/* =========================
   MODERN PROFESSIONAL LAYOUT
   ========================= */

/* CSS Reset and Base Styles */
:root {
  /* Color Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  
  --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;
  
  --green-50: #ecfdf5;
  --green-500: #10b981;
  --green-600: #059669;
  
  --amber-50: #fffbeb;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  
  /* Semantic Colors */
  --bg: #ffffff;
  --bg-secondary: var(--gray-50);
  --text: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);
  --border: var(--gray-200);
  --border-light: var(--gray-100);
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  /* Transitions */
  --transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  height: 100%;
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
}

/* =========================
   NAVIGATION
   ========================= */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary-600);
}

.brand-logo svg {
  color: var(--primary-500);
}

/* =========================
   HERO SECTION
   ========================= */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6);
  width: 100%;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary-700);
  margin-bottom: var(--space-6);
}

.badge-icon {
  font-size: 1rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 var(--space-6);
  color: var(--text);
  letter-spacing: -0.025em;
}

.title-highlight {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin: 0 0 var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* =========================
   BUTTONS
   ========================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  line-height: 1;
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-primary {
  --btn-bg: linear-gradient(135deg, var(--grad1), var(--grad2));
  --btn-color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--bg-secondary);
  border-color: var(--gray-300);
}

.btn-icon {
  font-size: 1.125em;
}

/* =========================
   SECTIONS
   ========================= */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin: 0 0 var(--space-4);
  color: var(--text);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* =========================
   DEMO SECTION
   ========================= */
.demo-section {
  background: var(--bg-secondary);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.demo-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.demo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.demo-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.demo-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.arrival-icon {
  background: var(--green-50);
  color: var(--green-600);
}

.departure-icon {
  background: var(--amber-50);
  color: var(--amber-600);
}

.demo-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}

.demo-description {
  color: var(--text-secondary);
  margin: var(--space-1) 0 0;
  font-size: 0.875rem;
}

.demo-qr {
  text-align: center;
}

.qr-image {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}

.demo-url {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--gray-50);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.demo-url code {
  color: var(--text-secondary);
}

.demo-link {
  color: var(--primary-600);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.demo-link:hover {
  background: var(--primary-50);
  color: var(--primary-700);
}

/* Process Steps */
.demo-process {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.process-step {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  text-align: left;
  max-width: 200px;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-600);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--space-1);
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: 0;
}

.process-arrow {
  font-size: 1.5rem;
  color: var(--gray-400);
  font-weight: 300;
}

/* =========================
   FEATURES SECTION
   ========================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
}

.feature-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon.performance {
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  color: var(--primary-600);
}

.feature-icon.analytics {
  background: linear-gradient(135deg, var(--green-50), var(--green-100));
  color: var(--green-600);
}

.feature-icon.qr {
  background: linear-gradient(135deg, var(--amber-50), var(--amber-100));
  color: var(--amber-600);
}

.feature-icon.security {
  background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
  color: var(--gray-600);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-4);
  color: var(--text);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* =========================
   STATS SECTION
   ========================= */
.stats-section {
  background: var(--gray-50);
  padding: var(--space-16) 0;
}

.stats-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  max-width: 600px;
  margin: 0 auto;
}

.stats-icon {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stats-icon svg {
  width: 32px;
  height: 32px;
}

.stats-content {
  flex: 1;
}

.stats-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--primary-600);
  line-height: 1;
  margin: 0 0 var(--space-2);
}

.stats-label {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 640px) {
  .stats-card {
    flex-direction: column;
    text-align: center;
  }
}

/* =========================
   CTA SECTION
   ========================= */
.cta-section {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
}

.cta-content {
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 var(--space-4);
}

.cta-section p {
  font-size: 1.125rem;
  margin: 0 0 var(--space-8);
  opacity: 0.9;
}

.cta-section .btn-primary {
  --btn-bg: white;
  --btn-color: var(--primary-600);
}

.cta-section .btn-primary:hover {
  --btn-bg: var(--gray-50);
  transform: translateY(-2px);
}

/* =========================
   FOOTER
   ========================= */
.main-footer {
  background: var(--gray-900);
  color: var(--gray-300);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6) var(--space-8);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-8);
}

.footer-brand strong {
  color: white;
  font-size: 1.125rem;
}

.footer-brand p {
  margin: var(--space-2) 0 0;
  color: var(--gray-400);
}

.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
  background: var(--gray-800);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-800);
  text-align: center;
  color: var(--gray-400);
  font-size: 0.875rem;
}

/* =========================
   RESPONSIVE DESIGN
   ========================= */
@media (max-width: 1024px) {
  .section-container {
    padding: var(--space-16) var(--space-4);
  }
  
  .nav-container {
    padding: var(--space-4);
  }
  
  .hero-container {
    padding: var(--space-4);
  }
}

@media (max-width: 768px) {
  .demo-grid {
    grid-template-columns: 1fr;
  }
  
  .demo-process {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .process-arrow {
    transform: rotate(90deg);
  }
  
  .process-step {
    flex-direction: column;
    text-align: center;
    max-width: none;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-6);
  }
}

@media (max-width: 640px) {
  .nav-container {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .nav-actions {
    width: 100%;
  }
  
  .nav-actions .btn {
    width: 100%;
  }
  
  .demo-card {
    padding: var(--space-6);
  }
  
  .feature-card {
    padding: var(--space-6);
  }
  
  .section-container {
    padding: var(--space-12) var(--space-4);
  }
}

/* =========================
   LEGACY STYLES INTEGRATION
   ========================= */

/* Legacy color variables for admin/login compatibility */
:root {
  --bg-legacy: #f6f8fb;
  --grad1: #0ea5e9;
  --grad2: #6366f1;
  --panel: #ffffff;
  --card: #ffffff;
  --text-legacy: #0f172a;
  --muted: #475569;
  --accent: #0ea5e9;
  --brand: #2563eb;
  --ok: #059669;
  --warn: #b45309;
  --err: #dc2626;
}

/* Admin + Login styles */
.header {
  background: linear-gradient(135deg, var(--grad1), var(--grad2)) !important;
  color: white;
  padding: 1rem;
  margin-bottom: 2rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.header h1 {
  margin: 0 0 0.5rem;
}

.header p {
  opacity: 0.95;
  margin: 0;
}

.logout-btn {
  background: #ef4444 !important;
  color: white !important;
  align-self: flex-end;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-weight: 500;
}

.login-container {
  background: #fff !important;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.18);
  width: 100%;
  max-width: 420px;
}

.login-header h1 {
  color: var(--brand) !important;
}

.login-header p {
  color: var(--muted) !important;
}

.login-btn {
  background: linear-gradient(135deg, var(--grad1), var(--grad2)) !important;
  color: white;
  border: none;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
}

.center-page {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 16px;
  align-items: center;
  justify-items: center;
  padding: 24px;
  background: radial-gradient(1200px 600px at 10% 0%, rgba(14, 165, 233, 0.12), transparent 60%), 
              radial-gradient(1000px 500px at 90% 10%, rgba(99, 102, 241, 0.12), transparent 60%), 
              var(--bg-legacy);
}

.center-page .lp-footer {
  width: 100%;
}

/* Login form styles */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 10px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: var(--radius);
  background: #fff;
  color: #0f172a;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03) inset;
}

.form-row input:focus {
  outline: 2px solid var(--grad1);
  outline-offset: 2px;
}

.form-label {
  color: #334155;
  font-weight: 600;
}

.error-message {
  margin-top: 10px;
  color: #b91c1c;
  background: #fef2f2;
  border: 1px solid #fecaca;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
}

.success-message {
  margin-top: 10px;
  color: #065f46;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
}

.hidden {
  display: none;
}

/* Admin page styles */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--brand);
}

.stat-label {
  color: var(--muted);
  margin-top: 0.5rem;
}

.chart-container {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  margin-bottom: 2rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.qr-generation-section {
  margin-top: var(--space-10);
}

.table-container {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  margin-bottom: 2rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 1rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

th {
  background: #f1f5f9;
  font-weight: 600;
}

tbody tr:hover {
  background: rgba(148, 163, 184, 0.08);
}

.filters {
  background: #fff;
  padding: 1rem;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  margin-bottom: 2rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.filter-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.table-header {
  padding: 1rem;
  background: rgba(148, 163, 184, 0.08);
  margin: 0;
}

/* Admin QR panel spinner */
.spinner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.spinner .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0.3;
  animation: blink 1s infinite alternate;
}

.spinner .dot:nth-child(2) {
  animation-delay: 0.2s;
}

.spinner .dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {
  to {
    opacity: 1;
    transform: translateY(-2px);
  }
}

/* Admin QR tools */
.qr-tools-row {
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.input-mode-section {
  min-width: 180px;
}

.radio-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.radio-option input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary-600);
}

.radio-option label {
  cursor: pointer;
  font-weight: 500;
  color: var(--text);
  margin: 0;
}

.input-section {
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.input-section.disabled {
  opacity: 0.5;
  filter: grayscale(1);
}

.input-section.disabled input {
  background-color: var(--gray-100);
  cursor: not-allowed;
}

.input-section.disabled label {
  color: var(--gray-400);
}

.qr-url-input {
  width: 360px;
}

.qr-shortcode-input {
  width: 140px;
}

/* Station Search Styles */
.station-search-container {
  position: relative;
  width: 360px;
}

.station-search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.station-search-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.station-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  max-height: 200px;
  overflow-y: auto;
  z-index: 1000;
}

.station-suggestion {
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.15s ease;
  display: block;
  width: 100%;
  -webkit-user-select: none;
  user-select: none;
}

.station-suggestion:hover,
.station-suggestion.highlighted {
  background-color: var(--primary-50);
}

.station-suggestion:last-child {
  border-bottom: none;
}

.station-suggestion-name {
  font-weight: 500;
  color: var(--text);
}

.station-suggestion-id {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.selected-station-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-2);
}

.selected-station-display span {
  font-weight: 500;
  color: var(--primary-700);
}

.clear-station-btn {
  background: none;
  border: none;
  color: var(--primary-600);
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  padding: 0;
  margin-left: var(--space-2);
  transition: color 0.2s ease;
}

.clear-station-btn:hover {
  color: var(--primary-800);
}

.qr-preview-img {
  max-width: 280px;
  border: 1px solid #e5e7eb;
  padding: 8px;
  background: white;
}

.qr-preview-meta {
  margin-top: 0.5rem;
  color: #6b7280;
}

/* Legacy footer styles */
.lp-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 20px 24px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  margin-top: auto;
  background: rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.lp-link {
  color: var(--text-legacy);
  opacity: 0.85;
  text-decoration: none;
  padding: 8px 10px;
  border-radius: var(--radius);
  font-weight: 500;
}

.lp-link:hover {
  background: rgba(15, 23, 42, 0.06);
  text-decoration: underline;
}

/* Mobile responsive for legacy styles */
@media (max-width: 768px) {
  .chart-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 12px;
  }

  .header {
    padding: 0.75rem 1rem;
  }

  .logout-btn {
    float: none;
    width: 100%;
    margin-top: 0.75rem;
  }

  .filter-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.6rem;
  }

  .filters input, 
  .filters select, 
  .filters button {
    width: 100%;
  }

  .qr-url-input, 
  .qr-shortcode-input {
    width: 100%;
  }

  .chart-container {
    padding: 1rem;
  }

  .table-container {
    overflow-x: auto;
  }

  table {
    min-width: 560px;
  }

  .qr-preview-img {
    max-width: 100%;
    height: auto;
  }

  .center-page {
    padding: 16px;
  }

  .login-container {
    padding: 1.25rem;
  }

  .login-header h1 {
    font-size: 1.25rem;
  }

  .login-form {
    gap: 12px;
  }

  .form-row input {
    font-size: 16px;
  }

  .login-btn {
    min-height: 44px;
    font-size: 16px;
    padding: 0.9rem 1rem;
  }

  .lp-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* Fix backdrop-filter for Safari */
@supports (backdrop-filter: blur(12px)) {
  .main-nav {
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus states for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Admin + Login unify */
.header{background:linear-gradient(135deg,var(--grad1),var(--grad2)) !important}
.logout-btn{background:#ef4444 !important}
.login-container{background:#fff !important;border:1px solid rgba(15,23,42,.08);padding:2rem;border-radius:var(--radius);box-shadow:0 10px 25px rgba(99,102,241,.18);width:100%;max-width:420px}
.login-header h1{color:var(--brand) !important}
.login-header p{color:var(--muted) !important}
.login-btn{background:linear-gradient(135deg,var(--grad1),var(--grad2)) !important}
.center-page{min-height:100vh;display:grid;grid-template-rows:1fr auto;gap:16px;align-items:center;justify-items:center;padding:24px}
.center-page .lp-footer{width:100%;}
/* Login form vertical layout */
.login-form{display:flex;flex-direction:column;gap:14px;margin-top:10px}
.form-row{display:flex;flex-direction:column;gap:6px}
.form-row input{width:100%;padding:.7rem .8rem;border:1px solid rgba(15,23,42,.15);border-radius:var(--radius-sm);background:#fff;color:#0f172a}
.login-btn{margin-top:6px;padding:.75rem 1rem;border-radius:var(--radius)}
.error-message{margin-top:10px;color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;padding:.6rem .8rem;border-radius:var(--radius-sm)}
.success-message{margin-top:10px;color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0;padding:.6rem .8rem;border-radius:var(--radius-sm)}

/* Admin layout */
body{color:var(--text)}
.container{max-width:1200px;margin:0 auto;padding:20px}
.header{color:white;padding:1rem;margin-bottom:2rem;border-radius:var(--radius)}
.header h1{margin:0 0 .5rem}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin-bottom:2rem}
.stat-card{background:#fff;border:1px solid rgba(15,23,42,.08);padding:1.5rem;border-radius:var(--radius);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.stat-value{font-size:2rem;font-weight:700;color:var(--brand)}
.stat-label{color:var(--muted);margin-top:.5rem}
.chart-container{background:#fff;padding:1.5rem;border-radius:var(--radius);box-shadow:0 2px 8px rgba(0,0,0,.06);margin-bottom:2rem;border:1px solid rgba(15,23,42,.08)}
.table-container{background:#fff;border-radius:var(--radius);box-shadow:0 2px 8px rgba(0,0,0,.06);overflow:hidden;border:1px solid rgba(15,23,42,.08);margin-bottom:2rem}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:1rem;border-bottom:1px solid rgba(15,23,42,.08)}
th{background:#f1f5f9;font-weight:600}
.filters{background:#fff;padding:1rem;border-radius:var(--radius);box-shadow:0 2px 8px rgba(0,0,0,.06);margin-bottom:2rem;border:1px solid rgba(15,23,42,.08)}
.filter-row{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
/* Inputs and buttons are defined in Theme v2; removing duplicates */
/* .logout-btn float removed; layout handled by flex in Theme v2 */
.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:1.5rem}
@media (max-width:768px){.chart-grid{grid-template-columns:1fr}}
.table-header{padding:1rem;background:rgba(148,163,184,.08);margin:0}
/* Form label style unified in Theme v2 */

/* Admin QR panel spinner */
.spinner{display:inline-flex;align-items:center;gap:8px}
.spinner .dot{width:10px;height:10px;border-radius:50%;background:var(--brand);opacity:.3;animation:blink 1s infinite alternate}
.spinner .dot:nth-child(2){animation-delay:.2s}
.spinner .dot:nth-child(3){animation-delay:.4s}
@keyframes blink{to{opacity:1;transform:translateY(-2px)}}

/* Utility */
.hidden{display:none}
/* Admin QR tools */
.qr-tools-row{margin-bottom:1rem;display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-end}
.input-mode-section{min-width:180px}
.radio-group{display:flex;gap:1rem;margin-bottom:.5rem}
.radio-option{display:flex;align-items:center;gap:.5rem}
.radio-option input[type="radio"]{width:16px;height:16px;accent-color:var(--primary-600)}
.radio-option label{cursor:pointer;font-weight:500;color:var(--text);margin:0}
.input-section{transition:opacity .2s ease,filter .2s ease}
.input-section.disabled{opacity:.5;filter:grayscale(1)}
.input-section.disabled input{background-color:var(--gray-100);cursor:not-allowed}
.input-section.disabled label{color:var(--gray-400)}
.qr-url-input{width:360px}
.qr-shortcode-input{width:140px}
.qr-preview-img{max-width:280px;border:1px solid #e5e7eb;padding:8px;background:white}
.qr-preview-meta{margin-top:.5rem;color:#6b7280}

/* Mobile-first improvements */
@media (max-width:640px){
	/* Landing / hero */
	.lp-hero{padding:16px 16px 8px}
	.lp-gradient{inset:-120px;filter:blur(100px)}
	.lp-header{flex-wrap:wrap;gap:8px}
	.lp-nav{flex-wrap:wrap;gap:8px;width:100%;justify-content:flex-start}
	.lp-hero-content{margin:40px auto 24px;padding:0 8px}
	.lp-title{font-size:28px}
	.lp-subtitle{font-size:14px}
	.lp-cta{flex-direction:column;align-items:stretch}
	.lp-btn{width:100%;justify-content:center}
	.lp-hero-stats{grid-template-columns:1fr}
	.lp-footer{flex-direction:column;align-items:flex-start;gap:6px}

	/* Container / header spacing */
	.container{padding:12px}
	.header{padding:.75rem 1rem}
	.logout-btn{float:none;width:100%;margin-top:.75rem}

	/* Filters and QR tools */
	.filter-row{flex-direction:column;align-items:stretch;gap:.6rem}
	.filters input,.filters select,.filters button{width:100%}
	.qr-url-input,.qr-shortcode-input{width:100%}

	/* Charts */
	.chart-grid{grid-template-columns:1fr;gap:1rem}
	.chart-container{padding:1rem}
	canvas{max-width:100%}

	/* Tables */
	.table-container{overflow-x:auto}
	table{min-width:560px}

	/* QR preview image */
	.qr-preview-img{max-width:100%;height:auto}

	/* Login form ergonomics */
	.center-page{padding:16px}
	.login-container{padding:1.25rem}
	.login-header h1{font-size:1.25rem}
	.login-form{gap:12px}
	.form-row input{font-size:16px}
	.login-btn{min-height:44px;font-size:16px;padding:.9rem 1rem}
}

/* Safe-area support for devices with notches */
@supports (padding: max(0px)){
	.lp-footer{padding-bottom:max(20px,calc(16px + env(safe-area-inset-bottom)))}
}

/* =========================
	 Theme v2 – Unified styling
	 ========================= */
/* Design tokens */
:root{
	--radius:12px;
	--radius-sm:10px;
	--radius-lg:16px;
	--shadow-sm:0 1px 2px rgba(0,0,0,.06);
	--shadow:0 6px 18px rgba(15,23,42,.08);
	--shadow-lg:0 12px 30px rgba(15,23,42,.14);
	--border:rgba(15,23,42,.1);
	--muted-bg:#f8fafc;
}

/* Base improvements */
html{scroll-behavior:smooth; color-scheme: light; background: var(--bg)}
body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;line-height:1.55}
img{max-width:100%;height:auto}
a{color:inherit}
*:focus-visible{outline:3px solid var(--grad2);outline-offset:2px;border-radius:8px}

/* Containers */
.container,.lp-section,.lp-main{max-width:1100px;margin-left:auto;margin-right:auto}
.container{padding-left:20px;padding-right:20px}
.lp-main{padding-left:20px;padding-right:20px}

/* Typography scale */
h1,.lp-title{font-weight:800;letter-spacing:-.02em}
h2{font-size:1.5rem;margin:.5rem 0 1rem}
h3{font-size:1.125rem;margin:.25rem 0 .75rem}
p{margin:.5rem 0}

/* Cards */
.card,.lp-card,.stat-card,.chart-container,.table-container{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.lp-card{transition:transform .2s ease, box-shadow .2s ease}
.lp-card:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.chart-container,.table-container{box-shadow:var(--shadow)}

/* Buttons */
.btn,.lp-btn,button{--btn-bg:linear-gradient(135deg,var(--grad1),var(--grad2));--btn-color:#fff;--btn-border:transparent;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1rem;border-radius:var(--radius-sm);border:1px solid var(--btn-border);background:var(--btn-bg);color:var(--btn-color);cursor:pointer;text-decoration:none;transition:filter .15s ease, transform .05s ease}
.btn:hover,.lp-btn:hover,button:hover{filter:brightness(1.03)}
.btn:active,.lp-btn:active,button:active{transform:translateY(1px)}
.btn-primary,.lp-btn-primary{--btn-bg:linear-gradient(135deg,var(--grad1),var(--grad2));--btn-color:#fff}
.btn-ghost,.lp-btn-ghost{--btn-bg:transparent;--btn-color:var(--text);--btn-border:rgba(148,163,184,.28);background:transparent}
.btn-danger,.logout-btn{--btn-bg:linear-gradient(135deg,#ef4444,#dc2626);--btn-color:#fff}

/* Nav links */
.lp-link{font-weight:500}
.lp-link:hover{background:rgba(15,23,42,.06)}

/* Forms */
input[type="text"],input[type="password"],input[type="date"],select,textarea{
	width:100%;padding:.7rem .8rem;border:1px solid rgba(15,23,42,.15);border-radius:var(--radius-sm);background:#fff;box-shadow:0 1px 0 rgba(15,23,42,.03) inset
}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--grad1);outline-offset:2px}
.form-label{color:#334155;font-weight:600}

/* Tables */
table{width:100%;border-collapse:separate;border-spacing:0}
th{background:#f1f5f9;font-weight:700}
th,td{border-bottom:1px solid rgba(15,23,42,.08)}
tbody tr:hover{background:rgba(148,163,184,.08)}

/* Hero */
.lp-hero{padding-top:24px;padding-bottom:12px}
.lp-hero .lp-header{-webkit-backdrop-filter:saturate(1.2);backdrop-filter:saturate(1.2)}
.lp-hero-stats .lp-stat{box-shadow:var(--shadow-sm)}

/* Footer */
.lp-footer{background:rgba(255,255,255,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}

/* Admin header layout adjustments */
.header{display:flex;flex-direction:column;gap:.35rem}
.header p{opacity:.95;margin:0}
.logout-btn{align-self:flex-end}

/* QR tools */
.qr-tools-row > div{min-width:200px}
.qr-preview-img{border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}

/* Responsive refinements */
@media (max-width:1024px){
	.lp-hero-content{margin:60px auto 32px}
}
@media (max-width:768px){
	.lp-title{font-size:32px}
	.lp-hero-content{margin:44px auto 24px}
	.lp-nav{gap:8px}
}
@media (max-width:480px){
	.lp-title{font-size:26px}
	.lp-header{gap:6px}
	.lp-link{padding:6px 8px}
}

/* QR samples block */
.qr-samples{margin-top:12px}
.qr-samples figure{display:flex;flex-direction:column;align-items:center;text-align:center}
.qr-samples img{max-width:220px;width:100%;height:auto}
.qr-samples figcaption{margin-top:.5rem;color:#64748b}

/* Inline QR next to links */
.qr-inline{display:inline-flex;align-items:center;gap:10px}
.qr-inline .lp-link{padding:0;line-height:1.2}
.qr-inline .lp-link:hover{background:transparent;text-decoration:underline}
.qr-thumb{display:block;width:56px;height:auto;border:1px solid #e5e7eb;border-radius:8px;background:#fff;box-shadow:var(--shadow-sm)}
@media (max-width:480px){
	.qr-thumb{width:44px}
}

.qr-sep{margin:0 6px;opacity:.6}

/* Progress Bar Styles */
.batch-progress {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  width: 100%;
  max-width: 600px;
  min-width: 500px;
  box-sizing: border-box;
}

.progress-info {
  margin-bottom: var(--space-3);
  min-height: 60px;
}

.progress-info div {
  margin-bottom: var(--space-1);
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#progressMessage {
  font-weight: 500;
  color: var(--text);
}

#progressStats {
  color: var(--text-secondary);
}

#progressTime {
  color: var(--text-muted);
}

.progress-bar {
  width: 100%;
  height: 24px;
  background: var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
  border-radius: var(--radius-md);
  transition: width 0.3s ease;
  width: 0%;
}

.progress-actions {
  margin-top: var(--space-3);
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

/* Cancel button */
.logo-preview {
    max-width: 100px;
    max-height: 100px;
}

.button-cancel {
    background: #dc2626;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.2s ease;
    display: block;
    width: auto;
    min-width: 120px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(220, 38, 38, 0.2);
}

.button-cancel:hover {
    background: #b91c1c;
    box-shadow: 0 4px 8px rgba(220, 38, 38, 0.3);
    transform: translateY(-1px);
}

.button-cancel:active {
    background: #991b1b;
    transform: translateY(0);
}

.batch-results {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--green-500);
  border-radius: var(--radius-sm);
  background: var(--green-50);
}

.batch-results h4 {
  margin: 0 0 var(--space-3) 0;
  color: var(--green-600);
}

#resultsInfo {
  margin-bottom: var(--space-2);
  font-weight: 500;
}

#resultsStats {
  font-size: 0.875rem;
  color: var(--text-secondary);
  white-space: pre-line;
}

.results-actions {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-light);
  text-align: center;
}

.results-actions .btn {
  font-size: 0.9rem;
  padding: 0.6rem 1.5rem;
}

/* =========================
   STATION CATEGORIES SECTION
   ========================= */

.station-categories-section {
  margin: 0; /* Remove margin since it's in grid layout now */
  padding: var(--space-5);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
}

.station-categories-section h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 600;
}

.categories-actions {
  display: flex;
  gap: var(--space-3);
  margin: var(--space-4) 0;
  flex-wrap: wrap;
}

.btn-secondary {
  --btn-bg: var(--bg);
  --btn-color: var(--text);
  --btn-border: var(--border);
  padding: var(--space-2) var(--space-4);
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-sm);
  color: var(--btn-color);
  cursor: pointer;
  font-size: 0.875rem;
  transition: filter 0.15s ease, transform 0.05s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
}

.btn-secondary:hover {
  filter: brightness(0.97);
}

.btn-secondary:active {
  transform: translateY(1px);
}

.btn-primary {
  --btn-bg: linear-gradient(135deg, var(--grad1), var(--grad2));
  --btn-color: #fff;
  --btn-border: transparent;
  padding: var(--space-2) var(--space-4);
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-sm);
  color: var(--btn-color);
  cursor: pointer;
  font-size: 0.875rem;
  transition: filter 0.15s ease, transform 0.05s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
}

.btn-primary:hover {
  filter: brightness(1.03);
}

.btn-primary:active {
  transform: translateY(1px);
}

/* =========================
   QR SETTINGS RESPONSIVE LAYOUT
   ========================= */

/* Main container for two-column layout */
.qr-settings-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

/* Left column styles */
.qr-settings-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Right column styles */
.qr-settings-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Ensure sections in right column match left column styling */
.qr-settings-right .direction-selection-section,
.qr-settings-right .station-categories-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--space-5);
}

/* Make right column sections fill available space */
.qr-settings-right .station-categories-section {
  flex: 1;
}

/* Responsive breakpoint for mobile devices */
@media (max-width: 1024px) {
  .qr-settings-layout {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .qr-settings-left,
  .qr-settings-right {
    gap: var(--space-3);
  }
}

/* =========================
   SETTINGS GRID LAYOUT
   ========================= */

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

.settings-column {
  background: var(--bg-secondary);
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
}

.section-title {
  margin: 0 0 var(--space-4) 0;
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 600;
  border-bottom: 2px solid var(--primary-600);
  padding-bottom: var(--space-2);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-group:last-child {
  margin-bottom: 0;
}

/* =========================
   GENERATION ACTIONS
   ========================= */

.generation-actions {
  display: flex;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  justify-content: center;
  flex-wrap: wrap;
}

.generation-actions .btn-primary {
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  font-weight: 600;
  min-width: 180px;
}

.categories-container {
  margin-top: var(--space-4);
}

.categories-table {
  width: 100%;
  max-width: 600px;
  border-collapse: collapse;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  overflow: hidden;
  margin: 0 auto;
}

.categories-table th,
.categories-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.categories-table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--text);
  font-size: 0.875rem;
}

.categories-table th:first-child {
  width: 70%;
}

.categories-table th:last-child {
  width: 30%;
  text-align: center;
}

.categories-table td {
  color: var(--text-secondary);
}

.category-name {
  font-weight: 500;
  color: var(--text) !important;
}

.categories-table td:last-child {
  text-align: center;
}

.categories-table tr:last-child td {
  border-bottom: none;
}

.categories-table tr:hover {
  background: var(--gray-50);
}

.multiplier-input {
  width: 80px;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--border);
  border-radius: calc(var(--border-radius) * 0.5);
  font-size: 0.875rem;
  text-align: center;
}

.multiplier-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.loading-message {
  text-align: center;
  padding: var(--space-8);
  color: var(--text-muted);
  font-style: italic;
}

.error-message {
  color: #dc2626;
  padding: var(--space-4);
  text-align: center;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--border-radius);
}

/* =========================
   RESPONSIVE DESIGN
   ========================= */

@media (max-width: 768px) {
  .settings-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .categories-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .generation-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .generation-actions .btn-primary {
    min-width: auto;
    width: 100%;
  }
  
  .categories-table {
    font-size: 0.875rem;
  }
  
  .categories-table th,
  .categories-table td {
    padding: var(--space-2) var(--space-3);
  }
}

.success-message {
  color: #059669;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--border-radius);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-3) 0;
  font-size: 0.875rem;
}

/* Dark mode intentionally disabled for consistent branding across devices */

/* Direction Selection Styles */
.direction-selection-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: var(--space-5);
    margin-bottom: 0; /* Remove margin since it's in grid layout now */
}

.direction-checkboxes {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.checkbox-group label {
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin: 0;
}

.checkbox-group input[type="checkbox"]:checked + label {
    color: var(--primary-color);
}

.checkbox-group input[type="checkbox"]:disabled + label {
    color: var(--gray-400);
    cursor: not-allowed;
}

/* Performance Settings */
.performance-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    padding: var(--space-5);
    margin-bottom: 0; /* Remove margin since it's in grid layout now */
}

/* =========================
   QR BENCHMARK SECTION
   ========================= */

.qr-benchmark-section {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.qr-benchmark-section h3 {
  color: var(--text);
  margin: 0 0 var(--space-6) 0;
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.benchmark-controls {
  display: flex;
  gap: var(--space-6);
  align-items: flex-end;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.benchmark-inputs {
  display: flex;
  gap: var(--space-4);
  flex: 1;
  min-width: 300px;
}

.benchmark-inputs .form-group {
  flex: 1;
  margin-bottom: 0;
}

.benchmark-number-input {
  width: 120px;
  height: 38px; /* Fixed height for consistency */
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  text-align: center;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box; /* Include border in height calculation */
}

.benchmark-number-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.benchmark-number-input:hover {
  border-color: var(--primary-300);
}

.benchmark-text-input {
  width: 300px; /* Fixed width instead of 100% for inline layout */
  height: 38px; /* Same height as number input */
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box; /* Include border in height calculation */
}

.benchmark-text-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.benchmark-text-input:hover {
  border-color: var(--primary-300);
}

.benchmark-actions {
  flex-shrink: 0;
}

/* Inline benchmark controls for single-row layout */
.benchmark-controls-inline {
  display: flex;
  gap: var(--space-4);
  align-items: flex-end;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.benchmark-inline-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
}

.benchmark-inline-group .form-label {
  margin-bottom: var(--space-1);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
}

.benchmark-inline-group .benchmark-number-input,
.benchmark-inline-group .benchmark-text-input {
  margin-bottom: 0;
}

.benchmark-inline-group .benchmark-btn {
  margin-top: 1.5rem; /* Align with inputs that have labels */
}

.benchmark-btn {
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  font-weight: 600;
  min-width: 180px;
  white-space: nowrap;
}

.benchmark-cancel-btn {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 180px;
  white-space: nowrap;
  margin-left: var(--space-2);
}

.benchmark-cancel-btn:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.benchmark-cancel-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.25);
}

.benchmark-progress {
  text-align: center;
  padding: var(--space-8);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-6);
}

.benchmark-spinner {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-weight: 500;
  color: var(--primary-600);
}

.benchmark-spinner .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-600);
  opacity: 0.3;
  animation: benchmarkBlink 1.2s infinite alternate;
}

.benchmark-spinner .dot:nth-child(2) {
  animation-delay: 0.2s;
}

.benchmark-spinner .dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes benchmarkBlink {
  to {
    opacity: 1;
    transform: translateY(-2px);
  }
}

#benchmarkStatus {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.benchmark-results {
  background: var(--bg);
  border: 1px solid var(--green-200);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.benchmark-summary h4 {
  color: var(--green-600);
  margin: 0 0 var(--space-4) 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.benchmark-recommendation {
  background: linear-gradient(135deg, var(--green-50), var(--green-100));
  border: 1px solid var(--green-200);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
}

.recommendation-card {
  text-align: center;
}

.rec-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green-700);
  margin-bottom: var(--space-2);
}

.rec-threads {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-600);
  margin-bottom: var(--space-1);
}

.rec-reason {
  font-size: 0.875rem;
  color: var(--green-600);
  line-height: 1.4;
  margin-bottom: var(--space-3);
}

.benchmark-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.benchmark-stat {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  text-align: center;
}

.benchmark-stat .stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.benchmark-stat .stat-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.benchmark-chart-container {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.benchmark-chart-container canvas {
  max-width: 100%;
  height: auto;
}

.benchmark-details h4 {
  color: var(--text);
  margin: 0 0 var(--space-4) 0;
  font-size: 1rem;
  font-weight: 600;
}

.results-table-container {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.benchmark-table {
  width: 100%;
  border-collapse: collapse;
}

.benchmark-table th {
  background: var(--gray-50);
  color: var(--text);
  font-weight: 600;
  font-size: 0.875rem;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--border);
}

.benchmark-table th:nth-child(2),
.benchmark-table th:nth-child(3),
.benchmark-table th:nth-child(4) {
  text-align: right;
}

.benchmark-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.benchmark-table td:first-child {
  font-weight: 500;
  color: var(--text);
}

.benchmark-table td:nth-child(2),
.benchmark-table td:nth-child(3),
.benchmark-table td:nth-child(4) {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.benchmark-table tr:hover {
  background: var(--gray-50);
}

.benchmark-table tr:last-child td {
  border-bottom: none;
}

.benchmark-table .error-row {
  background: var(--red-50);
}

.benchmark-table .error-row:hover {
  background: var(--red-100);
}

/* Mobile responsive for benchmark section */
@media (max-width: 768px) {
  .benchmark-controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
  }
  
  .benchmark-controls-inline {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
  }
  
  .benchmark-inline-group .benchmark-btn {
    margin-top: var(--space-2);
  }
  
  .benchmark-inputs {
    flex-direction: column;
    min-width: auto;
  }
  
  .benchmark-text-input {
    width: 100%; /* Full width on mobile */
  }
  
  .benchmark-btn {
    min-width: auto;
    width: 100%;
  }
  
  .benchmark-cancel-btn {
    min-width: auto;
    width: 100%;
    margin-left: 0;
    margin-top: var(--space-2);
  }
  
  .benchmark-stats {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
  }
  
  .results-table-container {
    overflow-x: auto;
  }
  
  .benchmark-table {
    min-width: 500px;
  }
  
  .benchmark-chart-container {
    padding: var(--space-4);
  }
}

@media (max-width: 640px) {
  .qr-benchmark-section {
    padding: var(--space-4);
  }
  
  .benchmark-recommendation {
    padding: var(--space-3);
  }
  
  .rec-threads {
    font-size: 1.25rem;
  }
  
  .benchmark-stat {
    padding: var(--space-3);
  }
  
  .benchmark-stat .stat-value {
    font-size: 0.9rem;
  }
}

.performance-section .form-group {
    margin-bottom: 0;
}

.performance-section select {
    width: 100%;
    max-width: 500px;
}

.performance-section .form-hint {
    margin-bottom: 1rem;
    font-size: 0.875rem;
}