/*
 * RouteCraft Design System
 * Aviation Instrument Panel meets Editorial Warmth
 *
 * Accessibility-first: WCAG AA compliant, 44px+ touch targets,
 * visible focus states, high contrast for outdoor readability.
 */

/* ========================================
   Design Tokens
   ======================================== */

:root {
  /* Color Palette - Aviation Golden Hour */
  --color-navy-deep: #0f1419;
  --color-navy: #1a2332;
  --color-navy-light: #2a3a52;
  --color-slate: #4a5568;
  --color-slate-light: #718096;

  --color-cream: #faf8f5;
  --color-cream-warm: #f5f0e8;
  --color-white: #ffffff;

  --color-amber: #d4943a;
  --color-amber-light: #e8b86d;
  --color-amber-dark: #b87a2e;

  --color-success: #2d7a4f;
  --color-error: #c53030;
  --color-error-light: #fff5f5;

  /* Typography - Editorial meets Precision */
  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;

  /* Type Scale - Generous for readability */
  --text-xs: 0.875rem;     /* 14px */
  --text-sm: 1rem;         /* 16px */
  --text-base: 1.125rem;   /* 18px */
  --text-lg: 1.25rem;      /* 20px */
  --text-xl: 1.5rem;       /* 24px */
  --text-2xl: 2rem;        /* 32px */
  --text-3xl: 2.5rem;      /* 40px */
  --text-4xl: 3.5rem;      /* 56px */
  --text-5xl: 4.5rem;      /* 72px */

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* Interactive - 44px minimum touch target */
  --touch-target-min: 44px;
  --input-height: 56px;
  --button-height: 56px;

  /* Focus Ring - Highly visible */
  --focus-ring: 0 0 0 3px var(--color-amber), 0 0 0 6px var(--color-navy);
  --focus-ring-inset: inset 0 0 0 3px var(--color-amber);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 20, 25, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 20, 25, 0.12);
  --shadow-lg: 0 8px 24px rgba(15, 20, 25, 0.16);
  --shadow-glow: 0 0 20px rgba(212, 148, 58, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
}

/* ========================================
   Base Styles
   ======================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-navy-deep);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Home Page Layout
   ======================================== */

.home {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

/* Skip link target - no visible focus ring on container */
.home:focus {
  outline: none;
}

/* Topographic Route Pattern Background */
.home::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    /* Subtle route lines */
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 80px,
      rgba(26, 35, 50, 0.03) 80px,
      rgba(26, 35, 50, 0.03) 81px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 120px,
      rgba(26, 35, 50, 0.02) 120px,
      rgba(26, 35, 50, 0.02) 121px
    ),
    /* Gradient for depth */
    radial-gradient(
      ellipse 150% 100% at 50% 0%,
      var(--color-cream) 0%,
      var(--color-cream-warm) 100%
    );
  pointer-events: none;
  z-index: 0;
}

/* Decorative compass rose accent */
.home::after {
  content: '';
  position: absolute;
  top: 10%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle at center,
    rgba(212, 148, 58, 0.08) 0%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-8);
  animation: fadeInUp 600ms ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-kicker {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin: 0 0 var(--space-3);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  font-style: normal;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-6);

  /* Subtle text shadow for outdoor readability */
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

@media (min-width: 640px) {
  .hero h1 {
    font-size: var(--text-5xl);
  }
}

.hero .tagline {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-slate);
  margin: 0;
  max-width: 540px;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .hero .tagline {
    font-size: var(--text-xl);
  }
}

/* Hero CTAs */
.hero-ctas {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
  justify-content: center;
}

.button-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.button-ghost {
  background: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-navy-light);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.button-ghost:hover {
  background: rgba(26, 35, 50, 0.05);
  border-color: var(--color-navy);
}

/* ========================================
   Social Proof Strip
   ======================================== */

.proof-strip {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-6);
  margin-bottom: var(--space-8);
  width: 100%;
  max-width: 600px;
}

.proof-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.proof-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy-deep);
}

.proof-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-slate-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.proof-divider {
  width: 1px;
  height: 40px;
  background: var(--color-cream-warm);
}

/* ========================================
   Feature Grid (Home)
   ======================================== */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 600px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-icon {
  font-size: 1.5rem;
  width: 2.75rem;
  height: 2.75rem;
  line-height: 2.75rem;
  text-align: center;
  background: var(--color-navy-deep);
  color: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

/* ========================================
   How It Works
   ======================================== */

.how-it-works {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 900px;
  padding: var(--space-16) var(--space-4);
  text-align: center;
}

.how-it-works h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-12) 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-navy-deep);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.step h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin: 0 0 var(--space-2) 0;
}

.step p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-slate);
  margin: 0;
  line-height: 1.6;
}

/* Section Subtitle */
.section-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-slate);
  text-align: center;
  margin: calc(-1 * var(--space-4)) 0 var(--space-8) 0;
}

/* Responsive: mobile stacking */
@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .proof-strip {
    gap: var(--space-4);
  }

  .proof-number {
    font-size: var(--text-xl);
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================
   Waitlist Section
   ======================================== */

.waitlist {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(26, 35, 50, 0.08);
  animation: fadeInUp 600ms ease-out 150ms backwards;
}

@media (min-width: 640px) {
  .waitlist {
    padding: var(--space-12);
  }
}

.waitlist h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-2);
  text-align: center;
}

.waitlist > p {
  font-size: var(--text-base);
  color: var(--color-slate);
  text-align: center;
  margin: 0 0 var(--space-8);
}

/* ========================================
   Form Styles
   ======================================== */

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Labels - Always visible, never placeholder-only */
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Email Input - Large, accessible, high contrast */
.form-group input[type="email"] {
  height: var(--input-height);
  min-height: var(--touch-target-min);
  padding: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-navy-deep);
  background: var(--color-cream);
  border: 2px solid var(--color-navy-light);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);

  /* Remove default styling */
  -webkit-appearance: none;
  appearance: none;
}

.form-group input[type="email"]::placeholder {
  color: var(--color-slate-light);
  opacity: 1;
}

.form-group input[type="email"]:hover {
  border-color: var(--color-navy);
  background: var(--color-white);
}

/* Focus state - Highly visible amber ring */
.form-group input[type="email"]:focus {
  outline: none;
  border-color: var(--color-amber);
  background: var(--color-white);
  box-shadow: var(--focus-ring);
}

/* Submit Button - Bold, accessible, inviting */
.waitlist-form input[type="submit"],
.waitlist-form button[type="submit"] {
  height: var(--button-height);
  min-height: var(--touch-target-min);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-white);
  background: var(--color-navy-deep);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);

  /* Remove default styling */
  -webkit-appearance: none;
  appearance: none;
}

.waitlist-form input[type="submit"]:hover,
.waitlist-form button[type="submit"]:hover {
  background: var(--color-navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.waitlist-form input[type="submit"]:active,
.waitlist-form button[type="submit"]:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Focus state - Amber glow */
.waitlist-form input[type="submit"]:focus,
.waitlist-form button[type="submit"]:focus {
  outline: none;
  box-shadow: var(--focus-ring), var(--shadow-md);
}

/* Focus-visible for keyboard users */
.waitlist-form input[type="submit"]:focus:not(:focus-visible),
.waitlist-form button[type="submit"]:focus:not(:focus-visible) {
  box-shadow: var(--shadow-sm);
}

.waitlist-form input[type="submit"]:focus-visible,
.waitlist-form button[type="submit"]:focus-visible {
  box-shadow: var(--focus-ring), var(--shadow-md);
}

/* ========================================
   Error States
   ======================================== */

.error {
  background: var(--color-error-light);
  border: 2px solid var(--color-error);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: var(--color-error);
  font-size: var(--text-base);
  font-weight: 500;
  text-align: center;
  animation: shake 400ms ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* Error state on input */
.form-group:has(.error) input[type="email"],
input[type="email"][aria-invalid="true"] {
  border-color: var(--color-error);
  background: var(--color-error-light);
}

/* ========================================
   Confirmation State
   ======================================== */

.confirmation {
  text-align: center;
  padding: var(--space-8);
  animation: scaleIn 400ms ease;
}

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

.confirmation h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-success);
  margin: 0 0 var(--space-4);
}

.confirmation p {
  font-size: var(--text-lg);
  color: var(--color-slate);
  margin: 0;
  line-height: 1.6;
}

/* Success checkmark decoration */
.confirmation::before {
  content: '';
  display: block;
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  background: var(--color-success);
  border-radius: 50%;
  position: relative;
}

.confirmation::after {
  content: '';
  display: block;
  width: 24px;
  height: 12px;
  border-left: 3px solid var(--color-white);
  border-bottom: 3px solid var(--color-white);
  transform: rotate(-45deg);
  position: absolute;
  top: calc(var(--space-8) + 24px);
  left: 50%;
  margin-left: -12px;
}

/* ========================================
   Accessibility Utilities
   ======================================== */

/* Visually hidden but accessible to screen readers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   Skip Link (Accessibility)
   ======================================== */

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-navy-deep);
  color: var(--color-white);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ========================================
   App Navigation
   ======================================== */

.app-nav {
  background: var(--color-navy-deep);
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-8);
  height: 56px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-logo:hover {
  color: var(--color-amber);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-logout {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-logout:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

/* Navigation - Mobile Responsive */
@media (max-width: 639px) {
  .app-nav {
    padding: 0;
    border-bottom: 1px solid rgba(212, 148, 58, 0.2);
  }

  .nav-content {
    flex-wrap: wrap;
    height: auto;
    gap: 0;
    padding: 0;
  }

  /* Top bar: Logo + Logout */
  .nav-logo {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-lg);
    display: flex;
    align-items: center;
    min-height: 48px;
  }

  .nav-actions {
    margin-left: 0;
    padding-right: var(--space-3);
    display: flex;
    align-items: center;
  }

  .nav-logout {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    min-height: 44px;
    border-color: rgba(255, 255, 255, 0.2);
  }

  /* Bottom bar: Navigation links as tabs */
  .nav-links {
    order: 3;
    width: 100%;
    display: flex;
    gap: 0;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-links li {
    flex: 1;
  }

  .nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 0;
    position: relative;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-amber);
    transition: width var(--transition-fast);
  }

  .nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
  }

  .nav-link:hover::after {
    width: 40%;
  }

  .nav-link.active {
    color: var(--color-amber);
    background: transparent;
  }

  .nav-link.active::after {
    width: 60%;
    background: var(--color-amber);
  }
}

/* ========================================
   Features Section
   ======================================== */

/* Home Pricing Section */
.home-pricing {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-4) var(--space-16);
}

.home-pricing h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-navy-deep);
  text-align: center;
  margin: 0 0 var(--space-8) 0;
}

/* ========================================
   Features Section
   ======================================== */

.features {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1100px;
  padding: var(--space-16) var(--space-4);
}

.features h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  text-align: center;
  margin: 0 0 var(--space-12);
}

.features .feature {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.06);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.features .feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.features .feature h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-2);
}

.features .feature p {
  font-size: var(--text-sm);
  color: var(--color-slate);
  line-height: 1.6;
  margin: 0;
}

/* Features: responsive handled by .feature-grid */

/* ========================================
   Site Footer
   ======================================== */

.site-footer {
  width: 100%;
  background: var(--color-navy-deep);
  color: var(--color-cream);
  padding: var(--space-16) var(--space-6);
  margin-top: auto;
}

.footer-content {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.footer-content p {
  margin: 0 0 var(--space-4);
  line-height: 1.6;
}

.footer-content p:last-child {
  margin-bottom: 0;
}

/* Crafted by - WCAG AA compliant: #faf8f5 on #0f1419 = 14.4:1 contrast */
.crafted-by {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-cream);
  margin-bottom: var(--space-8) !important;
}

.crafted-by a {
  color: var(--color-amber-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.crafted-by a:hover {
  color: var(--color-amber);
}

.crafted-by a:focus {
  outline: none;
  color: var(--color-amber);
  box-shadow: 0 0 0 3px var(--color-amber);
  border-radius: var(--radius-sm);
}

/* KS Labs Products Section */
.ks-labs-products {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  max-width: 400px;
  margin-inline: auto;
}

.products-label {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-cream);
  margin-bottom: var(--space-4) !important;
}

.products-label strong {
  font-weight: 600;
  color: var(--color-amber-light);
}

.ks-labs-products .product-link {
  display: block;
  color: var(--color-cream);
  text-decoration: none;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.ks-labs-products .product-link:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.ks-labs-products .product-link:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-amber);
  border-radius: var(--radius-md);
}

.product-name {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-amber-light);
  margin-bottom: var(--space-2);
}

.product-description {
  display: block;
  font-size: var(--text-base);
  color: var(--color-cream);
  line-height: 1.5;
}

/* Copyright - WCAG AA compliant: #a0aec0 on #0f1419 = 7.2:1 contrast */
.copyright {
  font-size: var(--text-base);
  color: #a0aec0;
  margin-top: var(--space-4) !important;
}

/* Footer Links */
.footer-links {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-4);
}

.footer-link {
  color: var(--color-amber-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-amber);
}

/* ========================================
   Contact Page
   ======================================== */

.contact-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-16) var(--space-4);
}

.contact-hero {
  text-align: center;
  max-width: 600px;
  margin-bottom: var(--space-12);
}

.contact-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-4);
}

.contact-subtitle {
  font-size: var(--text-lg);
  color: var(--color-slate);
  line-height: 1.6;
  margin: 0;
}

.contact-details {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  max-width: 700px;
  width: 100%;
}

@media (min-width: 600px) {
  .contact-details {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.06);
}

.contact-card h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-2);
}

.contact-card p {
  font-size: var(--text-base);
  color: var(--color-slate);
  line-height: 1.6;
  margin: 0 0 var(--space-4);
}

.contact-email {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-email:hover {
  color: var(--color-amber);
}

/* ========================================
   Legal Pages (Terms, Privacy)
   ======================================== */

.legal-page {
  display: flex;
  justify-content: center;
  padding: var(--space-12) var(--space-4);
}

.legal-content {
  max-width: 720px;
  width: 100%;
}

.legal-content h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-2);
}

.legal-updated {
  font-size: var(--text-sm);
  color: var(--color-slate);
  margin: 0 0 var(--space-8);
}

.legal-intro {
  font-size: var(--text-lg);
  color: var(--color-slate);
  line-height: 1.7;
  margin: 0 0 var(--space-8);
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: var(--space-10) 0 var(--space-3);
}

.legal-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: var(--space-6) 0 var(--space-2);
}

.legal-content p {
  font-size: var(--text-base);
  color: var(--color-slate);
  line-height: 1.7;
  margin: 0 0 var(--space-3);
}

.legal-content ul {
  margin: var(--space-2) 0 var(--space-4);
  padding-left: var(--space-6);
}

.legal-content li {
  font-size: var(--text-base);
  color: var(--color-slate);
  line-height: 1.7;
  margin-bottom: var(--space-1);
}

.legal-content a {
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--color-amber);
}

.legal-callout {
  background: #fef9e7;
  border: 1px solid #f0d96b;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-4) 0;
}

.legal-callout p {
  margin: 0;
  color: var(--color-navy-deep);
}

.legal-callout-muted {
  background: var(--color-cream-warm);
  border-color: rgba(26, 35, 50, 0.12);
}

.legal-callout-muted p {
  font-size: var(--text-sm);
  text-transform: uppercase;
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .home {
    min-height: auto;
    padding: 0;
  }

  .home::before,
  .home::after {
    display: none;
  }

  .waitlist {
    box-shadow: none;
    border: 1px solid #000;
  }

  .features .feature {
    box-shadow: none;
    border: 1px solid #000;
    break-inside: avoid;
  }

  .site-footer {
    background: #fff;
    color: #000;
    border-top: 1px solid #000;
  }

  .site-footer a {
    color: #000;
  }
}

/* ========================================
   High Contrast Mode Support
   ======================================== */

@media (prefers-contrast: more) {
  :root {
    --color-navy-deep: #000000;
    --color-slate: #333333;
    --color-cream: #ffffff;
  }

  .form-group input[type="email"] {
    border-width: 3px;
  }

  .waitlist-form input[type="submit"],
  .waitlist-form button[type="submit"] {
    border: 3px solid var(--color-navy-deep);
  }
}

/* ========================================
   Trips Pages - Flight Planning Interface
   ======================================== */

/* Shared App Layout */
.trips-index,
.trips-new,
.trips-show,
.trips-edit,
.aircraft-index,
.aircraft-new,
.aircraft-show,
.aircraft-edit {
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--space-6);
  background: var(--color-cream);
  position: relative;
}

/* Subtle aviation-inspired background pattern */
.trips-index::before,
.trips-new::before,
.trips-show::before,
.trips-edit::before,
.aircraft-index::before,
.aircraft-new::before,
.aircraft-show::before,
.aircraft-edit::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    /* Subtle grid pattern - reminiscent of sectional charts */
    linear-gradient(rgba(26, 35, 50, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 35, 50, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.trips-index > *,
.trips-new > *,
.trips-show > *,
.trips-edit > *,
.aircraft-index > *,
.aircraft-new > *,
.aircraft-show > *,
.aircraft-edit > * {
  position: relative;
  z-index: 1;
}

/* Page Header - Shared across trips pages */
.page-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 800px;
  margin: 0 auto var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 2px solid var(--color-navy-light);
}

@media (min-width: 640px) {
  .page-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .page-header h1 {
    font-size: var(--text-3xl);
  }
}

/* Route display in header */
.page-header h1 .origin,
.page-header h1 .destination {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.page-header h1 .arrow {
  color: var(--color-amber);
  font-size: 0.8em;
}

.back-link {
  font-size: var(--text-base);
  color: var(--color-slate);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-navy-deep);
}

.back-link:focus {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* Page Actions */
.page-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* button_to generates a form wrapper - make it inline */
.page-actions form {
  display: inline;
}

/* ========================================
   Button Styles
   ======================================== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.button:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

.button-primary {
  background: var(--color-navy-deep);
  color: var(--color-white);
  border-color: var(--color-navy-deep);
}

.button-primary:hover {
  background: var(--color-navy);
  border-color: var(--color-navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.button-primary:active {
  transform: translateY(0);
}

.button-secondary {
  background: transparent;
  color: var(--color-navy-deep);
  border-color: var(--color-navy-light);
}

.button-secondary:hover {
  background: var(--color-cream-warm);
  border-color: var(--color-navy);
}

.button-danger {
  background: transparent;
  color: var(--color-error);
  border-color: var(--color-error);
}

.button-danger:hover {
  background: var(--color-error);
  color: var(--color-white);
  border-color: var(--color-error);
}

/* ========================================
   Trips Index Page
   ======================================== */

.trips-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.trip-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
  overflow: hidden;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.trip-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.trip-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  min-height: var(--touch-target-min);
}

@media (min-width: 640px) {
  .trip-link {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.trip-link:focus {
  outline: none;
  box-shadow: var(--focus-ring-inset);
}

.trip-link .route {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-navy-deep);
}

.trip-link .route .origin,
.trip-link .route .destination {
  font-family: var(--font-body);
  letter-spacing: 0.05em;
}

.trip-link .route .arrow {
  color: var(--color-amber);
  font-size: 0.9em;
}

.trip-link .details {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-slate);
}

.trip-link .distance {
  font-weight: 600;
  color: var(--color-navy);
}

.trip-link .aircraft {
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-slate-light);
}

/* Empty State */
.empty-state {
  max-width: 480px;
  margin: var(--space-16) auto;
  text-align: center;
  padding: var(--space-12);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.empty-state p {
  font-size: var(--text-lg);
  color: var(--color-slate);
  margin: 0 0 var(--space-6);
}

/* ========================================
   Aircraft Index Page
   ======================================== */

.aircraft-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.aircraft-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
  overflow: hidden;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.aircraft-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.aircraft-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  min-height: var(--touch-target-min);
}

@media (min-width: 640px) {
  .aircraft-link {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.aircraft-link:focus {
  outline: none;
  box-shadow: var(--focus-ring-inset);
}

.aircraft-link .aircraft-identity {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.aircraft-link .tail-number {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy-deep);
  letter-spacing: 0.03em;
}

.aircraft-link .name {
  font-size: var(--text-base);
  color: var(--color-slate);
}

.aircraft-link .aircraft-stats {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-slate);
}

.aircraft-link .speed {
  font-weight: 600;
  color: var(--color-navy);
}

.aircraft-link .range {
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-slate-light);
}

/* ========================================
   Aircraft Show Page
   ======================================== */

.aircraft-show .aircraft-details,
.aircraft-show .performance-section,
.aircraft-show .computed-section {
  max-width: 800px;
  margin: 0 auto var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.aircraft-show h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(26, 35, 50, 0.1);
}

.identity-grid,
.performance-grid,
.computed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-6);
  margin: 0;
}

.identity-item,
.performance-item,
.computed-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.identity-item dt,
.performance-item dt,
.computed-item dt {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.identity-item dd,
.performance-item dd,
.computed-item dd {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0;
}

.identity-item .tail-number {
  color: var(--color-amber-dark);
  letter-spacing: 0.03em;
}

.aircraft-actions {
  max-width: 800px;
  margin: var(--space-8) auto 0;
  display: flex;
  gap: var(--space-3);
  justify-content: flex-start;
}

/* ========================================
   Trip Form
   ======================================== */

.trip-form,
.aircraft-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* Error Summary */
.error-summary {
  background: var(--color-error-light);
  border: 2px solid var(--color-error);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  animation: shake 400ms ease;
}

.error-summary h2 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-error);
  margin: 0 0 var(--space-3);
}

.error-summary ul {
  margin: 0;
  padding-left: var(--space-6);
  color: var(--color-error);
}

.error-summary li {
  margin-bottom: var(--space-1);
}

/* Form Sections */
.form-section {
  background: var(--color-white);
  border: 1px solid rgba(26, 35, 50, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: 0;
}

.form-section legend {
  float: left;
  width: 100%;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-navy-deep);
  padding: 0;
  margin-bottom: var(--space-4);
}

/* Clear the float after legend */
.form-section > .field:first-of-type,
.form-section > .airport-autocomplete:first-of-type {
  clear: both;
}

/* Form Fields */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.field:first-of-type {
  margin-top: var(--space-2);
}

.field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.field select,
.field input[type="text"],
.field input[type="number"] {
  height: var(--input-height);
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-navy-deep);
  background: var(--color-cream);
  border: 2px solid var(--color-navy-light);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

/* Custom select arrow */
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%231a2332' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  background-size: 20px;
  padding-right: var(--space-12);
}

.field select:hover,
.field input[type="text"]:hover,
.field input[type="number"]:hover {
  border-color: var(--color-navy);
  background-color: var(--color-white);
}

.field select:focus,
.field input[type="text"]:focus,
.field input[type="number"]:focus {
  outline: none;
  border-color: var(--color-amber);
  background-color: var(--color-white);
  box-shadow: var(--focus-ring);
}

.field .hint {
  font-size: var(--text-sm);
  color: var(--color-slate-light);
  line-height: 1.4;
}

/* Form Actions */
.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-4);
}

@media (min-width: 480px) {
  .form-actions {
    flex-direction: row;
    justify-content: flex-end;
  }
}

/* ========================================
   Trip Show Page
   ======================================== */

.trips-show .page-header {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .trips-show .page-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Trip Summary Section */
.trip-summary {
  max-width: 800px;
  margin: 0 auto var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.trip-summary h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(26, 35, 50, 0.1);
}

/* Summary Grid */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6);
  margin: 0;
}

.summary-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.summary-item dt {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.summary-item dd {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0;
}

/* First item (Total Distance) gets special treatment */
.summary-item:first-child dd {
  color: var(--color-amber-dark);
}

/* Route Map Section */
.route-map-section {
  max-width: 800px;
  margin: 0 auto var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.route-map-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(26, 35, 50, 0.1);
}

.route-map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.route-map {
  width: 100%;
  height: 400px;
  background: var(--color-cream);
}

.map-error {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-slate);
  font-size: var(--text-base);
  text-align: center;
  padding: var(--space-6);
}

@media (min-width: 640px) {
  .route-map {
    height: 500px;
  }
}

/* Legs Section */
.legs-section {
  max-width: 800px;
  margin: 0 auto var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.legs-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(26, 35, 50, 0.1);
}

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

.legs-table th,
.legs-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
}

.legs-table th {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--color-navy-light);
}

.legs-table tbody tr {
  border-bottom: 1px solid rgba(26, 35, 50, 0.08);
}

.legs-table tbody tr:hover {
  background: var(--color-cream);
}

.legs-table .leg-number {
  font-weight: 600;
  color: var(--color-slate);
}

.legs-table .airport {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-navy-deep);
}

.legs-table .numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.legs-table tfoot td {
  font-weight: 600;
  color: var(--color-navy-deep);
  border-top: 2px solid var(--color-navy-light);
  padding-top: var(--space-4);
}

/* Leg Range Status */
.legs-table .leg-warning td {
  background: rgba(220, 38, 38, 0.08);
}

.legs-table .leg-warning .numeric {
  color: #dc2626;
}

.range-warning {
  display: inline-block;
  margin-left: var(--space-2);
  color: #dc2626;
  font-size: var(--text-lg);
  vertical-align: middle;
}

/* Plan Leg column — hidden by default, revealed on iOS by Stimulus */
.legs-col-foreflight,
.foreflight-link {
  display: none;
}

.planning-links-visible .legs-col-foreflight,
.planning-links-visible .foreflight-link {
  display: table-cell;
}

/* Legs table - responsive compact layout
   Mobile: merges Leg/From/To into "1. KEET → KHEZ"
   Desktop: full 5-column layout */
.leg-number .leg-compact {
  display: none;
}

.legs-tfoot-compact {
  display: none;
}

@media (max-width: 639px) {
  .legs-col-from,
  .legs-col-to,
  .legs-tfoot-wide {
    display: none;
  }

  .legs-tfoot-compact {
    display: table-cell;
  }

  .leg-number .leg-number-only {
    display: none;
  }

  .leg-number .leg-compact {
    display: inline;
  }

  .legs-table .foreflight-link {
    white-space: nowrap;
  }
}

/* Route Warning Banner */
.route-warning {
  max-width: 800px;
  margin: 0 auto var(--space-8);
  padding: var(--space-4) var(--space-6);
  background: rgba(220, 38, 38, 0.1);
  border: 2px solid #dc2626;
  border-radius: var(--radius-lg);
  color: #991b1b;
  font-size: var(--text-base);
}

.route-warning strong {
  color: #dc2626;
}

/* Route Details Section */
.route-details {
  max-width: 800px;
  margin: 0 auto;
}

.route-details h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-6);
}

/* Waypoints List */
.waypoints {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}

/* Vertical connection line */
.waypoints::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 40px;
  bottom: 72px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-amber) 0%,
    var(--color-amber-light) 50%,
    var(--color-amber) 100%
  );
}

.waypoint {
  display: grid;
  grid-template-columns: 48px 1fr;
  grid-template-rows: auto auto auto;
  gap: var(--space-1) var(--space-4);
  padding: var(--space-4) 0;
  position: relative;
}

/* Waypoint marker */
.waypoint::before {
  content: '';
  grid-row: 1 / -1;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 3px solid var(--color-navy-light);
  box-shadow: var(--shadow-sm);
  align-self: start;
  justify-self: center;
  z-index: 1;
}

.waypoint.origin::before {
  border-color: var(--color-success);
  background: linear-gradient(135deg, var(--color-white) 0%, #e6f4eb 100%);
}

.waypoint.destination::before {
  border-color: var(--color-amber);
  background: linear-gradient(135deg, var(--color-white) 0%, #fef6e8 100%);
}

.waypoint.stop::before {
  border-color: var(--color-navy-light);
  width: 36px;
  height: 36px;
  margin: 6px;
}

.waypoint-type {
  grid-column: 2;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.airport-code {
  grid-column: 2;
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy-deep);
  letter-spacing: 0.05em;
}

.airport-name {
  grid-column: 2;
  font-size: var(--text-base);
  color: var(--color-slate);
}

.rationale {
  grid-column: 2;
  font-size: var(--text-sm);
  color: var(--color-slate-light);
  font-style: italic;
  margin-top: var(--space-2);
  padding: var(--space-3);
  background: var(--color-cream-warm);
  border-radius: var(--radius-sm);
}

/* Flash Messages */
.flash-notice,
.flash-alert {
  max-width: 800px;
  margin: 0 auto var(--space-6);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 500;
  animation: slideDown 300ms ease-out;
}

.flash-notice {
  background: linear-gradient(135deg, #e6f4eb 0%, #d4edda 100%);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.flash-alert {
  background: var(--color-error-light);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .trips-index,
  .trips-new,
  .trips-show,
  .trips-edit,
  .aircraft-index,
  .aircraft-new,
  .aircraft-show,
  .aircraft-edit {
    padding: 0;
    background: white;
  }

  .trips-index::before,
  .trips-new::before,
  .trips-show::before,
  .trips-edit::before,
  .aircraft-index::before,
  .aircraft-new::before,
  .aircraft-show::before,
  .aircraft-edit::before {
    display: none;
  }

  .button {
    display: none;
  }

  .back-link {
    display: none;
  }

  .trip-card,
  .trip-summary,
  .form-section {
    box-shadow: none;
    border: 1px solid #000;
    break-inside: avoid;
  }

  .waypoints::before {
    background: #000;
  }

  .waypoint::before {
    border-color: #000;
  }
}

/* ========================================
   Airport Autocomplete
   ======================================== */

.airport-autocomplete {
  position: relative;
}

.autocomplete-wrapper {
  position: relative;
}

.autocomplete-input {
  height: var(--input-height);
  min-height: var(--touch-target-min);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-navy-deep);
  background: var(--color-cream);
  border: 2px solid var(--color-navy-light);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.autocomplete-input::placeholder {
  color: var(--color-slate-light);
  opacity: 1;
}

.autocomplete-input:hover {
  border-color: var(--color-navy);
  background-color: var(--color-white);
}

.autocomplete-input:focus {
  outline: none;
  border-color: var(--color-amber);
  background-color: var(--color-white);
  box-shadow: var(--focus-ring);
}

/* Listbox dropdown */
.autocomplete-listbox {
  position: absolute;
  top: calc(100% + var(--space-1));
  left: 0;
  right: 0;
  max-height: 320px;
  overflow-y: auto;
  background: var(--color-white);
  border: 2px solid var(--color-navy-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
}

.autocomplete-listbox[hidden] {
  display: none;
}

/* Individual option */
.autocomplete-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  min-height: var(--touch-target-min);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.autocomplete-option:not(:last-child) {
  border-bottom: 1px solid rgba(26, 35, 50, 0.08);
}

.autocomplete-option:hover,
.autocomplete-option.is-highlighted {
  background: var(--color-cream-warm);
}

.autocomplete-option[aria-selected="true"] {
  background: var(--color-cream-warm);
}

.autocomplete-option:focus {
  outline: none;
  box-shadow: var(--focus-ring-inset);
}

/* ICAO code - prominent */
.autocomplete-option-code {
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-navy-deep);
  min-width: 60px;
}

/* Airport details */
.autocomplete-option-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.autocomplete-option-name {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.autocomplete-option-location {
  font-size: var(--text-sm);
  color: var(--color-slate);
}

/* Empty state */
.autocomplete-empty {
  padding: var(--space-6) var(--space-4);
  text-align: center;
  color: var(--color-slate);
  font-style: italic;
}

/* Match confirmation indicator */
.match-indicator {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  color: var(--color-white);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-fast),
    visibility var(--transition-fast),
    transform var(--transition-fast);
}

.airport-autocomplete.is-matched .match-indicator {
  opacity: 1;
  visibility: visible;
}

.airport-autocomplete.is-matched .autocomplete-input {
  border-color: var(--color-success);
  padding-right: calc(var(--space-4) + 32px);
}

/* Invalid state - unrecognized airport code */
.airport-autocomplete.is-invalid .autocomplete-input {
  border-color: var(--color-error) !important;
  background-color: var(--color-error-light) !important;
  transition: none !important;
}

.airport-autocomplete.is-invalid .autocomplete-input:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(197, 48, 48, 0.3), 0 0 0 6px var(--color-navy);
}

/* Print styles */
@media print {
  .autocomplete-listbox {
    display: none !important;
  }

  .match-indicator {
    display: none;
  }
}

/* ========================================
   Account Settings Page
   ======================================== */

.account-page {
  max-width: 640px;
  margin: var(--space-8) auto;
  padding: 0 var(--space-6);
}

.account-page h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-8);
}

.account-section {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.account-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-4);
}

.account-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.account-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.account-detail {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin: var(--space-1) 0 0;
}

.account-danger-zone {
  border-color: #dc2626;
}

.account-danger-zone h2 {
  color: #dc2626;
}

/* ========================================
   Authentication Pages
   ======================================== */

.auth-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: var(--color-cream);
  position: relative;
}

/* Subtle aviation-inspired background */
.auth-page::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 80px,
      rgba(26, 35, 50, 0.02) 80px,
      rgba(26, 35, 50, 0.02) 81px
    ),
    radial-gradient(
      ellipse 150% 100% at 50% 0%,
      var(--color-cream) 0%,
      var(--color-cream-warm) 100%
    );
  pointer-events: none;
  z-index: 0;
}

.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(26, 35, 50, 0.08);
}

@media (min-width: 640px) {
  .auth-card {
    padding: var(--space-12);
  }
}

.auth-card h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-2);
  text-align: center;
}

.auth-subtitle {
  font-size: var(--text-base);
  color: var(--color-slate);
  text-align: center;
  margin: 0 0 var(--space-8);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.auth-form .field {
  margin-top: 0;
}

.auth-input {
  height: var(--input-height);
  min-height: var(--touch-target-min);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-navy-deep);
  background: var(--color-cream);
  border: 2px solid var(--color-navy-light);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.auth-input::placeholder {
  color: var(--color-slate-light);
  opacity: 1;
}

.auth-input:hover {
  border-color: var(--color-navy);
  background-color: var(--color-white);
}

.auth-input:focus {
  outline: none;
  border-color: var(--color-amber);
  background-color: var(--color-white);
  box-shadow: var(--focus-ring);
}

.button-full {
  width: 100%;
}

.auth-links {
  text-align: center;
  margin: var(--space-6) 0 0;
  font-size: var(--text-base);
  color: var(--color-slate);
}

.auth-links a {
  color: var(--color-navy);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.auth-links a:hover {
  color: var(--color-amber-dark);
}

.auth-links a:focus {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* ========================================
   Route Options Page
   ======================================== */

.route-options-index {
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--space-6);
  background: var(--color-cream);
  position: relative;
}

.route-options-index::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 35, 50, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 35, 50, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.route-options-index > * {
  position: relative;
  z-index: 1;
}

.route-options-index .route-summary {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-top: var(--space-2);
}

.route-options-index .route-summary .origin,
.route-options-index .route-summary .destination {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.route-options-index .route-summary .arrow {
  color: var(--color-amber);
}

.route-options-index .route-summary .aircraft {
  color: var(--color-slate);
  font-weight: normal;
}

.instructions {
  max-width: 800px;
  margin: 0 auto var(--space-8);
  font-size: var(--text-lg);
  color: var(--color-slate);
  text-align: center;
}

.no-options-warning {
  max-width: 600px;
  margin: var(--space-8) auto;
  padding: var(--space-6);
  background: rgba(220, 38, 38, 0.1);
  border: 2px solid #dc2626;
  border-radius: var(--radius-lg);
  color: #991b1b;
  text-align: center;
}

/* Route Options Layout - Responsive two-column with map */
.route-options-layout {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .route-options-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: start;
  }
}

.route-options-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Legacy grid support */
.route-options-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.route-option {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 2px solid rgba(26, 35, 50, 0.08);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.route-option:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-amber-light);
}

.route-option[data-category="direct"] {
  border-color: var(--color-success);
}

.route-option[data-category="best_overall"] {
  border-color: var(--color-amber);
}

.option-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(26, 35, 50, 0.1);
}

.option-header .category {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  margin: 0;
}

.recommended-badge {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-amber);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.option-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin: 0;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.detail-item dt {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-item dd {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-navy-deep);
  margin: 0;
}

.route-preview {
  padding: var(--space-3);
  background: var(--color-cream);
  border-radius: var(--radius-md);
}

.route-preview .waypoints {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: 0.03em;
  word-break: break-word;
}

.route-option .select-button {
  width: 100%;
  margin-top: auto;
}

/* Active/hovered route option card */
.route-option.is-active {
  border-color: var(--color-amber);
  box-shadow: var(--shadow-md), 0 0 0 2px var(--color-amber-light);
}

/* Route Preview Map Section */
.route-preview-map {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
  overflow: hidden;
}

.route-preview-map .route-map {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-md);
}

@media (min-width: 900px) {
  .route-preview-map {
    position: sticky;
    top: calc(56px + var(--space-6)); /* nav height + padding */
  }

  .route-preview-map .route-map {
    height: 500px;
  }
}

.route-options-index .page-actions {
  max-width: 800px;
  margin: var(--space-8) auto 0;
  text-align: center;
}

@media print {
  .route-options-index {
    padding: 0;
    background: white;
  }

  .route-options-index::before {
    display: none;
  }

  .route-options-layout {
    display: block;
  }

  .route-preview-map {
    display: none;
  }

  .route-option {
    box-shadow: none;
    border: 1px solid #000;
    break-inside: avoid;
  }

  .select-button {
    display: none;
  }
}

/* ========================================
   Admin Layout
   ======================================== */

.admin-body {
  background: var(--color-cream);
  min-height: 100vh;
}

.admin-layout {
  display: flex;
  min-height: calc(100vh - 56px);
}

.admin-sidebar {
  width: 240px;
  background: var(--color-white);
  border-right: 1px solid rgba(26, 35, 50, 0.08);
  padding: var(--space-6);
  flex-shrink: 0;
}

.admin-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.admin-nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-navy);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  min-height: var(--touch-target-min);
}

.admin-nav-link:hover {
  background: var(--color-cream);
  color: var(--color-navy-deep);
}

.admin-nav-link:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

.admin-nav-link.active {
  background: var(--color-navy-deep);
  color: var(--color-white);
}

.admin-nav-link.disabled {
  color: var(--color-slate-light);
  cursor: not-allowed;
  pointer-events: none;
}

.admin-main {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
}

.admin-dashboard {
  max-width: 800px;
}

.admin-dashboard h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-6);
}

@media (max-width: 768px) {
  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid rgba(26, 35, 50, 0.08);
    padding: var(--space-4);
  }

  .admin-nav ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .admin-nav-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
  }
}

/* ========================================
   Admin Dashboard Metrics
   ======================================== */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.metric-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px solid rgba(26, 35, 50, 0.08);
  text-decoration: none;
  color: inherit;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
  overflow: hidden;
}

/* Instrument panel ring effect */
.metric-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(
    circle at center,
    transparent 40%,
    rgba(212, 148, 58, 0.05) 60%,
    transparent 70%
  );
  pointer-events: none;
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-amber);
}

.metric-card:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

.metric-value {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  line-height: 1;
  margin-bottom: var(--space-2);
  position: relative;
  z-index: 1;
}

.metric-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  z-index: 1;
}

/* ========================================
   Admin Page Headers
   ======================================== */

.admin-main .page-header {
  max-width: none;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 2px solid var(--color-navy-light);
}

.admin-main .page-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  margin: 0;
}

.page-subtitle {
  font-size: var(--text-base);
  color: var(--color-slate);
  margin: var(--space-2) 0 0;
}

.page-actions {
  margin-bottom: var(--space-6);
}

/* ========================================
   Filter Tabs
   ======================================== */

.filter-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: 2px solid rgba(26, 35, 50, 0.08);
  padding-bottom: var(--space-1);
}

.filter-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-slate);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.filter-tab:hover {
  color: var(--color-navy-deep);
}

.filter-tab.active {
  color: var(--color-navy-deep);
  border-bottom-color: var(--color-navy-deep);
  font-weight: 600;
}

/* ========================================
   Button Group
   ======================================== */

.button-group {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* ========================================
   Admin Tables
   ======================================== */

.admin-table-container {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26, 35, 50, 0.08);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

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

.admin-table th {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: left;
  padding: var(--space-4) var(--space-6);
  background: var(--color-cream);
  border-bottom: 2px solid var(--color-navy-light);
}

.admin-table td {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  color: var(--color-navy-deep);
  border-bottom: 1px solid rgba(26, 35, 50, 0.06);
  vertical-align: middle;
}

.admin-table tbody tr {
  transition: background-color var(--transition-fast);
}

.admin-table tbody tr:hover {
  background: var(--color-cream);
}

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

.admin-table a {
  color: var(--color-navy);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.admin-table a:hover {
  color: var(--color-amber-dark);
  text-decoration: underline;
}

.admin-table a:focus {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* ========================================
   Status Badges
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: var(--color-navy-deep);
  color: var(--color-white);
}

.badge-success {
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  color: #155724;
  border: 1px solid rgba(45, 122, 79, 0.2);
}

.badge-warning {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeeba 100%);
  color: #856404;
  border: 1px solid rgba(212, 148, 58, 0.3);
}

.badge-danger {
  background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
  color: #721c24;
  border: 1px solid rgba(197, 48, 48, 0.2);
}

/* ========================================
   Admin Search
   ======================================== */

.admin-search {
  margin-bottom: var(--space-6);
}

.search-form {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 200px;
  max-width: 400px;
  height: var(--input-height);
  min-height: var(--touch-target-min);
  padding: var(--space-3) var(--space-4);
  padding-left: var(--space-12);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-navy-deep);
  background: var(--color-white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: var(--space-4) center;
  border: 2px solid var(--color-navy-light);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.search-input::placeholder {
  color: var(--color-slate-light);
}

.search-input:hover {
  border-color: var(--color-navy);
  background-color: var(--color-cream);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-amber);
  background-color: var(--color-white);
  box-shadow: var(--focus-ring);
}

.button-text {
  background: transparent;
  border: none;
  color: var(--color-slate);
  font-weight: 500;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.button-text:hover {
  color: var(--color-navy-deep);
  background: var(--color-cream);
}

/* ========================================
   Admin Forms
   ======================================== */

.admin-form-container {
  max-width: 480px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 35, 50, 0.08);
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.admin-input {
  height: var(--input-height);
  min-height: var(--touch-target-min);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-navy-deep);
  background: var(--color-cream);
  border: 2px solid var(--color-navy-light);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.admin-input::placeholder {
  color: var(--color-slate-light);
}

.admin-input:hover {
  border-color: var(--color-navy);
  background-color: var(--color-white);
}

.admin-input:focus {
  outline: none;
  border-color: var(--color-amber);
  background-color: var(--color-white);
  box-shadow: var(--focus-ring);
}

/* ========================================
   Small Buttons for Tables
   ======================================== */

.button-small {
  min-height: 36px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.button-disabled {
  background: var(--color-cream);
  color: var(--color-slate-light);
  border-color: rgba(26, 35, 50, 0.1);
  cursor: not-allowed;
}

.button-disabled:hover {
  background: var(--color-cream);
  transform: none;
  box-shadow: none;
}

/* ========================================
   Pilot Detail Page
   ======================================== */

.pilot-info {
  font-size: var(--text-base);
  color: var(--color-slate);
  margin: var(--space-2) 0 0;
}

.pilot-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  border: 1px solid rgba(26, 35, 50, 0.08);
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-navy-deep);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pilot-admin-section {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid rgba(26, 35, 50, 0.08);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}

.pilot-admin-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(26, 35, 50, 0.1);
}

.pilot-admin-section p {
  color: var(--color-slate);
  margin: 0 0 var(--space-4);
}

.pilot-admin-section form {
  display: inline;
}

/* ========================================
   Admin Empty States
   ======================================== */

.admin-main .empty-state {
  max-width: none;
  margin: var(--space-8) 0;
  padding: var(--space-12);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px dashed rgba(26, 35, 50, 0.15);
  text-align: center;
}

.admin-main .empty-state p {
  font-size: var(--text-lg);
  color: var(--color-slate);
  margin: 0 0 var(--space-4);
}

.admin-main .empty-state p:last-child {
  margin-bottom: 0;
}

.admin-main .empty-state a {
  color: var(--color-navy);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.admin-main .empty-state a:hover {
  color: var(--color-amber-dark);
}

/* ========================================
   Subscription / Pricing Page
   ======================================== */


.subscription-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-4) var(--space-24);
}

/* Page Header */
.pricing-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.pricing-headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-navy-deep);
  margin: 0 0 var(--space-3) 0;
  letter-spacing: -0.01em;
}

.pricing-subheadline {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-slate);
  margin: 0;
  max-width: 480px;
  margin-inline: auto;
  line-height: 1.6;
}

/* Current Plan Banner */
.current-plan {
  background: var(--color-cream-warm);
  border: 1px solid var(--color-amber-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  text-align: center;
}

.current-plan h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin: 0 0 var(--space-3) 0;
}

.current-plan .plan-status,
.current-plan .plan-period {
  font-size: var(--text-sm);
  color: var(--color-slate);
  margin: 0 0 var(--space-2) 0;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: stretch;
}

/* Base Card */
.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-cream-warm);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Card Header */
.pricing-card-header {
  text-align: center;
  margin-bottom: var(--space-4);
}

.pricing-tier {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-navy);
  margin: 0 0 var(--space-1) 0;
}

.pricing-description {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-slate-light);
  margin: 0;
}

/* Price Display */
.pricing-price {
  text-align: center;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-cream-warm);
}

.price-currency {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-slate);
  vertical-align: super;
  line-height: 1;
}

.price-amount {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-navy-deep);
  line-height: 1;
}

.price-coming-soon {
  font-size: var(--text-lg);
  font-weight: 600;
  font-style: normal;
  letter-spacing: 0.02em;
}

.price-interval {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-slate-light);
}

/* Feature List */
.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
  flex-grow: 1;
}

.pricing-features li {
  padding: var(--space-1) 0;
  padding-left: var(--space-6);
  position: relative;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-slate);
  line-height: 1.6;
}

.pricing-features li::before {
  content: "\2713";
  position: absolute;
  left: var(--space-1);
  color: var(--color-success);
  font-weight: 700;
  font-size: var(--text-xs);
}

/* Coming Soon separator */
.pricing-features li.feature-separator {
  padding-left: 0;
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-slate-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: center;
}

.pricing-features li.feature-separator::before {
  content: none;
}

/* Coming Soon features — visually distinct */
.pricing-features li.feature-coming-soon {
  color: var(--color-slate-light);
}

.pricing-features li.feature-coming-soon::before {
  content: "\25CB";
  color: var(--color-slate-light);
  font-weight: 400;
}

.pricing-card-team .pricing-features li.feature-separator {
  color: rgba(255, 255, 255, 0.45);
}

.pricing-card-team .pricing-features li.feature-coming-soon {
  color: rgba(255, 255, 255, 0.45);
}

.pricing-card-team .pricing-features li.feature-coming-soon::before {
  color: rgba(255, 255, 255, 0.45);
}

/* CTA Area */
.pricing-action {
  text-align: center;
  margin-top: auto;
  min-height: 48px;
}

.pricing-action .button {
  width: 100%;
  justify-content: center;
}

/* Recommended Card - Pro */
.pricing-card-recommended {
  border: 2px solid var(--color-amber);
  box-shadow: 0 8px 32px rgba(212, 148, 58, 0.18);
  transform: scale(1.04);
  z-index: 1;
  padding-top: var(--space-12);
}

.pricing-card-recommended:hover {
  transform: scale(1.04) translateY(-3px);
  box-shadow: 0 12px 40px rgba(212, 148, 58, 0.25);
}

/* Badge */
.pricing-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-amber);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.pricing-badge-current {
  background: var(--color-success);
}

/* Current Plan State */
.pricing-card-current {
  border-color: var(--color-success);
}

/* Team Card */
.pricing-card-team {
  background: var(--color-navy-deep);
}

.pricing-card-team .pricing-tier {
  color: var(--color-white);
}

.pricing-card-team .pricing-description {
  color: var(--color-slate-light);
}

.pricing-card-team .pricing-price {
  border-bottom-color: var(--color-navy-light);
}

.pricing-card-team .price-amount {
  color: var(--color-white);
}

.pricing-card-team .price-currency {
  color: var(--color-amber-light);
}

.pricing-card-team .price-interval {
  color: var(--color-slate-light);
}

.pricing-card-team .pricing-features li {
  color: rgba(255, 255, 255, 0.8);
}

.pricing-card-team .pricing-features li::before {
  color: var(--color-amber-light);
}

/* Amber CTA button (Pro) */
.button-amber {
  background: var(--color-amber);
  color: var(--color-white);
  border-color: var(--color-amber);
}

.button-amber:hover {
  background: var(--color-amber-dark);
  border-color: var(--color-amber-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(212, 148, 58, 0.35);
}

.button-amber:active {
  transform: translateY(0);
}

/* Navy CTA button (Team) */
.button-navy {
  background: var(--color-white);
  color: var(--color-navy-deep);
  border-color: var(--color-white);
}

.button-navy:hover {
  background: var(--color-cream);
  border-color: var(--color-cream);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2);
}

.button-navy:active {
  transform: translateY(0);
}

/* Disabled button */
.button-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Responsive */
@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-inline: auto;
  }

  .pricing-card-recommended {
    transform: none;
  }

  .pricing-card-recommended:hover {
    transform: translateY(-3px);
  }

  .pricing-headline {
    font-size: var(--text-2xl);
  }
}