/* ==========================================================================
   AutoBI - Modern Vanilla CSS Design System & Theme
   Palette: Midnight Slate, Electric Indigo, Neon Emerald, Cyan
   Typography: Outfit (Headings), Inter (Body & Data)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.4);
  --border-glow: rgba(99, 102, 241, 0.2);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-indigo: #6366f1;
  --accent-indigo-glow: rgba(99, 102, 241, 0.35);
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.3);
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 25px var(--accent-indigo-glow);

  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 25%, rgba(6, 182, 212, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Layout Container */
.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* Header & Brand */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
  font-weight: 800;
  font-size: 20px;
  color: #ffffff;
  font-family: var(--font-heading);
}

.brand-meta h1 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-meta p {
  font-size: 13px;
  color: var(--text-muted);
}

.header-badges {
  display: flex;
  align-items: center;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Hero & Upload Zone */
.hero-section {
  text-align: center;
  margin-bottom: 36px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

/* Upload Card & Dropzone */
.upload-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.dropzone {
  border: 2px dashed rgba(99, 102, 241, 0.35);
  background: rgba(99, 102, 241, 0.03);
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.dropzone.drag-over {
  border-color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.1);
  transform: scale(1.01);
  box-shadow: 0 0 30px var(--accent-indigo-glow);
}

.dropzone-icon {
  width: 64px;
  height: 64px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a5b4fc;
  font-size: 28px;
  transition: transform var(--transition-fast);
}

.dropzone:hover .dropzone-icon {
  transform: translateY(-4px);
  background: rgba(99, 102, 241, 0.25);
}

.dropzone-prompt h3 {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.dropzone-prompt p {
  color: var(--text-muted);
  font-size: 13px;
}

.dropzone-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-indigo), #4f46e5);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-emerald {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-emerald:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-danger-outline {
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.btn-danger-outline:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.6);
  color: #ffffff;
  transform: translateY(-1px);
}

.trust-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Enterprise Zero-Persistence Trust Banner */
.enterprise-trust-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(6, 182, 212, 0.06));
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
}

.trust-badge-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.trust-shield {
  font-size: 16px;
}

.trust-badge-label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6ee7b7;
}

.trust-guarantee-text {
  font-size: 14px;
  color: #e2e8f0;
  margin-bottom: 12px;
  line-height: 1.5;
}

.trust-chips {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  padding: 4px 12px;
  font-size: 11.5px;
  color: #94a3b8;
}

/* Authentication Gate Modal Overlay */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
}

.auth-modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  animation: modalScale 0.3s ease-out;
}

@keyframes modalScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.auth-modal-header {
  text-align: center;
  margin-bottom: 24px;
}

.auth-modal-header h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.auth-modal-header p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-field label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.auth-field input {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #ffffff;
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.auth-field input:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 10px var(--accent-indigo-glow);
}

.auth-hint {
  font-size: 11.5px;
  color: var(--text-muted);
}

.auth-hint code {
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.15);
  padding: 1px 5px;
  border-radius: 4px;
}

.auth-error-msg {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  font-size: 12.5px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.auth-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Loading & Progress State */
.loading-card {
  display: none;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  margin-bottom: 40px;
  box-shadow: var(--shadow-glow);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(99, 102, 241, 0.2);
  border-top-color: var(--accent-indigo);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-steps {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.step-item.active {
  color: var(--accent-indigo);
  font-weight: 600;
}

/* Results Workspace */
.results-container {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Action Banner */
.action-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.12));
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  margin-bottom: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(12px);
}

.banner-left h2 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.banner-left p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Tab Navigation */
.tab-navigation {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 28px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: #ffffff;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
}

/* Tab Panels */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-indigo), transparent);
}

.kpi-card.emerald::before {
  background: linear-gradient(90deg, var(--accent-emerald), transparent);
}

.kpi-card.cyan::before {
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
}

.kpi-card.amber::before {
  background: linear-gradient(90deg, var(--accent-amber), transparent);
}

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.kpi-subtext {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(460px, 1fr));
  gap: 24px;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.chart-card h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

/* Audit Trail Tab */
.audit-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.audit-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
}

.audit-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.audit-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.audit-icon.rose {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.audit-icon.emerald {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.audit-icon.indigo {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.audit-card-header h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.audit-item {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.audit-item-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
}

/* DAX & Power Query Tab */
.code-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  overflow: hidden;
}

.code-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border-subtle);
}

.code-card-title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.code-block {
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: #a5b4fc;
  background: #060911;
  overflow-x: auto;
  white-space: pre-wrap;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.copy-btn.copied {
  background: rgba(16, 185, 129, 0.2);
  border-color: #10b981;
  color: #34d399;
}

/* Data Explorer Table */
.table-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.table-wrapper {
  overflow-x: auto;
  max-height: 520px;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

th {
  background: rgba(0, 0, 0, 0.4);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.05em;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 10;
}

td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.status-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}

.status-completed {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.status-cancelled {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
}

.status-pending {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

/* Multi-Domain Styling */
.domain-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: #c7d2fe;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.domain-switcher-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.domain-select {
  background: #0b0f19;
  border: 1px solid var(--border-active);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.domain-select:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 10px var(--accent-indigo-glow);
}

.demo-presets-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.demo-presets-title {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.demo-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.demo-pill-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.demo-pill-btn:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.4);
  color: #ffffff;
  transform: translateY(-1px);
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .action-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .hero-title {
    font-size: 28px;
  }
}