/* ═══════════════════════════════════════════════════════════════
   BeyondSite — step-wizard.css
   Tab-style step navigation for the schema-driven form.
   Loaded separately so it doesn't pollute style.css.
   ═══════════════════════════════════════════════════════════════ */

/* ── Tab bar ─────────────────────────────────────────────────── */
.step-tab-bar {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  padding: 12px 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hi) transparent;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.step-tab-bar::-webkit-scrollbar {
  height: 4px;
}

.step-tab-bar::-webkit-scrollbar-track {
  background: transparent;
}

.step-tab-bar::-webkit-scrollbar-thumb {
  background: var(--border-hi);
  border-radius: 4px;
}

.step-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.85em;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.step-tab:hover {
  border-color: var(--border-hi);
  color: var(--text-soft);
}

.step-tab.active {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: var(--accent-glow);
  font-weight: 600;
}

.step-tab.completed {
  color: var(--success);
  background: var(--success-dim);
  border-color: rgba(52, 211, 153, 0.15);
}

.step-tab.completed .step-tab-num::after {
  content: '✓';
  margin-left: 2px;
}

.step-tab-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.8em;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.06);
}

.step-tab.active .step-tab-num {
  background: var(--accent);
  color: var(--bg);
}

.step-tab.completed .step-tab-num {
  background: var(--success);
  color: #fff;
}

.step-tab-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

/* ── Step navigation buttons ─────────────────────────────────── */
.step-nav-buttons {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0 8px;
  margin-top: 16px;
  border-top: 1px solid var(--border);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.btn-step {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.9em;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font);
}

.btn-prev {
  color: var(--text-soft);
  background: var(--bg-card-2);
  border: 1px solid var(--border);
}

.btn-prev:hover {
  border-color: var(--border-hi);
  color: var(--text);
}

.btn-next {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-lt));
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-next:hover {
  box-shadow: 0 6px 16px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-preview-trigger {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  font-size: 0.95em;
  padding: 12px 24px;
}

.btn-step-spacer {
  width: 120px;
}

.step-counter {
  font-size: 0.85em;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Step mode: single section layout ────────────────────────── */
.schema-form-step-mode .schema-section-row {
  display: block;
}

.schema-form-step-mode .hint-gutter {
  display: none;
}

.schema-form-step-mode .schema-section {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.schema-form-step-mode .compliance-banner {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .step-tab {
    padding: 6px 10px;
    font-size: 0.8em;
  }

  .step-tab-label {
    max-width: 80px;
  }

  .step-nav-buttons {
    flex-wrap: wrap;
    gap: 8px;
  }

  .btn-step {
    padding: 8px 16px;
    font-size: 0.85em;
  }

  .btn-step-spacer {
    width: auto;
    order: 3;
    flex-basis: 100%;
  }

  .step-counter {
    order: 1;
    flex-basis: 100%;
    text-align: center;
  }

  .btn-prev {
    order: 2;
    flex: 1;
  }

  .btn-next {
    order: 2;
    flex: 1;
  }
}

@media (max-width: 480px) {
  .step-tab {
    padding: 5px 8px;
    font-size: 0.75em;
  }

  .step-tab-label {
    display: none;
  }

  .step-tab-num {
    width: 18px;
    height: 18px;
    font-size: 0.75em;
  }
}

/* ── Light mode adjustments ──────────────────────────────────── */
[data-theme="light"] .step-tab {
  background: #f5f9f7;
  border-color: rgba(30, 100, 60, 0.1);
}

[data-theme="light"] .step-tab.active {
  background: rgba(26, 153, 85, 0.08);
  border-color: rgba(26, 153, 85, 0.2);
}

[data-theme="light"] .step-tab.completed {
  background: rgba(5, 150, 105, 0.06);
  border-color: rgba(5, 150, 105, 0.15);
}

[data-theme="light"] .step-tab-num {
  background: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .step-tab.active .step-tab-num {
  background: var(--accent);
  color: #fff;
}

[data-theme="light"] .btn-prev {
  background: #f5f9f7;
  border-color: rgba(30, 100, 60, 0.15);
}