/**
 * Public-facing CSS for the Charleston Airport Flights plugin.
 *
 * @since      1.0.0
 * @package    CHS_Flights
 */

/* Root variables for consistency */
:root {
    --font-family-primary: 'Brandon Grotesque', sans-serif;
    --color-dark-navy: #1B365D;
    --color-royal-blue: #0088FF;
    --color-white: #ffffff;
    --color-soft-black: #0f0f10;
    --color-light-grey: #f2f2f2;
    --color-very-light-grey: #f8f8f8;
    --color-link-blue: #0076df;
    --border-color: #0f0f10;
    --text-color-primary: var(--color-soft-black);
    --background-color-light: var(--color-very-light-grey);
    --background-color-white: var(--color-white);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --border-radius: 0.25rem;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Base Styles */
.chs-airlines-container,
.chs-nonstop-container,
.chs-destinations-grid-container,
.chs-destinations-list-container {
    font-family: var(--font-family-primary);
    color: var(--text-color-primary);
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography - Override any theme styles */
.chs-airline-name {
    font-family: var(--font-family-primary) !important;
    font-weight: 500 !important; /* medium */
    font-size: 1.875rem !important; /* 30px */
    line-height: 2.8125rem !important; /* 45px */
    color: var(--text-color-primary) !important;
    margin: 0 !important;
    padding: 0 !important;
    text-transform: none !important;
    letter-spacing: normal !important;
}

.chs-state-name {
    font-family: var(--font-family-primary) !important;
    font-weight: 500 !important; /* medium */
    font-size: 1.25rem !important; /* 20px */
    line-height: 1.5rem !important; /* 24px */
    color: var(--text-color-primary) !important;
    margin: 0 !important;
    padding: 0 !important;
}

.chs-destination-name {
    font-family: var(--font-family-primary) !important;
    font-weight: 500 !important; /* medium */
    font-size: 1.125rem !important; /* 18px */
    line-height: 1.6875rem !important; /* 27px */
    color: var(--text-color-primary) !important;
    margin: 0 !important;
    padding: 0 !important;
}

.chs-destination-title,
.chs-destination-location,
.chs-airlines-info,
.chs-schedules-info,
.chs-detail-item,
.chs-airline-meta,
.chs-empty-message,
.chs-airlines-list {
    font-family: var(--font-family-primary) !important;
    font-weight: 400 !important; /* regular */
    font-size: 1.125rem !important; /* 18px */
    line-height: 1.6875rem !important; /* 27px */
    color: var(--text-color-primary) !important;
    margin: 0 !important;
    padding: 0 !important;
}

.chs-destination-airport,
.chs-airport-info {
    font-family: var(--font-family-primary) !important;
    font-weight: 400 !important; /* regular */
    font-size: 1rem !important; /* 16px - slightly smaller */
    line-height: 1.5rem !important; /* 24px */
    color: var(--text-color-primary) !important;
    margin: 0 !important;
    padding: 0 !important;
}

.chs-airline-meta-label,
.chs-airlines-label,
.chs-schedules-label,
.chs-detail-label {
    font-weight: 500 !important; /* medium */
    margin-right: 5px !important; /* Add spacing after label */
}

.chs-airport-code {
    font-weight: 400 !important; /* regular, match airport name */
}

/* Link styles - Updated to match requirements */
.chs-link {
    font-family: var(--font-family-primary) !important;
    font-weight: 400 !important; /* regular */
    font-size: 1.125rem !important; /* 18px */
    line-height: 1.6875rem !important; /* 27px */
    color: var(--color-soft-black) !important;
    text-decoration: underline !important;
    transition: color 0.2s ease !important;
    display: inline-block !important;
}

.chs-link:hover,
.chs-link:focus,
.chs-link:active {
    color: var(--color-link-blue) !important;
    outline: none !important;
}

.chs-link:focus-visible {
    outline: 2px solid var(--color-link-blue) !important;
    outline-offset: 2px !important;
}

.chs-link.chs-website-link {
    font-weight: 500 !important; /* medium */
}

/* Accordion Styles - Updated with clear borders */
.chs-accordion-item {
    border: none !important;
    border-top: 1px solid var(--border-color) !important;
    border-bottom: 1px solid var(--border-color) !important;
    margin-bottom: -1px !important; /* Fix double borders between items */
    padding: 0 !important;
    background-color: var(--background-color-white) !important;
    overflow: hidden !important;
}

.chs-accordion-trigger {
    display: flex !important;
    width: 100% !important;
    padding: var(--spacing-md) !important;
    background: none !important;
    border: none !important;
    cursor: pointer !important;
    text-align: left !important;
    align-items: center !important;
    justify-content: space-between !important;
    transition: background-color 0.2s ease !important;
}

.chs-accordion-trigger:hover {
    background-color: var(--background-color-light) !important;
}

.chs-accordion-trigger:focus {
    outline: none !important;
}

.chs-accordion-trigger:focus-visible {
    outline: 2px solid var(--color-link-blue) !important;
    outline-offset: -2px !important;
}

.chs-accordion-trigger[aria-expanded="true"] {
    background-color: var(--background-color-light) !important;
}

.chs-accordion-trigger-content {
    display: flex !important;
    align-items: center !important;
    flex-grow: 1 !important;
}

.chs-airline-logo-wrapper {
    margin-right: var(--spacing-lg) !important;
    width: 80px !important;
    flex-shrink: 0 !important;
    display: flex !important;
    align-items: center !important;
}

.chs-airline-logo {
    width: 100% !important;
    height: auto !important;
    display: block !important;
}

.chs-airline-info {
    flex-grow: 1 !important;
    display: flex !important;
    flex-direction: column !important;
}

.chs-airline-meta {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    margin-top: 5px !important;
}

.chs-airline-phone {
    margin-right: var(--spacing-md) !important;
    margin-bottom: var(--spacing-xs) !important;
}

.chs-airline-website {
    margin-bottom: var(--spacing-xs) !important;
}

/* Updated accordion icon to be circular with perfect centering */
.chs-accordion-icon {
    position: relative !important;
    width: 28px !important;
    height: 28px !important;
    margin-left: var(--spacing-md) !important;
    flex-shrink: 0 !important;
    border-radius: 50% !important;
    border: 1px solid var(--border-color) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background-color: var(--color-white) !important;
}

.chs-accordion-icon:before,
.chs-accordion-icon:after {
    content: "" !important;
    position: absolute !important;
    background-color: var(--color-soft-black) !important;
    transition: transform 0.3s ease !important;
    top: 50% !important;
    left: 50% !important;
}

.chs-accordion-icon:before {
    width: 14px !important;
    height: 2px !important;
    margin-top: -1px !important;
    margin-left: -7px !important;
}

.chs-accordion-icon:after {
    width: 2px !important;
    height: 14px !important;
    margin-top: -7px !important;
    margin-left: -1px !important;
}

.chs-accordion-trigger[aria-expanded="true"] .chs-accordion-icon:after {
    transform: rotate(90deg) !important;
}

.chs-accordion-panel {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) + 80px) !important;
    border-top: 1px solid var(--border-color) !important;
}

/* States accordion in nonstop flights */
.chs-destinations-accordion .chs-accordion-item {
    border-top: 1px solid var(--border-color) !important;
    border-bottom: 1px solid var(--border-color) !important;
    margin-bottom: -1px !important;
}

.chs-destinations-accordion .chs-accordion-panel {
    padding: var(--spacing-md) 0 !important; /* Remove left padding to align with state name */
    border-top: 1px solid var(--border-color) !important;
}

/* Schedule Groups - Updated styling with airplane icons */
.chs-schedule-group {
    margin-top: var(--spacing-md) !important;
}

.chs-schedule-group:first-child {
    margin-top: 0 !important;
}

.chs-schedule-heading {
    font-family: var(--font-family-primary) !important;
    font-weight: 500 !important;
    font-size: 1.25rem !important;
    margin-bottom: var(--spacing-sm) !important;
    color: var(--text-color-primary) !important;
    border-bottom: 1px solid var(--color-light-grey) !important;
    padding-bottom: var(--spacing-xs) !important;
    display: flex !important;
    align-items: center !important;
}

/* Airplane icon for ALL schedule headings - filled black and 32px */
.chs-schedule-heading::before {
    content: '' !important;
    width: 32px !important;
    height: 32px !important;
    margin-right: var(--spacing-sm) !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%230f0f10'%3E%3Cpath d='M17.8 19.2 16 11l3.5-3.5C21 6 21.5 4 21 3c-1-.5-3 0-4.5 1.5L13 8 4.8 6.2c-.5-.1-.9.1-1.1.5l-.3.5c-.2.5-.1 1 .3 1.3L9 12l-2 3H4l-1 1 3 2 2 3 1-1v-3l3-2 3.5 5.3c.3.4.8.5 1.3.3l.5-.2c.4-.3.6-.7.5-1.2z'/%3E%3C/svg%3E") !important;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    flex-shrink: 0 !important;
}

/* Destinations List */
.chs-destinations-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: var(--spacing-sm) !important;
}

.chs-destination-item {
    padding: var(--spacing-xs) 0 !important;
}

.chs-destination-item:last-child {
    border-bottom: none !important;
}

.chs-destination-main {
    display: flex !important;
    flex-direction: column !important;
}

.chs-destination-title {
    font-weight: 500 !important;
    margin-right: var(--spacing-sm) !important;
    color: var(--text-color-primary) !important;
}

.chs-destination-airport {
    color: var(--text-color-primary) !important;
}

.chs-destination-schedule {
    color: var(--text-color-primary) !important;
    font-style: italic !important;
}

/* Route Details */
.chs-details-toggle {
    background: none !important;
    border: none !important;
    padding: 0 !important;
    font-family: var(--font-family-primary) !important;
    font-weight: 500 !important;
    font-size: 1.125rem !important;
    color: var(--color-soft-black) !important;
    text-decoration: underline !important;
    cursor: pointer !important;
    margin-top: var(--spacing-xs) !important;
    align-self: flex-start !important;
    transition: color 0.2s ease !important;
}

.chs-details-toggle:hover,
.chs-details-toggle:focus,
.chs-details-toggle:active {
    color: var(--color-link-blue) !important;
    outline: none !important;
}

.chs-details-toggle:focus-visible {
    outline: 2px solid var(--color-link-blue) !important;
    outline-offset: 2px !important;
}

.chs-details-toggle-icon {
    display: inline-block !important;
    width: 12px !important;
    height: 12px !important;
    margin-left: 5px !important;
    position: relative !important;
}

.chs-details-toggle-icon:before,
.chs-details-toggle-icon:after {
    content: "" !important;
    position: absolute !important;
    background-color: currentColor !important;
    transition: transform 0.3s ease !important;
}

.chs-details-toggle-icon:before {
    top: 5px !important;
    left: 0 !important;
    width: 12px !important;
    height: 2px !important;
}

.chs-details-toggle-icon:after {
    top: 0 !important;
    left: 5px !important;
    width: 2px !important;
    height: 12px !important;
}

.chs-details-toggle[aria-expanded="true"] .chs-details-toggle-icon:after {
    transform: rotate(90deg) !important;
}

.chs-route-details {
    background-color: var(--background-color-light) !important;
    padding: var(--spacing-sm) !important;
    margin-top: var(--spacing-xs) !important;
    border-radius: var(--border-radius) !important;
}

.chs-detail-item {
    margin-bottom: var(--spacing-xs) !important;
}

.chs-detail-item:last-child {
    margin-bottom: 0 !important;
}

.chs-detail-label {
    font-weight: 500 !important;
    margin-right: var(--spacing-xs) !important;
}

/* Filter Controls */
.chs-filter-controls {
    margin-bottom: var(--spacing-md) !important;
}

.chs-radio-group {
    display: flex !important;
    align-items: center !important;
}

.chs-radio-label {
    display: inline-flex !important;
    align-items: center !important;
    margin-right: var(--spacing-md) !important;
    cursor: pointer !important;
}

.chs-radio-input {
    margin-right: var(--spacing-xs) !important;
}

.chs-radio-text {
    font-family: var(--font-family-primary) !important;
    font-weight: 500 !important;
    font-size: 1.125rem !important;
}

/* Destination Grid - Updated to match mockup */
.chs-destination-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important; /* Two columns per row as per mockup */
    gap: var(--spacing-md) !important;
    padding: 0 !important;
    margin: 0 !important; 
}

.chs-destination-card {
    display: flex !important;
    flex-direction: row !important;
    border: none !important;
    border-radius: var(--border-radius) !important;
    overflow: hidden !important;
    background-color: var(--background-color-white) !important;
    box-shadow: var(--box-shadow) !important;
    height: auto !important;
    min-height: 160px !important; /* Taller cards to match mockup */
}

.chs-destination-image-wrapper,
.chs-destination-image-link {
    display: block !important;
    width: 40% !important;
    min-width: 40% !important;
    overflow: hidden !important;
    position: relative !important;
    height: auto !important;
}

.chs-destination-image {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    transition: transform 0.3s ease !important;
    image-rendering: -webkit-optimize-contrast !important; /* Improve image sharpness */
    image-rendering: crisp-edges !important;
}

.chs-destination-image-link:hover .chs-destination-image,
.chs-destination-image-link:focus .chs-destination-image {
    transform: scale(1.05) !important;
}

.chs-destination-info {
    width: 60% !important;
    padding: var(--spacing-sm) !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important; /* Center content vertically */
}

.chs-airport-info,
.chs-destination-location {
    margin-bottom: var(--spacing-xs) !important;
}

.chs-airlines-info,
.chs-schedules-info {
    margin-top: var(--spacing-xs) !important;
}

/* Airlines list styling in Nonstop Flights view */
.chs-airlines-list {
    margin-top: var(--spacing-xs) !important;
    color: var(--text-color-primary) !important;
}

/* Loading indicator for AJAX */
.chs-loading {
    display: inline-block !important;
    width: 20px !important;
    height: 20px !important;
    border: 2px solid rgba(0, 118, 223, 0.3) !important;
    border-radius: 50% !important;
    border-top-color: var(--color-link-blue) !important;
    animation: chs-spin 1s ease-in-out infinite !important;
    margin-left: var(--spacing-sm) !important;
}

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

/* Accessibility Enhancements */
.chs-radio-input:focus-visible + .chs-radio-text {
    outline: 2px solid var(--color-link-blue) !important;
    outline-offset: 2px !important;
}

.chs-destination-image-link:focus-visible {
    outline: 2px solid var(--color-link-blue) !important;
    outline-offset: 0 !important;
}

/* Screen reader text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* Responsive Styles */
@media screen and (max-width: 767px) {
    .chs-destinations-list {
        grid-template-columns: 1fr !important;
    }
    
    .chs-destination-grid {
        grid-template-columns: 1fr !important;
    }
    
    .chs-accordion-trigger-content {
        flex-direction: column !important;
        align-items: flex-start !important;
    }
    
    .chs-airline-logo-wrapper {
        margin-right: 0 !important;
        margin-bottom: var(--spacing-xs) !important;
    }
    
    .chs-accordion-panel {
        padding: var(--spacing-sm) !important;
    }
    
    .chs-airline-meta {
        flex-direction: column !important;
    }
    
    .chs-airline-phone {
        margin-right: 0 !important;
    }
    
    .chs-destination-card {
        flex-direction: column !important;
        min-height: auto !important;
    }
    
    .chs-destination-image-wrapper,
    .chs-destination-image-link {
        width: 100% !important;
        min-width: 100% !important;
        height: 0 !important;
        padding-top: 56.25% !important; /* 16:9 aspect ratio */
        position: relative !important;
    }
    
    .chs-destination-info {
        width: 100% !important;
    }
    
    /* Improve touch targets for mobile */
    .chs-accordion-trigger,
    .chs-details-toggle,
    .chs-link {
        padding: 12px !important;
        margin: -12px !important;
    }
    
    .chs-accordion-trigger {
        padding: var(--spacing-md) !important;
        margin: 0 !important;
    }
    
    .chs-radio-label {
        padding: 8px 0 !important;
    }
}

@media screen and (min-width: 768px) and (max-width: 1023px) {
    .chs-destinations-list {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .chs-destination-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .chs-accordion-trigger-content {
        align-items: center !important;
    }
    
    .chs-airline-info {
        flex-direction: column !important;
    }
    
    /* Better spacing for tablet view */
    .chs-destination-card {
        min-height: 140px !important;
    }
}

@media screen and (min-width: 1024px) {
    .chs-destinations-list {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .chs-destination-grid {
        grid-template-columns: repeat(2, 1fr) !important; /* Keep at 2 columns even on large screens */
    }
    
    .chs-accordion-trigger-content {
        align-items: center !important;
    }
    
    .chs-airline-logo-wrapper {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* Large screen specific adjustments */
    .chs-destination-card {
        min-height: 160px !important;
    }
}

/* Print styles for accessibility */
@media print {
    .chs-accordion-panel {
        display: block !important;
        height: auto !important;
    }
    
    .chs-accordion-trigger[aria-expanded="false"] + .chs-accordion-panel {
        display: block !important;
        visibility: visible !important;
        height: auto !important;
    }
    
    .chs-accordion-icon {
        display: none !important;
    }
    
    .chs-destination-image {
        print-color-adjust: exact !important;
    }
}