/* ============================================
   COASTLINE FLIGHTS - Main Stylesheet
   Brand: Coastline Travel Group
   ============================================ */

/* ============================================
   CSS Variables - Coastline Brand Colors
   ============================================ */
:root {
    /* Coastline Brand Colors (from Brand Book) */
    --cl-primary: #192026;
    --cl-secondary: #2c465d;
    --cl-accent: #07789c;
    --cl-accent-hover: #065a75;
    --cl-accent-light: #bee3f5;
    --cl-black: #000000;

    /* Background Colors */
    --cl-bg-dark: #192026;
    --cl-bg-medium: #2c465d;
    --cl-bg-light: #f8f9fa;
    --cl-bg-white: #ffffff;
    --cl-bg-accent-light: #e8f4f8;

    /* Text Colors */
    --cl-text-primary: #192026;
    --cl-text-secondary: #5f6368;
    --cl-text-tertiary: #70757a;
    --cl-text-light: #ffffff;
    --cl-text-accent: #07789c;

    /* Border Colors */
    --cl-border: #dadce0;
    --cl-border-light: #e8eaed;
    --cl-border-focus: #07789c;

    /* Status Colors */
    --cl-success: #137333;
    --cl-success-light: #e6f4ea;
    --cl-warning: #f9ab00;
    --cl-danger: #d93025;

    /* Typography */
    --cl-font-family: 'Amiko', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --cl-font-size-xs: 0.75rem;
    --cl-font-size-sm: 0.875rem;
    --cl-font-size-base: 1rem;
    --cl-font-size-lg: 1.125rem;
    --cl-font-size-xl: 1.25rem;
    --cl-font-size-2xl: 1.5rem;
    --cl-font-size-3xl: 2rem;

    /* Spacing */
    --cl-space-xs: 0.25rem;
    --cl-space-sm: 0.5rem;
    --cl-space-md: 1rem;
    --cl-space-lg: 1.5rem;
    --cl-space-xl: 2rem;
    --cl-space-2xl: 3rem;

    /* Border Radius */
    --cl-radius-sm: 4px;
    --cl-radius-md: 8px;
    --cl-radius-lg: 12px;
    --cl-radius-xl: 16px;
    --cl-radius-full: 9999px;

    /* Shadows */
    --cl-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --cl-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --cl-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --cl-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --cl-shadow-card: 0 1px 3px rgba(60, 64, 67, 0.3);
    --cl-shadow-card-hover: 0 4px 8px rgba(60, 64, 67, 0.3);

    /* Transitions */
    --cl-transition-fast: 150ms ease;
    --cl-transition-normal: 250ms ease;
    --cl-transition-slow: 350ms ease;
}

/* ============================================
   Base Styles
   ============================================ */
* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--cl-font-family);
    font-size: var(--cl-font-size-base);
    line-height: 1.5;
    color: var(--cl-text-primary);
    background-color: var(--cl-bg-light);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--cl-font-family);
    font-weight: 700;
    margin-bottom: var(--cl-space-md);
    color: var(--cl-text-primary);
}

.page-title {
    font-size: var(--cl-font-size-3xl);
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--cl-space-lg);
}

.section-title {
    font-size: var(--cl-font-size-lg);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   Mobile Header
   ============================================ */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: linear-gradient(135deg, var(--cl-accent) 0%, var(--cl-primary) 100%);
    z-index: 1030;
    box-shadow: var(--cl-shadow-md);
}

.mobile-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--cl-space-md);
}

.mobile-logo {
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cl-text-light);
    letter-spacing: -0.5px;
}

.logo-text-dark {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cl-accent);
    letter-spacing: -0.5px;
}

.logo-text-dark small {
    display: block;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--cl-text-secondary);
    margin-top: -4px;
}

.mobile-menu-btn {
    background: transparent;
    border: none;
    color: var(--cl-text-light);
    font-size: 1.75rem;
    padding: var(--cl-space-sm);
    cursor: pointer;
}

/* ============================================
   Desktop Header
   ============================================ */
.desktop-header {
    background: var(--cl-bg-white);
    border-bottom: 1px solid var(--cl-border);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.desktop-header .navbar {
    padding: var(--cl-space-md) 0;
}

.desktop-header .navbar-brand {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cl-accent);
}

.desktop-header .nav-link {
    color: var(--cl-text-primary);
    font-weight: 500;
    padding: var(--cl-space-sm) var(--cl-space-md);
    transition: color var(--cl-transition-fast);
}

.desktop-header .nav-link:hover {
    color: var(--cl-accent);
}

.nav-divider {
    width: 1px;
    height: 24px;
    background: var(--cl-border);
    margin: 0 var(--cl-space-md);
    align-self: center;
}

.btn-signin {
    background: var(--cl-accent-light);
    border-radius: var(--cl-radius-full);
    color: var(--cl-accent) !important;
}

.btn-signin:hover {
    background: var(--cl-accent);
    color: var(--cl-text-light) !important;
}

/* ============================================
   Mobile Offcanvas Menu
   ============================================ */
.mobile-menu {
    background: linear-gradient(180deg, var(--cl-accent) 0%, var(--cl-primary) 100%);
    width: 280px;
}

.mobile-menu .offcanvas-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--cl-space-lg);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--cl-space-xs);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--cl-space-md);
    padding: var(--cl-space-md) var(--cl-space-lg);
    color: var(--cl-text-light);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--cl-radius-md);
    transition: background var(--cl-transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--cl-text-light);
}

.mobile-nav-link i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.mobile-nav-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: var(--cl-space-md) var(--cl-space-lg);
}

/* ============================================
   Main Content
   ============================================ */
main {
    min-height: calc(100vh - 200px);
}

/* Mobile padding for fixed header */
@media (max-width: 991.98px) {
    main {
        padding-top: 56px;
    }
}

/* ============================================
   Hero Section (Search Page)
   ============================================ */
.hero-section {
    background: linear-gradient(135deg, var(--cl-secondary) 0%, var(--cl-primary) 100%);
    padding: var(--cl-space-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('/images/flights-illustration.svg') no-repeat center right;
    background-size: contain;
    opacity: 0.3;
}

.hero-title {
    color: var(--cl-text-light);
    font-size: var(--cl-font-size-3xl);
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--cl-space-xl);
}

/* ============================================
   Search Form
   ============================================ */
.search-card {
    background: var(--cl-bg-white);
    border-radius: var(--cl-radius-lg);
    box-shadow: var(--cl-shadow-lg);
    padding: var(--cl-space-lg);
    margin: 0 auto;
    max-width: 900px;
}

.search-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--cl-space-md);
    margin-bottom: var(--cl-space-lg);
    padding-bottom: var(--cl-space-md);
    border-bottom: 1px solid var(--cl-border-light);
}

.search-option {
    display: flex;
    align-items: center;
    gap: var(--cl-space-sm);
    padding: var(--cl-space-sm) var(--cl-space-md);
    background: transparent;
    border: 1px solid var(--cl-border);
    border-radius: var(--cl-radius-full);
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-primary);
    cursor: pointer;
    transition: all var(--cl-transition-fast);
    font-family: var(--cl-font-family);
}

.search-option:hover {
    border-color: var(--cl-accent);
    color: var(--cl-accent);
}

.search-option.active {
    background: var(--cl-accent-light);
    border-color: var(--cl-accent);
    color: var(--cl-accent);
}

.search-option i {
    font-size: 1rem;
}

.search-fields {
    display: flex;
    flex-direction: column;
    gap: var(--cl-space-md);
}

@media (min-width: 768px) {
    .search-fields {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-end;
    }

    .search-field-group {
        flex: 1;
        min-width: 200px;
    }

    .search-field-locations {
        flex: 2;
    }
}

.search-field {
    position: relative;
}

.search-field label {
    display: block;
    font-size: var(--cl-font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cl-text-secondary);
    margin-bottom: var(--cl-space-xs);
}

.search-input {
    width: 100%;
    padding: var(--cl-space-md);
    border: 1px solid var(--cl-border);
    border-radius: var(--cl-radius-md);
    font-size: var(--cl-font-size-base);
    font-family: var(--cl-font-family);
    color: var(--cl-text-primary);
    transition: border-color var(--cl-transition-fast), box-shadow var(--cl-transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--cl-accent);
    box-shadow: 0 0 0 3px rgba(7, 120, 156, 0.1);
}

.search-input::placeholder {
    color: var(--cl-text-tertiary);
}

/* Location fields with swap button */
.location-fields {
    display: flex;
    align-items: flex-end;
    gap: var(--cl-space-sm);
}

.location-fields .search-field {
    flex: 1;
}

.swap-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 4px;
    background: var(--cl-bg-light);
    border: 1px solid var(--cl-border);
    border-radius: 50%;
    color: var(--cl-text-secondary);
    cursor: pointer;
    transition: all var(--cl-transition-fast);
}

.swap-btn:hover {
    background: var(--cl-accent-light);
    border-color: var(--cl-accent);
    color: var(--cl-accent);
}

/* Date fields */
.date-fields {
    display: flex;
    gap: var(--cl-space-sm);
}

.date-fields .search-field {
    flex: 1;
}

.date-nav {
    display: flex;
    align-items: center;
    gap: var(--cl-space-xs);
}

.date-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--cl-border);
    border-radius: 50%;
    color: var(--cl-text-secondary);
    cursor: pointer;
    transition: all var(--cl-transition-fast);
}

.date-nav-btn:hover {
    border-color: var(--cl-accent);
    color: var(--cl-accent);
}

/* Search button */
.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--cl-space-sm);
    width: 100%;
    padding: var(--cl-space-md) var(--cl-space-xl);
    background: var(--cl-accent);
    color: var(--cl-text-light);
    border: none;
    border-radius: var(--cl-radius-full);
    font-size: var(--cl-font-size-base);
    font-weight: 600;
    font-family: var(--cl-font-family);
    cursor: pointer;
    transition: background var(--cl-transition-fast);
    margin-top: var(--cl-space-md);
}

.search-btn:hover {
    background: var(--cl-accent-hover);
}

@media (min-width: 768px) {
    .search-btn {
        width: auto;
        margin-top: 0;
        margin-left: auto;
    }
}

/* ============================================
   Flight Results
   ============================================ */
.results-header {
    background: var(--cl-bg-white);
    border-bottom: 1px solid var(--cl-border);
    padding: var(--cl-space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

@media (max-width: 991.98px) {
    .results-header {
        top: 56px;
    }
}

.results-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--cl-space-md);
}

.results-route {
    font-size: var(--cl-font-size-lg);
    font-weight: 600;
}

.results-meta {
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-secondary);
}

/* Filter chips */
.filter-chips {
    display: flex;
    gap: var(--cl-space-sm);
    overflow-x: auto;
    padding: var(--cl-space-md) 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar {
    display: none;
}

.filter-chip {
    display: flex;
    align-items: center;
    gap: var(--cl-space-xs);
    padding: var(--cl-space-sm) var(--cl-space-md);
    background: var(--cl-bg-white);
    border: 1px solid var(--cl-border);
    border-radius: var(--cl-radius-full);
    font-size: var(--cl-font-size-sm);
    font-family: var(--cl-font-family);
    color: var(--cl-text-primary);
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--cl-transition-fast);
}

.filter-chip:hover {
    border-color: var(--cl-accent);
}

.filter-chip.active {
    background: var(--cl-accent-light);
    border-color: var(--cl-accent);
    color: var(--cl-accent);
}

.filter-chip i {
    font-size: 0.875rem;
}

/* Sort tabs */
.sort-tabs {
    display: flex;
    gap: var(--cl-space-xs);
    background: var(--cl-bg-light);
    border-radius: var(--cl-radius-full);
    padding: 4px;
    width: fit-content;
}

.sort-tab {
    padding: var(--cl-space-sm) var(--cl-space-lg);
    background: transparent;
    border: none;
    border-radius: var(--cl-radius-full);
    font-size: var(--cl-font-size-sm);
    font-weight: 500;
    font-family: var(--cl-font-family);
    color: var(--cl-text-secondary);
    cursor: pointer;
    transition: all var(--cl-transition-fast);
}

.sort-tab:hover {
    color: var(--cl-text-primary);
}

.sort-tab.active {
    background: var(--cl-bg-white);
    color: var(--cl-text-primary);
    box-shadow: var(--cl-shadow-sm);
}

.sort-price {
    font-size: var(--cl-font-size-xs);
    color: var(--cl-text-tertiary);
    margin-left: var(--cl-space-xs);
}

/* ============================================
   Flight Cards
   ============================================ */
.flights-list {
    display: flex;
    flex-direction: column;
    gap: var(--cl-space-md);
    padding: var(--cl-space-lg) 0;
}

.flight-card {
    background: var(--cl-bg-white);
    border-radius: var(--cl-radius-lg);
    box-shadow: var(--cl-shadow-card);
    overflow: hidden;
    transition: box-shadow var(--cl-transition-fast);
}

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

.flight-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: var(--cl-space-lg);
    gap: var(--cl-space-md);
}

.flight-main {
    flex: 1;
}

.flight-date {
    font-size: var(--cl-font-size-sm);
    font-weight: 600;
    color: var(--cl-text-secondary);
    margin-bottom: var(--cl-space-sm);
}

.flight-times {
    display: flex;
    align-items: center;
    gap: var(--cl-space-md);
    margin-bottom: var(--cl-space-sm);
}

.flight-time {
    font-size: var(--cl-font-size-xl);
    font-weight: 600;
}

.flight-duration {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    font-size: var(--cl-font-size-xs);
    color: var(--cl-text-tertiary);
}

.flight-duration-line {
    width: 100%;
    height: 2px;
    background: var(--cl-border);
    position: relative;
    margin: 4px 0;
}

.flight-duration-line::before {
    content: '';
    position: absolute;
    right: 0;
    top: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--cl-border);
    border-top: 2px solid var(--cl-border);
    transform: rotate(45deg);
}

.flight-stops {
    font-size: var(--cl-font-size-xs);
    color: var(--cl-text-secondary);
}

.flight-stops.nonstop {
    color: var(--cl-success);
}

.flight-route {
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-secondary);
}

.flight-airline {
    display: flex;
    align-items: center;
    gap: var(--cl-space-sm);
    margin-top: var(--cl-space-sm);
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-tertiary);
}

.airline-logo {
    width: 24px;
    height: 24px;
    border-radius: var(--cl-radius-sm);
    object-fit: contain;
    background: var(--cl-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--cl-text-secondary);
}

.flight-aside {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--cl-space-xs);
}

.flight-emissions {
    font-size: var(--cl-font-size-xs);
    color: var(--cl-text-tertiary);
}

.flight-emissions.low {
    color: var(--cl-success);
}

.flight-price {
    font-size: var(--cl-font-size-xl);
    font-weight: 700;
    color: var(--cl-text-primary);
}

.flight-price-type {
    font-size: var(--cl-font-size-xs);
    color: var(--cl-text-tertiary);
}

.flight-expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--cl-bg-light);
    border: none;
    border-radius: 50%;
    color: var(--cl-text-secondary);
    cursor: pointer;
    transition: all var(--cl-transition-fast);
}

.flight-expand-btn:hover {
    background: var(--cl-accent-light);
    color: var(--cl-accent);
}

.flight-expand-btn i {
    transition: transform var(--cl-transition-fast);
}

.flight-card.expanded .flight-expand-btn i {
    transform: rotate(180deg);
}

/* Flight details (expanded) */
.flight-details {
    display: none;
    padding: 0 var(--cl-space-lg) var(--cl-space-lg);
    border-top: 1px solid var(--cl-border-light);
}

.flight-card.expanded .flight-details {
    display: block;
}

.flight-leg {
    padding: var(--cl-space-md) 0;
}

.flight-leg + .flight-leg {
    border-top: 1px dashed var(--cl-border);
}

.leg-header {
    display: flex;
    align-items: center;
    gap: var(--cl-space-md);
    margin-bottom: var(--cl-space-md);
}

.leg-airline-logo {
    width: 32px;
    height: 32px;
    background: var(--cl-bg-light);
    border-radius: var(--cl-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--cl-text-secondary);
}

.leg-airline-info {
    flex: 1;
}

.leg-airline-name {
    font-weight: 600;
}

.leg-flight-number {
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-secondary);
}

.leg-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--cl-space-md);
    padding-left: var(--cl-space-xl);
}

.leg-point {
    display: flex;
    gap: var(--cl-space-md);
}

.leg-point-time {
    font-weight: 600;
    min-width: 70px;
}

.leg-point-airport {
    color: var(--cl-text-secondary);
}

.leg-connector {
    display: flex;
    align-items: center;
    gap: var(--cl-space-sm);
    padding-left: var(--cl-space-xl);
    color: var(--cl-text-tertiary);
    font-size: var(--cl-font-size-sm);
}

.leg-connector-line {
    width: 2px;
    height: 30px;
    background: var(--cl-border);
}

.layover-info {
    display: flex;
    align-items: center;
    gap: var(--cl-space-sm);
    padding: var(--cl-space-md);
    background: var(--cl-bg-light);
    border-radius: var(--cl-radius-md);
    margin: var(--cl-space-md) 0;
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-secondary);
}

.layover-info i {
    color: var(--cl-warning);
}

.flight-amenities {
    display: flex;
    flex-wrap: wrap;
    gap: var(--cl-space-sm);
    margin-top: var(--cl-space-md);
}

.amenity-tag {
    display: flex;
    align-items: center;
    gap: var(--cl-space-xs);
    padding: var(--cl-space-xs) var(--cl-space-sm);
    background: var(--cl-bg-light);
    border-radius: var(--cl-radius-sm);
    font-size: var(--cl-font-size-xs);
    color: var(--cl-text-secondary);
}

/* ============================================
   Flight Details Page (Booking)
   ============================================ */
.details-header {
    background: linear-gradient(135deg, var(--cl-secondary) 0%, var(--cl-primary) 100%);
    padding: var(--cl-space-xl) 0;
    color: var(--cl-text-light);
}

.details-route {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--cl-space-md);
    font-size: var(--cl-font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--cl-space-sm);
}

.details-route i {
    font-size: 1rem;
    opacity: 0.7;
}

.details-meta {
    text-align: center;
    font-size: var(--cl-font-size-sm);
    opacity: 0.9;
}

.details-price {
    text-align: center;
    margin-top: var(--cl-space-md);
}

.details-price-amount {
    font-size: var(--cl-font-size-3xl);
    font-weight: 700;
}

.details-price-label {
    font-size: var(--cl-font-size-sm);
    opacity: 0.8;
}

/* Selected flights section */
.selected-flights {
    background: var(--cl-bg-white);
    border-radius: var(--cl-radius-lg);
    box-shadow: var(--cl-shadow-card);
    margin-bottom: var(--cl-space-lg);
    overflow: hidden;
}

.selected-flights-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--cl-space-lg);
    border-bottom: 1px solid var(--cl-border-light);
}

.selected-flights-title {
    font-size: var(--cl-font-size-lg);
    font-weight: 600;
    margin: 0;
}

.track-prices-btn {
    display: flex;
    align-items: center;
    gap: var(--cl-space-xs);
    padding: var(--cl-space-sm) var(--cl-space-md);
    background: transparent;
    border: 1px solid var(--cl-accent);
    border-radius: var(--cl-radius-full);
    color: var(--cl-accent);
    font-size: var(--cl-font-size-sm);
    font-family: var(--cl-font-family);
    cursor: pointer;
    transition: all var(--cl-transition-fast);
}

.track-prices-btn:hover {
    background: var(--cl-accent);
    color: var(--cl-text-light);
}

.selected-flight {
    padding: var(--cl-space-lg);
    border-bottom: 1px solid var(--cl-border-light);
}

.selected-flight:last-child {
    border-bottom: none;
}

.selected-flight-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--cl-space-md);
}

.selected-flight-info {
    display: flex;
    align-items: center;
    gap: var(--cl-space-lg);
    flex-wrap: wrap;
}

.selected-flight-times {
    font-size: var(--cl-font-size-lg);
    font-weight: 600;
}

.selected-flight-meta {
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-secondary);
}

.selected-flight-emissions {
    font-size: var(--cl-font-size-sm);
}

.emissions-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--cl-space-xs);
    padding: var(--cl-space-xs) var(--cl-space-sm);
    border-radius: var(--cl-radius-sm);
    font-size: var(--cl-font-size-xs);
}

.emissions-badge.low {
    background: var(--cl-success-light);
    color: var(--cl-success);
}

.emissions-badge.high {
    background: #fce8e6;
    color: var(--cl-danger);
}

/* Fare comparison */
.fare-options {
    background: var(--cl-bg-white);
    border-radius: var(--cl-radius-lg);
    box-shadow: var(--cl-shadow-card);
    overflow: hidden;
}

.fare-options-header {
    padding: var(--cl-space-lg);
    border-bottom: 1px solid var(--cl-border-light);
}

.fare-options-title {
    font-size: var(--cl-font-size-lg);
    font-weight: 600;
    margin: 0;
}

.fare-options-subtitle {
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-secondary);
    margin-top: var(--cl-space-xs);
}

.fare-airline {
    display: flex;
    align-items: center;
    gap: var(--cl-space-md);
    padding: var(--cl-space-md) var(--cl-space-lg);
    background: var(--cl-bg-light);
    border-bottom: 1px solid var(--cl-border-light);
}

.fare-airline-logo {
    width: 40px;
    height: 40px;
    background: var(--cl-bg-white);
    border-radius: var(--cl-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cl-text-secondary);
}

.fare-airline-name {
    font-weight: 600;
}

.fare-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--cl-border-light);
}

.fare-card {
    background: var(--cl-bg-white);
    padding: var(--cl-space-lg);
    display: flex;
    flex-direction: column;
}

.fare-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--cl-space-md);
    padding-bottom: var(--cl-space-md);
    border-bottom: 3px solid var(--cl-border);
}

.fare-card.saver .fare-card-header {
    border-bottom-color: var(--cl-text-tertiary);
}

.fare-card.main .fare-card-header {
    border-bottom-color: var(--cl-accent);
}

.fare-card.first .fare-card-header {
    border-bottom-color: #d4af37;
}

.fare-name {
    font-weight: 700;
    font-size: var(--cl-font-size-lg);
}

.fare-price {
    font-weight: 700;
    font-size: var(--cl-font-size-xl);
}

.fare-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--cl-space-sm);
    margin-bottom: var(--cl-space-lg);
}

.fare-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--cl-space-sm);
    font-size: var(--cl-font-size-sm);
}

.fare-feature i {
    font-size: 1rem;
    margin-top: 2px;
}

.fare-feature i.bi-check-lg {
    color: var(--cl-success);
}

.fare-feature i.bi-x-lg {
    color: var(--cl-danger);
}

.fare-feature i.bi-dash {
    color: var(--cl-text-tertiary);
}

.fare-btn {
    width: 100%;
    padding: var(--cl-space-md);
    border: 2px solid var(--cl-accent);
    border-radius: var(--cl-radius-md);
    background: transparent;
    color: var(--cl-accent);
    font-weight: 600;
    font-family: var(--cl-font-family);
    cursor: pointer;
    transition: all var(--cl-transition-fast);
}

.fare-btn:hover {
    background: var(--cl-accent);
    color: var(--cl-text-light);
}

.fare-card.main .fare-btn {
    background: var(--cl-accent);
    color: var(--cl-text-light);
}

.fare-card.main .fare-btn:hover {
    background: var(--cl-accent-hover);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--cl-bg-dark);
    color: var(--cl-text-light);
    padding: var(--cl-space-2xl) 0 var(--cl-space-lg);
    margin-top: var(--cl-space-2xl);
    position: relative;
}

.footer-wave {
    position: absolute;
    top: -30px;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to right, var(--cl-accent-light), var(--cl-accent), var(--cl-secondary));
    border-radius: 100% 100% 0 0 / 100% 100% 0 0;
}

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

.footer-brand {
    margin-bottom: var(--cl-space-lg);
}

.footer-logo {
    font-size: var(--cl-font-size-2xl);
    font-weight: 700;
    display: block;
}

.footer-tagline {
    font-size: var(--cl-font-size-xs);
    letter-spacing: 2px;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--cl-space-lg);
    margin-bottom: var(--cl-space-lg);
}

.footer-links a {
    color: var(--cl-text-light);
    text-decoration: none;
    font-size: var(--cl-font-size-sm);
    opacity: 0.8;
    transition: opacity var(--cl-transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-copyright {
    font-size: var(--cl-font-size-xs);
    opacity: 0.6;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-accent {
    color: var(--cl-accent);
}

.bg-accent-light {
    background-color: var(--cl-accent-light);
}

.btn-primary {
    background: var(--cl-accent);
    border-color: var(--cl-accent);
}

.btn-primary:hover {
    background: var(--cl-accent-hover);
    border-color: var(--cl-accent-hover);
}

.btn-outline-primary {
    color: var(--cl-accent);
    border-color: var(--cl-accent);
}

.btn-outline-primary:hover {
    background: var(--cl-accent);
    border-color: var(--cl-accent);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 767.98px) {
    .hero-section {
        padding: var(--cl-space-xl) var(--cl-space-md);
    }

    .hero-title {
        font-size: var(--cl-font-size-2xl);
    }

    .search-card {
        padding: var(--cl-space-md);
        margin: 0 var(--cl-space-sm);
        border-radius: var(--cl-radius-md);
    }

    .flight-card-header {
        flex-direction: column;
    }

    .flight-aside {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding-top: var(--cl-space-md);
        border-top: 1px solid var(--cl-border-light);
    }

    .fare-cards {
        grid-template-columns: 1fr;
    }

    .details-route {
        font-size: var(--cl-font-size-xl);
    }

    .selected-flight-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--cl-space-sm);
    }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeIn 0.3s ease forwards;
}

/* Loading states */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Autocomplete Dropdown
   ============================================ */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--cl-bg-white);
    border: 1px solid var(--cl-border);
    border-radius: var(--cl-radius-md);
    box-shadow: var(--cl-shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    display: none;
}

.autocomplete-dropdown.show {
    display: block;
}

.autocomplete-item {
    display: flex;
    align-items: center;
    gap: var(--cl-space-md);
    padding: var(--cl-space-md);
    cursor: pointer;
    transition: background var(--cl-transition-fast);
}

.autocomplete-item:hover,
.autocomplete-item.active {
    background: var(--cl-bg-light);
}

.autocomplete-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cl-accent-light);
    border-radius: 50%;
    color: var(--cl-accent);
}

.autocomplete-item-content {
    flex: 1;
}

.autocomplete-item-title {
    font-weight: 600;
}

.autocomplete-item-subtitle {
    font-size: var(--cl-font-size-sm);
    color: var(--cl-text-secondary);
}

.autocomplete-item-code {
    font-weight: 700;
    color: var(--cl-text-secondary);
}