/* ========================================
   DESIGN TOKENS (Design System)
   ======================================== */
:root {
  /* Colors */
  --color-bg: #f6f7f9;
  --color-surface: #ffffff;
  --color-surface-secondary: #f9fafb;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  
  /* Primary colors */
  --color-primary: #16a34a;
  --color-primary-hover: #15803d;
  --color-primary-light: #dcfce7;
  
  /* Accent colors */
  --color-accent: #10b981;
  --color-accent-hover: #059669;
  
  /* Semantic colors */
  --color-error: #dc2626;
  --color-error-light: #fee2e2;
  --color-warning: #f59e0b;
  --color-success: #16a34a;
  --color-info: #3b82f6;
  
  /* Spacing (8px grid) */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  
  /* Border radius */
  --radius-sm: 0.5rem;   /* 8px */
  --radius-md: 0.75rem;  /* 12px */
  --radius-lg: 1rem;     /* 16px */
  --radius-xl: 1.25rem;  /* 20px */
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Typography */
  --font-family-base: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-size-base: 1rem;      /* 16px */
  --line-height-base: 1.6;
  --line-height-tight: 1.25;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Breakpoints (for reference in media queries) */
  /* sm: 640px, lg: 1024px */
}

/* ========================================
   BASE RESET & TYPOGRAPHY
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Headings Scale */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--space-4);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: 2.25rem;  /* 36px */
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.875rem;  /* 30px */
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;  /* 24px */
}

h4 {
  font-size: 1.25rem;  /* 20px */
}

h5 {
  font-size: 1.125rem;  /* 18px */
}

h6 {
  font-size: 1rem;  /* 16px */
}

/* Responsive heading sizes */
@media (max-width: 640px) {
  h1 { font-size: 1.75rem; }  /* 28px */
  h2 { font-size: 1.5rem; }   /* 24px */
  h3 { font-size: 1.25rem; }  /* 20px */
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Paragraphs */
p {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

/* ========================================
   LAYOUT - CONTAINER
   ======================================== */
.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 var(--space-4);  /* 16px */
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);  /* 24px */
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);  /* 32px */
  }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);  /* 12px 16px */
  min-height: 44px;  /* Touch target */
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 0.875rem;  /* 14px */
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Primary button - filled */
.btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-surface);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

/* Secondary button - outline */
.btn--secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--secondary:hover {
  background: var(--color-surface-secondary);
  border-color: var(--color-text-muted);
  color: var(--color-text);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn--secondary:active {
  transform: translateY(0);
}

/* Tertiary button - text/link style */
.btn--tertiary {
  background: transparent;
  border-color: transparent;
  color: var(--color-primary);
  padding: var(--space-2) var(--space-3);
}

.btn--tertiary:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
  text-decoration: none;
}

.btn--tertiary:active {
  background: var(--color-primary-light);
}

/* Backwards compatibility - map old classes to new system */
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-surface);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

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

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

/* ========================================
   CARDS
   ======================================== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-4);
  margin: var(--space-3) 0;
  transition: box-shadow var(--transition-base), transform var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card:focus-within {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ========================================
   BADGES
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);  /* 4px 12px */
  border-radius: var(--radius-full);
  font-size: 0.75rem;  /* 12px */
  font-weight: 600;
  line-height: 1.5;
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.badge--primary {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-hover);
}

.badge--success {
  background: #dcfce7;
  border-color: #22c55e;
  color: #15803d;
}

.badge--warning {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #d97706;
}

.badge--info {
  background: #dbeafe;
  border-color: #3b82f6;
  color: #1e40af;
}

/* ========================================
   FORM INPUTS
   ======================================== */
.input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="date"],
textarea {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);  /* 12px 16px */
  min-height: 44px;  /* Touch target */
  font-size: 1rem;  /* 16px - prevents zoom on iOS */
  font-family: var(--font-family-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input:hover,
input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
input[type="number"]:hover,
input[type="tel"]:hover,
input[type="url"]:hover,
input[type="search"]:hover,
input[type="date"]:hover,
textarea:hover {
  border-color: var(--color-text-muted);
}

.input:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
input[type="date"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

/* Select */
.select,
select {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);  /* 12px 16px */
  min-height: 44px;  /* Touch target */
  font-size: 1rem;  /* 16px */
  font-family: var(--font-family-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.select:hover,
select:hover {
  border-color: var(--color-text-muted);
}

.select:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Textarea */
textarea {
  min-height: 120px;
  resize: vertical;
}

/* Label */
label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: 0.875rem;  /* 14px */
  font-weight: 600;
  color: var(--color-text);
}

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

/* ========================================
   SITE LAYOUT
   ======================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--space-3) 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.brand {
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
}

.brand:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.brand:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.site-main {
  padding: var(--space-4) 0 var(--space-12);
  min-height: 60vh;
}

.site-footer {
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.8125rem;  /* 13px */
}

/* ========================================
   GRID LAYOUTS
   ======================================== */
/* Two column grid for content/sidebar */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) and (max-width: 859px) {
  .grid-2 {
    gap: var(--space-4);
  }
}

@media (min-width: 860px) {
  .grid-2 {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
    gap: var(--space-5);
  }
}

@media (max-width: 859px) {
  .grid-2 > div { grid-row: 1; }
  .grid-2 > aside { grid-row: 2; }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.muted {
  color: var(--color-text-muted);
  font-size: 0.8125rem;  /* 13px */
}

/* ========================================
   EXISTING COMPONENTS (updated with tokens)
   ======================================== */

/* Section titles */
.section-title {
  font-size: 1.125rem;  /* 18px */
  font-weight: 700;
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}

.hero-title {
  font-size: clamp(1.375rem, 2.8vw, 2.125rem);  /* 22px to 34px */
  line-height: var(--line-height-tight);
  font-weight: 800;
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}

/* Meta chips */
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-3);
}

.chip {
  display: inline-flex;
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-2) var(--space-3);  /* 8px 12px */
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  font-size: 0.875rem;  /* 14px */
  color: var(--color-text);
}

/* Button bar */
.btnbar {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

/* Card wide (for full-width items) */
.card-wide {
  grid-column: 1 / -1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  background: var(--color-surface-secondary);
}

/* Empty state */
.empty {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  background: var(--color-surface);
  color: var(--color-text-muted);
  text-align: center;
}

/* Hero Image */
.marathon-hero {
  height: 280px;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin: var(--space-3) 0 var(--space-4);
}

.marathon-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.marathon-hero:hover img {
  transform: scale(1.05);
}

@media (min-width: 640px) and (max-width: 859px) {
  .marathon-hero {
    height: 220px;
  }
}

/* Gallery */
.marathon-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-3);
}

.gallery-item img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.gallery-item img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 640px) and (max-width: 859px) {
  .marathon-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========================================
   MOBILE & RESPONSIVE ADJUSTMENTS
   ======================================== */
@media (max-width: 640px) {
  .card {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
  }

  .hero-title {
    font-size: 1.5rem;  /* 24px */
    line-height: 1.2;
  }

  .chip {
    font-size: 0.8125rem;  /* 13px */
    padding: var(--space-2) var(--space-3);
  }

  .btnbar {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .marathon-hero {
    height: 180px;
    border-radius: var(--radius-md);
  }

  .marathon-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .gallery-item img {
    height: 120px;
  }
}

/* Tablet optimizations */
@media (min-width: 641px) and (max-width: 859px) {
  .card {
    padding: var(--space-4);
  }

  .hero-title {
    font-size: 1.875rem;  /* 30px */
  }

  .btnbar {
    display: flex;
    flex-wrap: wrap;
  }

  .btn {
    flex: 1;
    min-width: 140px;
  }
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-actions {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

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

.auth-user {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Desktop auth visible on larger screens */
.auth-desktop {
  display: none;
}

@media (min-width: 640px) {
  .auth-desktop {
    display: flex;
  }
}

/* Mobile auth only in menu panel */
.auth-mobile {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

/* Menu toggle */
.menu-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* Menu button */
.menu-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3);
  min-height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.menu-button:hover {
  background: var(--color-surface-secondary);
  transform: translateY(-1px);
}

.menu-button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Panel and backdrop hidden by default */
.menu-panel,
.menu-backdrop {
  display: none;
}

/* Backdrop */
.menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 999;
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Menu panel */
.menu-panel {
  position: fixed;
  top: 70px;
  right: var(--space-4);
  width: min(420px, calc(100vw - var(--space-8)));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  overflow: hidden;
  animation: slideIn var(--transition-base);
}

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

.menu-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
}

.menu-panel-body {
  padding: var(--space-3);
  max-height: 70vh;
  overflow-y: auto;
}

.menu-close {
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-weight: 700;
  font-size: 1rem;
  transition: background var(--transition-fast);
}

.menu-close:hover {
  background: var(--color-surface-secondary);
}

.menu-close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Show panel and backdrop when toggle is checked */
.menu-toggle:checked ~ .menu-panel {
  display: block;
}

.menu-toggle:checked ~ .menu-backdrop {
  display: block;
}

/* ========================================
   FOOTER
   ======================================== */
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-text);
  text-decoration: underline;
}

.footer-nav a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ========================================
   FLIGHT CARDS
   ======================================== */
.flight-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-3);
  display: grid;
  grid-template-columns: 1fr 220px;
  grid-template-rows: auto 1fr;
  gap: var(--space-3);
  transition: box-shadow var(--transition-base), transform var(--transition-fast);
}

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

@media (min-width: 600px) and (max-width: 719px) {
  .flight-card {
    grid-template-columns: 1fr 200px;
  }
}

.flight-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.flight-main {
  display: grid;
  gap: var(--space-3);
}

.flight-leg-title {
  font-weight: 700;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.flight-leg-line {
  font-size: 0.9375rem;  /* 15px */
  font-weight: 600;
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  color: var(--color-text);
}

.flight-leg-sub {
  font-size: 0.8125rem;  /* 13px */
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.flight-leg-airline {
  font-size: 0.8125rem;  /* 13px */
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  font-style: italic;
}

.flight-price {
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: center;
  align-items: flex-start;
}

.flight-price-value {
  font-size: 1.625rem;  /* 26px */
  font-weight: 800;
  color: var(--color-text);
}

.flight-price-sub {
  font-size: 0.8125rem;  /* 13px */
  color: var(--color-text-muted);
}

.flight-price-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
}

/* Mobile flight card layout */
@media (max-width: 720px) {
  .flight-card {
    grid-template-columns: 1fr;
  }
  
  .flight-price {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-left: 0;
    padding-top: var(--space-3);
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  .badge {
    margin-left: 0;
  }
}

.flight-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.flight-details summary {
  cursor: pointer;
  margin-top: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.flight-details summary:hover {
  background: var(--color-surface-secondary);
}

.flight-details summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.flight-more {
  grid-column: 1 / -1;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}

.flight-more-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .flight-more-grid {
    grid-template-columns: 1fr 1fr 320px;
  }
}

.flight-more-title {
  font-weight: 800;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.legs {
  margin-top: var(--space-2);
  display: grid;
  gap: var(--space-2);
}

.leg-row {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.leg-idx {
  font-weight: 800;
  color: var(--color-text-muted);
}

/* ========================================
   MODAL
   ======================================== */
.fp-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  z-index: 10001;
}

.fp-modal {
  position: absolute;
  inset: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 10002;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.fp-modal__header {
  padding: var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.fp-modal__title {
  font-weight: 800;
  color: var(--color-text);
}

.fp-modal__subtitle {
  font-size: 0.75rem;  /* 12px */
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.fp-modal__close {
  border: 0;
  background: transparent;
  font-size: 1.125rem;  /* 18px */
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.fp-modal__close:hover {
  background: var(--color-surface-secondary);
}

.fp-modal__close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.fp-modal__body {
  padding: var(--space-3) var(--space-3);
  overflow: auto;
}

/* ========================================
   ACCESSIBILITY & FOCUS STATES
   ======================================== */
/* Ensure all interactive elements have visible focus */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Remove default focus for mouse users (but keep for keyboard) */
button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}

/* ========================================
   TRAVEL OPTIONS PANEL - REISEOPTIONEN
   Enhanced UX for Desktop & Mobile
   ======================================== */

/* Mobile auth section */
.auth-mobile__user {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: var(--line-height-base);
  margin-bottom: var(--space-3);
}

.auth-mobile__btn {
  margin-bottom: var(--space-3);
}

/* Travel Options Form */
.travel-options-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.travel-options-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

/* Form fields */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field__label {
  display: block;
  font-size: 0.75rem;  /* 12px */
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.form-field__input,
.form-field__select {
  width: 100%;
  padding: var(--space-3) var(--space-4);  /* 12px 16px */
  min-height: 44px;  /* Touch target */
  font-size: 1rem;  /* 16px - prevents zoom on iOS */
  font-family: var(--font-family-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field__input:hover,
.form-field__select:hover {
  border-color: var(--color-text-muted);
}

.form-field__input:focus,
.form-field__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-field__hint {
  font-size: 0.75rem;  /* 12px */
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Error message */
.travel-options-form__error {
  padding: var(--space-3);
  background: var(--color-error-light);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  color: var(--color-error);
  font-size: 0.875rem;
}

/* Action buttons container */
.travel-options-form__actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.travel-options-form__submit {
  flex: 1;
}

/* ========================================
   RESPONSIVE PANEL BEHAVIOR
   Desktop: Right Sidebar / Drawer
   Mobile: Bottom Sheet
   ======================================== */

/* Desktop (>640px) - Override default dropdown to be a right sidebar/drawer */
@media (min-width: 641px) {
  /* Override panel to be a full-height sidebar */
  .menu-toggle:checked ~ .menu-panel {
    display: flex; /* Changed from block to flex for layout */
  }
  
  .menu-panel {
    /* Override position from top: 70px to full height sidebar */
    top: 0;
    right: 0;
    bottom: 0;
    width: min(420px, 40vw);
    max-width: 480px;
    height: 100vh;
    border-left: 1px solid var(--color-border);
    border-right: none;
    border-top: none;
    border-bottom: none;
    border-radius: 0;  /* No border radius for full-height sidebar */
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
    flex-direction: column;
    animation: slideInRight var(--transition-base);
  }

  @keyframes slideInRight {
    from {
      opacity: 0;
      transform: translateX(100%);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  .menu-panel-head {
    flex-shrink: 0;
    padding: var(--space-4) var(--space-4);
  }

  .menu-panel-body {
    flex: 1;
    max-height: none; /* Override the 70vh limit */
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-4);
    /* Custom scrollbar for better UX */
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
  }

  .menu-panel-body::-webkit-scrollbar {
    width: 8px;
  }

  .menu-panel-body::-webkit-scrollbar-track {
    background: transparent;
  }

  .menu-panel-body::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: var(--radius-full);
  }

  .menu-panel-body::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-text-muted);
  }

  /* Backdrop: keep existing color but ensure it shows */
  .menu-backdrop {
    background: rgba(0, 0, 0, 0.35); /* Keep consistent with base */
  }

  /* Form actions stay at bottom but not sticky on desktop */
  .travel-options-form__actions {
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
  }
}

/* Mobile (≤640px) - Override default dropdown to be a bottom sheet */
@media (max-width: 640px) {
  /* Override panel display when checked */
  .menu-toggle:checked ~ .menu-panel {
    display: flex; /* Changed from block to flex for layout */
  }
  
  .menu-panel {
    /* Override position from top: 70px to bottom sheet */
    top: auto;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: 90vh;
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
    border: none;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
    flex-direction: column;
    animation: slideUpMobile var(--transition-base);
  }

  @keyframes slideUpMobile {
    from {
      opacity: 0;
      transform: translateY(100%);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .menu-panel-head {
    flex-shrink: 0;
    padding: var(--space-4) var(--space-4) var(--space-3);
    position: relative;
  }

  /* Bottom sheet handle indicator */
  .menu-panel-head::before {
    content: '';
    position: absolute;
    top: var(--space-2);
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
  }

  .menu-panel-body {
    flex: 1;
    max-height: none; /* Override the 70vh limit */
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-4);
    padding-bottom: calc(var(--space-16) + var(--space-4));  /* Extra space for sticky actions */
    -webkit-overflow-scrolling: touch;
  }

  /* Backdrop: slightly darker on mobile for better contrast */
  .menu-backdrop {
    background: rgba(0, 0, 0, 0.4);
  }

  /* Sticky action bar at bottom on mobile */
  .travel-options-form__actions {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
    margin: 0 calc(-1 * var(--space-4));
    margin-top: var(--space-4);
    z-index: 10;
  }

  /* Full width primary button on mobile */
  .travel-options-form__submit {
    width: 100%;
  }

  /* Stack form row on mobile */
  .travel-options-form__row {
    grid-template-columns: 1fr;
  }
}

/* ── Flight Details Panel (fd-*) ── */
.flight-card {
  cursor: pointer;
}

.flight-card[aria-expanded="true"] .flight-more {
  display: block;
}

.fd-segment {
  margin-bottom: var(--space-3);
}

.fd-segment-title {
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: var(--space-2);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-1);
}

.fd-leg {
  background: var(--color-surface-secondary, #f9fafb);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
}

.fd-leg-airline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
}

.fd-airline-logo {
  width: 28px;
  height: 20px;
  object-fit: contain;
}

.fd-disclosure {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.fd-leg-route {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.fd-leg-time-block {
  flex: 1;
}

.fd-time {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.fd-time sup {
  font-size: 0.6875rem;
  color: var(--color-primary, #2563eb);
  font-weight: 600;
}

.fd-airport {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.fd-leg-arrow {
  padding-top: 4px;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.fd-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.fd-muted {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.fd-layover {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3);
  margin-bottom: var(--space-1);
  border-left: 3px solid var(--color-border);
}

.fd-layover--short {
  border-left-color: #f59e0b;
  color: #92400e;
  background: #fef3c7;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.fd-baggage {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-secondary, #f9fafb);
  border-radius: var(--radius-sm);
}

.fd-vi-warning {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: #92400e;
}

.fd-fare-rules {
  margin-top: var(--space-2);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}