom: 4px;
  font-size: 1.05rem;
  text-transform: uppercase;
}

.view-header span,
.workout-card span,
.step-item span,
.readonly-value {
  color: var(--muted);
}

.workout-list,
.step-list,
.type-grid {
  display: grid;
  gap: 12px;
}

.type-card {
  display: grid;
  gap: 10px;
  min-height: 126px;
  padding: 18px;
  border: 1px solid rgba(20, 184, 166, 0.55);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #142638, #0d1724);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  box-shadow: inset 4px 0 0 rgba(20, 184, 166, 0.95);
}

.type-card span {
  font-size: 1.25rem;
  font-weight: 900;
  text-transform: uppercase;
}

.type-card small {
  max-width: 36ch;
  font-size: 0.95rem;
}

.workout-card,
.step-item {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.workout-card strong,
.step-item strong {
  display: block;
  margin-bottom: 5px;
  font-size: 1.08rem;
}

.workout-actions,
.step-actions,
.bottom-actions,
.editor-actions,
.run-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.workout-actions button,
.step-actions button {
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
}

.step-actions button:first-child,
.step-actions button:nth-child(2) {
  width: 42px;
  padding: 0;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.empty-state,
.inline-message {
  margin: 0;
  padding: 14px;
}

.empty-state {
  border: 1px dashed rgba(20, 184, 166, 0.45);
  border-radius: var(--radius);
  color: var(--muted);
}

.inline-message {
  color: #99f6e4;
  font-weight: 800;
}

.workout-form {
  display: grid;
  gap: 16px;
}

.form-grid,
.step-fields {
  display: grid;
  gap: 10px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.form-field input {
  width: 100%;
  min-height: 50px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0f1521;
  color: var(--text);
}

.readonly-value {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0f1521;
}

.step-editor {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid rgba(20, 184, 166, 0.28);
  border-radius: var(--radius);
  background: rgba(8, 10, 15, 0.48);
}

#total-time {
  color: #99f6e4;
  font-weight: 900;
}

.form-status,
.status-message {
  min-height: 22px;
  margin: 0;
  color: #99f6e4;
  font-weight: 800;
}

.run-view {
  min-height: calc(100vh - 96px);
  align-content: center;
  justify-items: center;
  text-align: center;
}

.run-view h1 {
  max-width: 100%;
  margin: 0;
  overflow-wrap: anywhere;
}

.step-clock {
  display: block;
  color: #99f6e4;
  font-size: clamp(4.4rem, 22vw, 8rem);
  line-height: 0.95;
}

.run-progress,
.run-next,
.total-remaining,
.run-workout-name {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.run-next {
  color: #e0f2fe;
}

.total-remaining {
  color: #e0f2fe;
}

.run-actions,
.bottom-actions {
  justify-content: center;
}

.run-actions .primary-button,
.run-actions .ghost-button {
  min-width: 132px;
}

.run-home-action {
  justify-self: center;
}

@media (min-width: 620px) {
  .type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workout-card,
  .step-item {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .form-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .step-fields {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .view-header {
    display: grid;
    align-items: stretch;
  }

  .view-header .primary-button,
  .bottom-actions > *,
  .run-actions > *,
  .editor-actions > * {
    width: 100%;
  }
}