/* ===== Base & Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --red-50: #fef2f2;
  --red-100: #fee2e2;
  --red-500: #ef4444;
  --red-600: #dc2626;
  --red-700: #b91c1c;
  --orange-50: #fff7ed;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --yellow-50: #fffbeb;
  --yellow-500: #eab308;
  --yellow-600: #d97706;
  --green-50: #f0fdf4;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --purple-100: #ede9fe;
  --purple-600: #7c3aed;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  min-height: 100vh;
  line-height: 1.6;
}

/* ===== Header ===== */
.site-header {
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-900) 100%);
  color: white;
  padding: 20px 0;
  box-shadow: var(--shadow-lg);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-logo {
  font-size: 36px;
  line-height: 1;
}
.header-title h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.header-title p {
  font-size: 0.8rem;
  opacity: 0.75;
  margin-top: 2px;
}
.header-badge {
  margin-left: auto;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.72rem;
  white-space: nowrap;
}

/* ===== Progress Steps ===== */
.progress-bar {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 0;
  overflow-x: auto;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.steps-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: stretch;
}
.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  opacity: 0.5;
  font-size: 0.82rem;
  position: relative;
}
.step-item:hover { opacity: 0.8; background: var(--gray-50); }
.step-item.active { opacity: 1; border-bottom-color: var(--blue-600); color: var(--blue-700); }
.step-item.completed { opacity: 0.8; color: var(--green-600); }
.step-item.completed .step-num { background: var(--green-600); }
.step-num {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--gray-300);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.step-item.active .step-num { background: var(--blue-600); }
.step-label { font-weight: 500; }

/* ===== Main Content ===== */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}
.step-panel { display: none; }
.step-panel.active { display: block; }

/* ===== Section Headers ===== */
.section-header {
  margin-bottom: 28px;
}
.section-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.section-header p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* ===== Cards ===== */
.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-body { padding: 20px; }

/* ===== Grid Layouts ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}

/* ===== Product Selector (Step 1) ===== */
.category-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.cat-tab {
  padding: 8px 20px;
  border-radius: 20px;
  border: 2px solid var(--gray-200);
  background: white;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.15s;
  color: var(--gray-600);
}
.cat-tab:hover { border-color: var(--blue-300); color: var(--blue-600); }
.cat-tab.active { border-color: var(--blue-600); background: var(--blue-600); color: white; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.product-card {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.15s;
  background: white;
  position: relative;
}
.product-card:hover { border-color: var(--blue-300); box-shadow: var(--shadow-md); }
.product-card.selected { border-color: var(--blue-600); background: var(--blue-50); }
.product-card.selected::after {
  content: '✓';
  position: absolute;
  top: 10px; right: 12px;
  width: 22px; height: 22px;
  background: var(--blue-600);
  color: white;
  border-radius: 50%;
  font-size: 0.7rem;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.product-name { font-weight: 600; font-size: 0.9rem; color: var(--gray-800); margin-bottom: 4px; }
.product-eos { font-size: 0.78rem; }
.product-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-top: 6px;
}

.device-count-section {
  margin-top: 24px;
  padding: 20px;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
}
.device-count-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-700);
}
.device-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}
.device-row:last-of-type { border-bottom: none; }
.device-row-name { flex: 1; font-size: 0.87rem; color: var(--gray-700); font-weight: 500; }
.device-count-input {
  width: 80px;
  padding: 6px 10px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.9rem;
  text-align: center;
  transition: border-color 0.15s;
}
.device-count-input:focus { outline: none; border-color: var(--blue-500); }
.device-row-unit { font-size: 0.78rem; color: var(--gray-400); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.15s;
  text-decoration: none;
}
.btn-primary { background: var(--blue-600); color: white; }
.btn-primary:hover { background: var(--blue-700); }
.btn-secondary { background: white; color: var(--gray-700); border: 1.5px solid var(--gray-300); }
.btn-secondary:hover { background: var(--gray-50); border-color: var(--gray-400); }
.btn-success { background: var(--green-600); color: white; }
.btn-success:hover { background: var(--green-700); }
.btn-danger { background: var(--red-600); color: white; }
.btn-lg { padding: 13px 32px; font-size: 1rem; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

.nav-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

/* ===== EOS Results (Step 2) ===== */
.eos-table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
th {
  background: var(--gray-50);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-600);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--gray-200);
}
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--gray-50); }

.risk-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.risk-critical { background: #fef2f2; color: #b91c1c; border: 1px solid #fca5a5; }
.risk-high { background: #fff7ed; color: #c2410c; border: 1px solid #fed7aa; }
.risk-medium { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.risk-low { background: #f0fdf4; color: #15803d; border: 1px solid #86efac; }

.summary-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
@media (max-width: 700px) { .summary-stats { grid-template-columns: repeat(2, 1fr); } }
.stat-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.stat-number { font-size: 2rem; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 0.75rem; color: var(--gray-500); font-weight: 500; }

/* ===== Solution Cards (Step 3) ===== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.solution-card {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all 0.15s;
  background: white;
  position: relative;
}
.solution-card:hover { border-color: var(--blue-300); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.solution-card.selected { border-color: var(--blue-600); background: var(--blue-50); }
.solution-card.risk-critical-card { border-color: #fca5a5; background: #fef2f2; }
.solution-icon { font-size: 2rem; margin-bottom: 10px; }
.solution-name { font-weight: 700; font-size: 1rem; color: var(--gray-900); margin-bottom: 6px; }
.solution-desc { font-size: 0.82rem; color: var(--gray-500); margin-bottom: 12px; line-height: 1.5; }
.solution-pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: 0.77rem; }
.pros-list, .cons-list { padding: 8px; border-radius: 6px; }
.pros-list { background: var(--green-50); }
.cons-list { background: var(--red-50); }
.pros-list li, .cons-list li { padding: 2px 0 2px 14px; position: relative; list-style: none; color: var(--gray-600); }
.pros-list li::before { content: '+'; position: absolute; left: 0; color: var(--green-600); font-weight: 700; }
.cons-list li::before { content: '−'; position: absolute; left: 0; color: var(--red-600); font-weight: 700; }

/* ===== Risk Analysis (Step 4) ===== */
.risk-gauge-container { text-align: center; }
.risk-gauge {
  width: 120px; height: 120px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 10px;
  font-size: 2rem;
  font-weight: 800;
  border: 6px solid;
  position: relative;
}
.risk-detail-card {
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid;
  margin-bottom: 16px;
}
.risk-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.compliance-frameworks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.framework-badge {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 12px;
  font-size: 0.8rem;
}
.framework-name { font-weight: 700; color: var(--gray-800); margin-bottom: 4px; }
.framework-req { color: var(--gray-500); margin-bottom: 4px; }
.framework-fine { color: var(--red-600); font-weight: 600; font-size: 0.75rem; }

/* ===== Pricing (Step 5) ===== */
.pricing-breakdown {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.pricing-row {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-100);
  gap: 12px;
  font-size: 0.87rem;
}
.pricing-row:last-child { border-bottom: none; }
.pricing-row.total {
  background: var(--gray-50);
  font-weight: 700;
  font-size: 1rem;
  border-top: 2px solid var(--gray-200);
}
.pricing-row.header {
  background: var(--gray-800);
  color: white;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.pricing-item { flex: 1; }
.pricing-qty { width: 60px; text-align: center; color: var(--gray-500); }
.pricing-unit { width: 120px; text-align: right; color: var(--gray-500); }
.pricing-amount { width: 120px; text-align: right; font-weight: 600; color: var(--gray-800); }
.pricing-scenario-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.scenario-tab {
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1.5px solid var(--gray-200);
  background: white;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.15s;
}
.scenario-tab:hover { border-color: var(--blue-400); }
.scenario-tab.active { border-color: var(--blue-600); background: var(--blue-600); color: white; }

.cost-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}
.timeline-col {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.timeline-year { font-size: 0.78rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.timeline-cost { font-size: 1.4rem; font-weight: 800; color: var(--gray-900); margin-bottom: 4px; }
.timeline-note { font-size: 0.72rem; color: var(--gray-400); }

/* ===== Plan (Step 6) ===== */
.timeline-list { position: relative; padding-left: 32px; }
.timeline-list::before {
  content: '';
  position: absolute;
  left: 10px; top: 0; bottom: 0;
  width: 2px;
  background: var(--gray-200);
}
.timeline-item {
  position: relative;
  margin-bottom: 24px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px; top: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--blue-600);
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--blue-200);
}
.timeline-item.urgent::before { background: var(--red-600); box-shadow: 0 0 0 2px #fca5a5; }
.timeline-item.done::before { background: var(--green-600); box-shadow: 0 0 0 2px #86efac; }
.timeline-phase {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--blue-600);
  margin-bottom: 4px;
}
.timeline-title { font-weight: 600; font-size: 0.95rem; color: var(--gray-800); margin-bottom: 4px; }
.timeline-desc { font-size: 0.82rem; color: var(--gray-500); }

.plan-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 700px) { .plan-summary-grid { grid-template-columns: 1fr; } }
.plan-metric {
  background: white;
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.plan-metric-label { font-size: 0.75rem; color: var(--gray-500); font-weight: 500; margin-bottom: 4px; }
.plan-metric-value { font-size: 1.3rem; font-weight: 800; color: var(--gray-900); }

/* ===== Report (Step 7) ===== */
.report-wrapper {
  background: white;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.report-header {
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-900) 100%);
  color: white;
  padding: 40px;
}
.report-header h1 { font-size: 1.8rem; font-weight: 800; margin-bottom: 4px; }
.report-header .subtitle { opacity: 0.75; font-size: 0.9rem; }
.report-meta {
  display: flex;
  gap: 24px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.2);
  font-size: 0.82rem;
  opacity: 0.85;
  flex-wrap: wrap;
  gap: 16px;
}
.report-body { padding: 40px; }
.report-section { margin-bottom: 36px; }
.report-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--blue-100);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== CEO Highlight Terms ===== */
.highlight-bc {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  color: #1e40af;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
}
.highlight-cr {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #991b1b;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.exec-summary {
  background: linear-gradient(135deg, #eff6ff, #f0fdf4);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 28px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--gray-700);
}

.alert-box {
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 16px;
  border-left: 4px solid;
  font-size: 0.87rem;
  line-height: 1.7;
}
.alert-critical { background: #fef2f2; border-color: #dc2626; color: #7f1d1d; }
.alert-warning { background: #fffbeb; border-color: #d97706; color: #78350f; }
.alert-info { background: #eff6ff; border-color: #2563eb; color: #1e3a8a; }
.alert-success { background: #f0fdf4; border-color: #16a34a; color: #14532d; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
@media (max-width: 700px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
.kpi-card {
  border-radius: var(--radius-lg);
  padding: 16px;
  text-align: center;
  border: 1px solid;
}
.kpi-value { font-size: 1.6rem; font-weight: 800; line-height: 1.1; margin-bottom: 4px; }
.kpi-label { font-size: 0.72rem; font-weight: 500; opacity: 0.8; }

.recommendation-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  font-size: 0.85rem;
}
.rec-priority {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
  color: white;
}
.rec-content { flex: 1; }
.rec-title { font-weight: 700; color: var(--gray-800); margin-bottom: 4px; }
.rec-detail { color: var(--gray-500); line-height: 1.5; }

.print-btn-bar {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-bottom: 20px;
}

/* ===== Utility ===== */
.text-critical { color: var(--red-600); }
.text-high { color: var(--orange-600); }
.text-medium { color: var(--yellow-600); }
.text-low { color: var(--green-600); }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: 0.82rem; }
.text-xs { font-size: 0.75rem; }
.font-bold { font-weight: 700; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
}
.empty-state svg { margin: 0 auto 12px; display: block; opacity: 0.4; }
.empty-state h3 { font-size: 1rem; font-weight: 600; color: var(--gray-500); margin-bottom: 6px; }
.empty-state p { font-size: 0.85rem; }

/* ===== Print ===== */
@media print {
  .progress-bar, .nav-buttons, .print-btn-bar, .site-header { display: none; }
  body { background: white; }
  .report-wrapper { box-shadow: none; border: none; }
  .report-header { background: var(--blue-900) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .highlight-bc, .highlight-cr { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ===== Animations ===== */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.step-panel.active { animation: fadeIn 0.25s ease; }

/* ===== Number Input Spinner ===== */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] { -moz-appearance: textfield; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }