/**
 * DeWonder Trip Overview - Public Styles
 *
 * Intrepid Travel-style trip page layout
 * All classes prefixed with .dto- to avoid theme conflicts
 *
 * @since 1.0.0
 */

/* ==========================================================================
   CSS Custom Properties (Brand Colors & Design Tokens)
   ========================================================================== */

.dto-container {
    /* Brand Colors */
    --dto-primary: #0D4EDB;
    --dto-secondary: #102E9E;
    --dto-accent: #E3EE30;

    /* Neutral Colors */
    --dto-white: #ffffff;
    --dto-black: #000000;
    --dto-text: rgba(0, 0, 0, 0.86);
    --dto-text-weak: #757575;
    --dto-text-label: rgba(0, 0, 0, 0.55);
    --dto-border: #dedede;
    --dto-border-weak: rgba(0, 0, 0, 0.13);
    --dto-bg-light: #f6f4f0;

    /* Spacing */
    --dto-space-xxs: 0.5rem;
    --dto-space-xs: 1rem;
    --dto-space-s: 1.5rem;
    --dto-space-m: 2rem;
    --dto-space-l: 2.5rem;

    /* Border Radius */
    --dto-radius-s: 0.5rem;
    --dto-radius-m: 1rem;

    /* Shadows */
    --dto-shadow-1: 0 2px 8px 0 rgba(0, 0, 0, 0.14);
    --dto-shadow-2: 0 4px 24px 0 rgba(0, 0, 0, 0.14);

    /* Transitions */
    --dto-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography - matching dewonder theme */
    --dto-font-family: inherit;
    --dto-font-size-body: 16px;
    --dto-font-size-small: 14px;
    --dto-font-size-caption: 12px;
    --dto-line-height: 1.5;
}

/* ==========================================================================
   Container
   ========================================================================== */

.dto-container {
    box-sizing: border-box;
    width: 100%;
    font-family: var(--dto-font-family);
    color: var(--dto-text);
    font-size: var(--dto-font-size-body);
    line-height: var(--dto-line-height);
}

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

/* ==========================================================================
   Title
   ========================================================================== */

.dto-title {
    margin-bottom: var(--dto-space-xs);
}

.dto-title__heading {
    margin: 0;
    padding: 0;
    font-size: 2.25rem;
    font-weight: 500;
    line-height: 1.25;
    color: var(--dto-text);
}

@media (max-width: 767px) {
    .dto-title__heading {
        font-size: 1.75rem;
    }
}

/* ==========================================================================
   Main Layout (Two Column)
   ========================================================================== */

.dto-main {
    display: grid;
    gap: var(--dto-space-l) var(--dto-space-xs);
    grid-template-columns: 1fr 345px;
    align-items: start;
}

@media (max-width: 1023px) {
    .dto-main {
        grid-template-columns: 1fr;
    }
}

.dto-content {
    min-width: 0; /* Prevent grid blowout */
}

.dto-sidebar {
    position: sticky;
    top: var(--dto-space-m);
}

@media (max-width: 1023px) {
    .dto-sidebar {
        position: static;
    }
}

/* ==========================================================================
   Gallery - Intrepid 5-Grid Layout
   ========================================================================== */

.dto-gallery {
    margin-bottom: var(--dto-space-xs);
}

.dto-gallery__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

/* Main image takes full left column */
.dto-gallery__main {
    grid-row: 1 / 3;
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--dto-radius-s);
    cursor: pointer;
}

.dto-gallery__main .dto-gallery__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--dto-transition);
}

.dto-gallery__main:hover .dto-gallery__image {
    transform: scale(1.02);
}

/* Thumbnail grid on right side */
.dto-gallery__thumbs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 8px;
}

.dto-gallery__thumb {
    position: relative;
    overflow: hidden;
    border-radius: var(--dto-radius-s);
    cursor: pointer;
}

.dto-gallery__thumb .dto-gallery__image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--dto-transition);
}

.dto-gallery__thumb:hover .dto-gallery__image {
    transform: scale(1.05);
}

/* "All photos" overlay */
.dto-gallery__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    transition: background var(--dto-transition);
}

/* Mobile-only overlay - hidden on desktop */
.dto-gallery__overlay--mobile {
    display: none;
}

.dto-gallery__overlay:hover {
    background: rgba(0, 0, 0, 0.5);
}

.dto-gallery__overlay-btn {
    border: none;
    background: var(--dto-white);
    color: var(--dto-text);
    padding: 10px 16px;
    border-radius: var(--dto-radius-s);
    font-size: var(--dto-font-size-small);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--dto-transition);
}

.dto-gallery__overlay-btn:hover {
    background: var(--dto-bg-light);
}

.dto-gallery__count {
    white-space: nowrap;
}

/* ==========================================================================
   Mobile Gallery Carousel
   ========================================================================== */

/* Hidden on desktop */
.dto-gallery__carousel {
    display: none;
}

@media (max-width: 767px) {
    /* Hide desktop grid on mobile */
    .dto-gallery__grid {
        display: none;
    }

    /* Show carousel on mobile */
    .dto-gallery__carousel {
        display: block;
        position: relative;
    }

    /* Horizontal scroll container */
    .dto-gallery__slides {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
    }

    .dto-gallery__slides::-webkit-scrollbar {
        display: none; /* Chrome/Safari */
    }

    /* Individual slides */
    .dto-gallery__slide {
        flex: 0 0 100%;
        scroll-snap-align: start;
        aspect-ratio: 4 / 3;
    }

    .dto-gallery__slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: var(--dto-radius-s);
    }

    /* Dot indicators */
    .dto-gallery__dots {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 12px;
    }

    .dto-gallery__dot {
        width: 8px;
        height: 8px;
        padding: 0;
        border: none;
        border-radius: 50%;
        background: var(--dto-border);
        cursor: pointer;
        transition: background var(--dto-transition), transform var(--dto-transition);
    }

    .dto-gallery__dot--active {
        background: var(--dto-primary);
        transform: scale(1.25);
    }

    /* Counter badge (top-right) */
    .dto-gallery__badge {
        position: absolute;
        top: 12px;
        right: 12px;
        padding: 4px 10px;
        background: rgba(0, 0, 0, 0.6);
        color: var(--dto-white);
        font-size: var(--dto-font-size-caption);
        border-radius: 12px;
    }
}

/* ==========================================================================
   Description with Read More
   ========================================================================== */

.dto-description {
    margin-top: var(--dto-space-xs);
}

.dto-description__tagline {
    margin: 0 0 var(--dto-space-xxs);
    font-size: var(--dto-font-size-body);
    font-weight: 600;
    line-height: 1.4;
    color: var(--dto-text);
}

.dto-description__wrapper {
    position: relative;
}

.dto-description__content {
    overflow: hidden;
    transition: max-height var(--dto-transition);
}

.dto-description__content--collapsed {
    max-height: 4.5rem; /* ~3 lines */
    position: relative;
}

.dto-description__content--collapsed::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2rem;
    background: linear-gradient(transparent, var(--dto-white));
    pointer-events: none;
}

.dto-description__content--expanded {
    max-height: none;
}

.dto-description__content--expanded::after {
    display: none;
}

.dto-description__text {
    font-size: var(--dto-font-size-body);
    line-height: var(--dto-line-height);
    color: var(--dto-text);
}

.dto-description__text p {
    margin: 0 0 var(--dto-space-xxs);
}

.dto-description__text p:last-child {
    margin-bottom: 0;
}

.dto-description__toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: var(--dto-space-xxs);
    padding: 0;
    border: none !important;
    background: none;
    color: var(--dto-primary);
    font-size: var(--dto-font-size-body);
    font-weight: 400;
    cursor: pointer;
    transition: color var(--dto-transition);
}

.dto-description__toggle:hover {
    color: var(--dto-secondary);
}

.dto-description__toggle-icon {
    display: inline-flex;
    transition: transform var(--dto-transition);
}

.dto-description__toggle[aria-expanded="true"] .dto-description__toggle-icon {
    transform: rotate(180deg);
}

/* ==========================================================================
   Sidebar Snapshot Card
   ========================================================================== */

.dto-snapshot__card {
    border: 1px solid var(--dto-border);
    border-radius: var(--dto-radius-m);
    padding: var(--dto-space-s);
    background: var(--dto-white);
}

.dto-snapshot__header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--dto-space-xxs);
}

.dto-snapshot__trip-code {
    font-size: var(--dto-font-size-caption);
    color: var(--dto-text-weak);
}

.dto-snapshot__location {
    margin: 0 0 var(--dto-space-xxs);
    font-size: var(--dto-font-size-body);
}

.dto-snapshot__location .dto-snapshot__label {
    color: var(--dto-text);
}

.dto-snapshot__location .dto-snapshot__value {
    font-weight: 600;
}

.dto-snapshot__divider {
    border: none;
    border-top: 1px solid var(--dto-border);
    margin: var(--dto-space-xs) 0;
}

/* Details grid */
.dto-snapshot__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--dto-space-xs);
}

.dto-snapshot__item {
    display: flex;
    flex-direction: column;
}

.dto-snapshot__dt {
    font-size: var(--dto-font-size-small);
    color: var(--dto-text-weak);
    margin-bottom: 2px;
}

.dto-snapshot__dd {
    font-size: var(--dto-font-size-body);
    font-weight: 600;
    color: var(--dto-text);
    margin: 0;
}

/* Physical rating bars */
.dto-rating {
    display: inline-flex;
    gap: 3px;
}

.dto-rating__bar {
    display: inline-block;
    width: 16px;
    height: 9px;
    border-radius: 2px;
}

.dto-rating__bar--filled {
    background: var(--dto-text);
}

.dto-rating__bar--empty {
    background: transparent;
    border: 1px solid var(--dto-text);
}

/* Price display */
.dto-snapshot__price {
    text-align: right;
    margin-bottom: var(--dto-space-xs);
}

.dto-snapshot__price-label {
    display: block;
    font-size: var(--dto-font-size-caption);
    color: var(--dto-text-weak);
    margin-bottom: 2px;
}

.dto-snapshot__price-value {
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--dto-text);
}

.dto-snapshot__currency {
    margin-right: 4px;
}

/* CTA Button */
.dto-btn {
    display: block;
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 50px;
    font-size: var(--dto-font-size-body);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--dto-transition), transform var(--dto-transition);
}

.dto-btn--primary,
.dto-btn--primary:hover,
.dto-btn--primary:focus,
.dto-btn--primary:active,
.dto-btn--primary:visited {
    background: #0D4EDB !important;
    color: #ffffff !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
}

.dto-btn--primary:active {
    transform: scale(0.98);
}

.dto-snapshot__cta {
    margin-top: var(--dto-space-xxs);
}

/* ==========================================================================
   Lightbox Modal
   ========================================================================== */

.dto-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dto-transition), visibility var(--dto-transition);
}

.dto-lightbox--open {
    opacity: 1;
    visibility: visible;
}

.dto-lightbox__overlay {
    position: absolute;
    inset: 0;
    cursor: pointer;
}

.dto-lightbox__container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: var(--dto-space-m);
}

.dto-lightbox .dto-lightbox__container .dto-lightbox__close,
.dto-lightbox__close {
    position: absolute !important;
    top: 1rem !important;
    right: 1rem !important;
    left: auto !important;
    bottom: auto !important;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    cursor: pointer;
    transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dto-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.dto-lightbox__content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--dto-space-xs);
    min-height: 0;
}

.dto-lightbox__nav {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--dto-white);
    cursor: pointer;
    transition: background var(--dto-transition);
}

.dto-lightbox__nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.dto-lightbox__nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.dto-lightbox__image-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    max-height: 100%;
}

.dto-lightbox__image {
    max-width: 100%;
    max-height: calc(100vh - 200px);
    object-fit: contain;
    border-radius: var(--dto-radius-s);
}

.dto-lightbox__footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--dto-space-xs);
    padding-top: var(--dto-space-xs);
}

.dto-lightbox__counter {
    font-size: var(--dto-font-size-small);
    color: rgba(255, 255, 255, 0.7);
}

.dto-lightbox__thumbs {
    display: flex;
    gap: 8px;
    max-width: 100%;
    overflow-x: auto;
    padding: 4px;
}

.dto-lightbox__thumb-btn {
    flex-shrink: 0;
    width: 60px;
    height: 45px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--dto-transition);
}

.dto-lightbox__thumb-btn--active {
    border-color: var(--dto-white);
}

.dto-lightbox__thumb-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Mobile lightbox adjustments */
@media (max-width: 767px) {
    .dto-lightbox__container {
        padding: var(--dto-space-xs);
    }

    .dto-lightbox__nav {
        width: 40px;
        height: 40px;
    }

    .dto-lightbox__thumbs {
        display: none;
    }
}

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

/* Screen reader only */
.dto-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Prevent body scroll when lightbox is open */
body.dto-lightbox-open {
    overflow: hidden;
}