/* ============================================================
   StepSequencePanel — fixed bottom panel for guided step sequences
   Elderly-friendly: high contrast, large buttons, clear progress
   ============================================================ */

.step-panel {
  flex-shrink: 0;
  background-color: var(--color-surface);
  border-top: 3px solid var(--color-primary);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  box-shadow: 0 -4px 16px var(--color-shadow);
  animation: slideUp 300ms ease forwards;
}

/* ---- Header row ---- */
.step-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.step-panel__task-name {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-primary);
}

.step-panel__step-count {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-light);
  white-space: nowrap;
}

/* ---- Progress bar ---- */
.step-panel__progress {
  display: flex;
  gap: 4px;
  height: 10px;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.step-panel__progress-segment {
  flex: 1;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  transition: background-color var(--transition);
}

.step-panel__progress-segment--filled {
  background-color: var(--color-primary);
}

/* ---- Current step box ---- */
.step-panel__current-step {
  background-color: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
}

.step-panel__step-text {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text);
  line-height: var(--line-height);
  margin: 0;
}

/* ---- Action buttons ---- */
.step-panel__actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.step-panel__btn {
  flex: 1;
  min-width: 180px;
  font-size: var(--font-size-md);
  font-weight: 700;
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: 56px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.step-panel__btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
}

.step-panel__btn--primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  box-shadow: 0 4px 12px var(--color-shadow);
}

.step-panel__btn--secondary {
  background-color: var(--color-white);
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.step-panel__btn--secondary:hover:not(:disabled) {
  background-color: var(--color-surface-alt);
  border-color: var(--color-primary);
}

.step-panel__btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.step-panel__btn:active {
  transform: scale(0.98);
}

/* ---- Responsive: stack buttons vertically on narrow screens ---- */
@media (max-width: 480px) {
  .step-panel__actions {
    flex-direction: column;
  }

  .step-panel__btn {
    min-width: 0;
    width: 100%;
  }
}