/* ═══════════════════════════════════════════════════════════════
   Tutorial Page — Liquid Glass (macOS 26) Design
   Reuses design language from exam-result-v3 & exam-select
   ═══════════════════════════════════════════════════════════════ */

/* ─── Variables ───────────────────────────────────────────────── */
:root {
  --glass-bg: rgba(255, 255, 255, 0.45);
  --glass-bg-strong: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --glass-blur: 20px;

  --accent-1: #6366f1;
  --accent-2: #8b5cf6;
  --accent-3: #a78bfa;
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));

  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.12);

  --text-primary: #1e1b4b;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;

  --bg-gradient: linear-gradient(135deg, #e0e7ff 0%, #f0e6ff 25%, #fce7f3 50%, #e0f2fe 75%, #e0e7ff 100%);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Dark Theme ──────────────────────────────────────────────── */
[data-theme="dark"] {
  --glass-bg: rgba(30, 30, 50, 0.6);
  --glass-bg-strong: rgba(30, 30, 50, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 25%, #1a1a2e 50%, #0f172a 75%, #1e1b4b 100%);
}

/* ─── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  background: var(--bg-gradient);
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.hidden { display: none !important; }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── Glass Card ──────────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
}

/* ─── Header ──────────────────────────────────────────────────── */
.page-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(99, 102, 241, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.75rem 0;
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}

.logo-link {
  display: flex; align-items: center; gap: 0.75rem;
  text-decoration: none; color: white;
}

.logo-img { height: 36px; }

.logo-text {
  font-size: 1.15rem; font-weight: 700;
  color: white;
  letter-spacing: -0.02em;
}

.header-actions { display: flex; gap: 0.5rem; }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border: none; border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.875rem; font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-glass {
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: white;
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ─── Hero Section ────────────────────────────────────────────── */
.hero-section {
  position: relative;
  padding: 3rem 0 2rem;
  overflow: hidden;
  text-align: center;
}

.hero-bg-orbs {
  position: absolute; inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 12s ease-in-out infinite;
}
.orb-1 { width: 300px; height: 300px; background: #818cf8; top: -50px; left: 10%; animation-delay: 0s; }
.orb-2 { width: 250px; height: 250px; background: #c084fc; bottom: -40px; right: 15%; animation-delay: -4s; }
.orb-3 { width: 200px; height: 200px; background: #fb7185; top: 30%; left: 50%; animation-delay: -8s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-icon {
  width: 80px; height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.35);
}

.hero-icon svg {
  width: 40px; height: 40px;
  stroke: white;
  fill: none;
  stroke-width: 2;
}

.hero-title {
  font-size: 2rem; font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  font-weight: 500;
  max-width: 500px;
  margin: 0 auto;
}

/* ─── Table of Contents ───────────────────────────────────────── */
.toc-section {
  padding: 0 0 2rem;
}

.toc-card {
  padding: 1.5rem 2rem;
}

.toc-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.toc-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.toc-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.toc-list a:hover {
  background: rgba(99, 102, 241, 0.08);
  color: var(--accent-1);
}

.toc-step-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ─── Steps Section ───────────────────────────────────────────── */
.steps-section {
  padding: 1rem 0 3rem;
}

.step-block {
  margin-bottom: 2.5rem;
  scroll-margin-top: 80px;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.step-number {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  font-size: 1.25rem;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.step-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.step-card {
  padding: 2rem;
}

.step-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.step-description strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ─── Mock UI (Simulated interface screenshots) ───────────────── */
.mock-ui {
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.04);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .mock-titlebar {
  background: rgba(255, 255, 255, 0.05);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.mock-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.mock-dot.red { background: #ff5f57; }
.mock-dot.yellow { background: #febc2e; }
.mock-dot.green { background: #28c840; }

.mock-titlebar-text {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.mock-body {
  padding: 1.25rem;
}

/* Simulated exam-select level cards */
.mock-levels {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.mock-level-card {
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.mock-level-card.hsk1 { background: rgba(34, 197, 94, 0.15); color: #16a34a; border: 1px solid rgba(34, 197, 94, 0.3); }
.mock-level-card.hsk2 { background: rgba(59, 130, 246, 0.15); color: #2563eb; border: 1px solid rgba(59, 130, 246, 0.3); }
.mock-level-card.hsk3 { background: rgba(139, 92, 246, 0.15); color: #7c3aed; border: 1px solid rgba(139, 92, 246, 0.3); }
.mock-level-card.hsk4 { background: rgba(236, 72, 153, 0.15); color: #db2777; border: 1px solid rgba(236, 72, 153, 0.3); }
.mock-level-card.hsk5 { background: rgba(245, 158, 11, 0.15); color: #d97706; border: 1px solid rgba(245, 158, 11, 0.3); }
.mock-level-card.hsk6 { background: rgba(239, 68, 68, 0.15); color: #dc2626; border: 1px solid rgba(239, 68, 68, 0.3); }
.mock-level-card.active {
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

/* Simulated exam interface */
.mock-exam-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: rgba(99, 102, 241, 0.08);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
}

.mock-timer {
  display: flex; align-items: center; gap: 0.35rem;
  color: var(--accent-1); font-weight: 700;
}

.mock-progress-text { color: var(--text-muted); font-weight: 500; }

.mock-question-box {
  padding: 1rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}

[data-theme="dark"] .mock-question-box {
  border-color: rgba(255, 255, 255, 0.08);
}

.mock-question-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.mock-question-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.mock-options {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mock-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

[data-theme="dark"] .mock-option {
  border-color: rgba(255, 255, 255, 0.1);
}

.mock-option-letter {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.04);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

[data-theme="dark"] .mock-option-letter {
  background: rgba(255, 255, 255, 0.08);
}

.mock-option.selected {
  border-color: var(--accent-1);
  background: rgba(99, 102, 241, 0.06);
  color: var(--accent-1);
}

.mock-option.selected .mock-option-letter {
  background: var(--accent-gradient);
  color: white;
}

.mock-option.correct {
  border-color: var(--success);
  background: var(--success-bg);
  color: #166534;
}

.mock-option.correct .mock-option-letter {
  background: var(--success);
  color: white;
}

.mock-option.wrong {
  border-color: var(--danger);
  background: var(--danger-bg);
  color: #991b1b;
}

.mock-option.wrong .mock-option-letter {
  background: var(--danger);
  color: white;
}

/* Simulated sidebar question map */
.mock-sidebar {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-sm);
  margin-top: 0.75rem;
}

[data-theme="dark"] .mock-sidebar {
  background: rgba(255, 255, 255, 0.03);
}

.mock-q-dot {
  width: 28px; height: 28px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: white;
  color: var(--text-muted);
}

[data-theme="dark"] .mock-q-dot {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

.mock-q-dot.answered {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
}

.mock-q-dot.current {
  border-color: var(--accent-1);
  color: var(--accent-1);
  font-weight: 700;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.mock-q-dot.flagged {
  background: var(--warning-bg);
  border-color: var(--warning);
  color: var(--warning);
}

/* Simulated result score */
.mock-score-ring {
  width: 100px; height: 100px;
  border-radius: 50%;
  background: conic-gradient(var(--accent-1) 0deg, var(--accent-2) 250deg, rgba(0,0,0,0.06) 250deg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.75rem;
}

.mock-score-inner {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--glass-bg-strong);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}

.mock-score-value {
  font-size: 1.5rem; font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.mock-score-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Simulated submit button */
.mock-submit-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  padding-top: 0.75rem;
}

.mock-btn {
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  border: none;
  cursor: default;
}

.mock-btn-primary {
  background: var(--accent-gradient);
  color: white;
}

.mock-btn-outline {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: var(--text-secondary);
}

[data-theme="dark"] .mock-btn-outline {
  border-color: rgba(255, 255, 255, 0.15);
}

/* ─── Tip / Note Boxes ────────────────────────────────────────── */
.tip-box {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.tip-box i {
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.tip-box.tip-info {
  background: var(--info-bg);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #1d4ed8;
}

[data-theme="dark"] .tip-box.tip-info {
  color: #93c5fd;
}

.tip-box.tip-success {
  background: var(--success-bg);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: #166534;
}

[data-theme="dark"] .tip-box.tip-success {
  color: #86efac;
}

.tip-box.tip-warning {
  background: var(--warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #92400e;
}

[data-theme="dark"] .tip-box.tip-warning {
  color: #fcd34d;
}

/* ─── Feature Grid ────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .feature-item {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.06);
}

.feature-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--accent-gradient);
  color: white;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.feature-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.feature-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── CTA Section ─────────────────────────────────────────────── */
.cta-section {
  padding: 2rem 0 3rem;
  text-align: center;
}

.cta-card {
  padding: 2.5rem 2rem;
  text-align: center;
  background: var(--accent-gradient);
  color: white;
  border: none;
}

.cta-card h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.cta-card p {
  opacity: 0.85;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.cta-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem; font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.cta-btn-white {
  background: white;
  color: var(--accent-1);
}
.cta-btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.cta-btn-outline {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.4);
}
.cta-btn-outline:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ─── Footer ──────────────────────────────────────────────────── */
.page-footer {
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.page-footer a {
  color: var(--accent-1);
  text-decoration: none;
}

.page-footer a:hover { text-decoration: underline; }

/* ─── Scroll Progress ─────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0;
  height: 3px;
  background: var(--accent-gradient);
  z-index: 200;
  transition: width 0.1s linear;
}

/* ─── Animations ──────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Key badges ──────────────────────────────────────────────── */
.key-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.5rem;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--text-secondary);
  vertical-align: middle;
}

[data-theme="dark"] .key-badge {
  background: rgba(255, 255, 255, 0.08);
}

/* ─── Audio Player Mock ───────────────────────────────────────── */
.mock-audio-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: rgba(99, 102, 241, 0.06);
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

.mock-play-btn {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.mock-waveform {
  flex: 1;
  height: 20px;
  display: flex;
  align-items: center;
  gap: 2px;
}

.mock-wave-bar {
  width: 3px;
  border-radius: 2px;
  background: var(--accent-1);
  opacity: 0.4;
}

.mock-audio-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero-title { font-size: 1.5rem; }
  .hero-subtitle { font-size: 0.9rem; }
  .hero-section { padding: 2rem 0 1.5rem; }

  .toc-list { grid-template-columns: 1fr; }

  .step-header { gap: 0.75rem; }
  .step-number { width: 40px; height: 40px; font-size: 1.05rem; }
  .step-title { font-size: 1.15rem; }
  .step-card { padding: 1.25rem; }

  .feature-grid { grid-template-columns: 1fr; }

  .mock-levels { gap: 0.35rem; }
  .mock-level-card { padding: 0.45rem 0.8rem; font-size: 0.75rem; }

  .cta-card { padding: 2rem 1.25rem; }
  .cta-card h2 { font-size: 1.25rem; }
  .cta-buttons { flex-direction: column; }
  .cta-btn { justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .header-inner { padding: 0 1rem; }
  .hero-icon { width: 64px; height: 64px; }
  .hero-icon svg { width: 32px; height: 32px; }
  .step-card { padding: 1rem; }
}