/**
 * ADM Reviews Frontend Styles
 * 
 * Design System Implementation with CSS Custom Properties
 * Based on Minimalist Trust Review design system
 *
 * @package ADM_Reviews
 * @since 1.0.0
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

.adm-reviews-wrapper {
    /* Colors */
    --adm-reviews-color-bg-primary: transparent;
    --adm-reviews-color-surface-primary: #FFFFFF;
    --adm-reviews-color-text-primary: #212121;
    --adm-reviews-color-text-secondary: #5F6368;
    --adm-reviews-color-text-link: #5F6368;
    --adm-reviews-color-icon-rating: #F9BC05;
    --adm-reviews-color-icon-verified: #1A73E8;
    --adm-reviews-color-badge-verified-bg: #E6F0E9;
    --adm-reviews-color-badge-verified-text: #34A853;

    /* Typography */
    --adm-reviews-font-family: Inter, Roboto, 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --adm-reviews-spacing-xs: 4px;
    --adm-reviews-spacing-sm: 8px;
    --adm-reviews-spacing-md: 16px;
    --adm-reviews-spacing-lg: 24px;
    --adm-reviews-spacing-xl: 32px;

    /* Border Radius */
    --adm-reviews-radius-sm: 4px;
    --adm-reviews-radius-md: 8px;
    --adm-reviews-radius-lg: 16px;
    --adm-reviews-radius-full: 50%;

    /* Shadows */
    --adm-reviews-shadow-card: 0px 4px 12px rgba(0, 0, 0, 0.05);
    --adm-reviews-shadow-card-hover: 0px 6px 16px rgba(0, 0, 0, 0.08);

    /* Icons */
    --adm-reviews-icon-size-sm: 16px;
    --adm-reviews-icon-size-md: 20px;
    --adm-reviews-icon-size-lg: 24px;

    /* Transitions */
    --adm-reviews-transition-default: all 0.3s ease;
}

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

.adm-reviews-wrapper {
    background-color: var(--adm-reviews-color-bg-primary);
    padding: var(--adm-reviews-spacing-xl) 0;
    font-family: var(--adm-reviews-font-family);
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

/* ==========================================================================
   Toggle Button
   ========================================================================== */

.adm-reviews-toggle-container {
    display: flex;
    justify-content: center;
}

.adm-reviews-toggle-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--adm-reviews-spacing-md) var(--adm-reviews-spacing-xl);
    font-family: var(--adm-reviews-font-family);
    font-size: 1rem;
    font-weight: 600;
    color: #FFFFFF;
    background-color: #ff9000;
    border: none;
    border-radius: var(--adm-reviews-radius-md);
    cursor: pointer;
    transition: var(--adm-reviews-transition-default);
    box-shadow: 0 2px 8px rgba(255, 144, 0, 0.2);
}

.adm-reviews-toggle-button:hover {
    background-color: #e68200;
    box-shadow: 0 4px 12px rgba(255, 144, 0, 0.3);
    transform: translateY(-2px);
}

.adm-reviews-toggle-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.adm-reviews-toggle-button:focus {
    outline: 2px solid var(--adm-reviews-color-icon-verified);
    outline-offset: 2px;
}

/* ==========================================================================
   Collapsible Content
   ========================================================================== */

.adm-reviews-content {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.adm-reviews-content.is-visible {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   Section Header
   ========================================================================== */

.adm-reviews-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--adm-reviews-spacing-sm);
    margin-bottom: var(--adm-reviews-spacing-lg);
    margin-top: var(--adm-reviews-spacing-xl);
    text-align: center;
}

.adm-reviews-title {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--adm-reviews-color-text-primary);
    margin: 0;
    padding: 0;
}

.adm-reviews-header-stars {
    display: flex;
    gap: var(--adm-reviews-spacing-xs);
    font-size: var(--adm-reviews-icon-size-lg);
    color: var(--adm-reviews-color-icon-rating);
}

.adm-reviews-subtitle {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--adm-reviews-color-text-secondary);
    margin: 0;
}

/* ==========================================================================
   Review Slider (Desktop & Mobile)
   ========================================================================== */

.adm-reviews-slider-desktop,
.adm-reviews-slider-mobile {
    width: 100%;
    padding: var(--adm-reviews-spacing-lg);
    margin: 0 auto;
    max-width: 1400px;
}

.adm-reviews-slider-mobile .swiper-wrapper {
    display: flex;
    align-items: stretch;
}

.adm-reviews-slider-mobile .swiper-slide {
    height: auto;
    display: flex;
}

/* Desktop slider: show, mobile slider: hide */
.adm-reviews-slider-desktop {
    display: block;
    overflow: hidden; /* Important for Swiper */
}

.adm-reviews-slider-mobile {
    display: none;
}

/* Mobile breakpoint: show mobile slider, hide desktop slider */
@media screen and (max-width: 1024px) {
    .adm-reviews-slider-desktop { display: none; }
    .adm-reviews-slider-mobile { display: block; }
}

/* Desktop: Grid layout within slides (3x3) */
@media screen and (min-width: 1025px) {
    /* Ensure container clips content properly - no peeking */
    .adm-reviews-slider-desktop {
        overflow: hidden !important;
        position: relative;
        width: 100%;
        clip-path: inset(0);
    }
    
    /* Ensure Swiper wrapper doesn't extend beyond container */
    .adm-reviews-slider-desktop .swiper-wrapper {
        display: flex;
        align-items: stretch;
        width: 100%;
        will-change: transform;
    }
    
    /* Each slide takes exactly container width - no overflow */
    .adm-reviews-slider-desktop .swiper-slide {
        width: 100% !important;
        flex-shrink: 0 !important;
        height: auto;
        box-sizing: border-box;
        margin: 0 !important;
        overflow: hidden;
    }
    
    /* Grid layout inside each slide */
    .adm-reviews-slider-desktop .adm-reviews-slide {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: var(--adm-reviews-spacing-lg) !important;
        width: 100% !important;
        padding: var(--adm-reviews-spacing-md) !important;
    }

    /* Ensure cards are grid items */
    .adm-reviews-slider-desktop .adm-reviews-slide > .adm-review-card {
        width: 100% !important;
        margin: 0 !important;
        display: flex !important;
        flex-direction: column;
        min-width: 0;
    }

    /* Show pagination on desktop */
    .adm-reviews-slider-desktop .adm-reviews-pagination {
        display: flex !important;
    }
}

/* Tablet: 2 columns in grid */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    .adm-reviews-slider-desktop .adm-reviews-slide {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--adm-reviews-spacing-md) !important;
        width: 100% !important;
        padding: var(--adm-reviews-spacing-md) !important;
    }
}

/* Pagination */
.adm-reviews-pagination {
    margin-top: var(--adm-reviews-spacing-lg);
    position: relative;
    bottom: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.adm-reviews-pagination .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: var(--adm-reviews-color-text-secondary);
    opacity: 0.3;
    border-radius: 50%;
    margin: 0 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.adm-reviews-pagination .swiper-pagination-bullet-active {
    background: #ff9000;
    opacity: 1;
}

/* ==========================================================================
   Review Card
   ========================================================================== */

.adm-review-card {
    background-color: var(--adm-reviews-color-surface-primary);
    border-radius: var(--adm-reviews-radius-lg);
    padding: var(--adm-reviews-spacing-lg);
    box-shadow: var(--adm-reviews-shadow-card);
    border: 1px solid #E5E8E4;
    display: flex;
    flex-direction: column;
    gap: var(--adm-reviews-spacing-md);
    width: 100%;
    transition: var(--adm-reviews-transition-default);
}

/* Ensure card body grows to fill space for uniform heights */
.adm-review-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Desktop: Grid cards - uniform height */
@media screen and (min-width: 769px) {
    .adm-reviews-slider-desktop .adm-review-card {
        cursor: default;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
}

/* Mobile: Slider cards */
@media screen and (max-width: 768px) {
    .adm-reviews-slider-mobile .adm-review-card {
        min-width: 300px;
        max-width: 350px;
        cursor: grab;
    }
    
    .adm-reviews-slider-mobile .adm-review-card:active {
        cursor: grabbing;
    }
}

.adm-review-card:hover {
    transform: scale(1.02);
    box-shadow: var(--adm-reviews-shadow-card-hover);
}

/* ==========================================================================
   Card Header
   ========================================================================== */

.adm-review-card-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--adm-reviews-spacing-sm);
}

.adm-review-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--adm-reviews-radius-full);
    background-color: var(--adm-reviews-color-text-secondary);
    color: var(--adm-reviews-color-surface-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.adm-review-author-info {
    display: flex;
    flex-direction: column;
    gap: var(--adm-reviews-spacing-xs);
    min-width: 0;
}

.adm-review-author-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--adm-reviews-color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--adm-reviews-spacing-xs);
    line-height: 1.2;
}

.adm-review-date {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--adm-reviews-color-text-secondary);
}

.adm-review-verified-icon {
    display: inline-flex;
    align-items: center;
    color: var(--adm-reviews-color-icon-verified);
    flex-shrink: 0;
}

.adm-review-icon-verified {
    width: var(--adm-reviews-icon-size-sm);
    height: var(--adm-reviews-icon-size-sm);
}

.adm-review-source-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.adm-review-icon-source {
    width: var(--adm-reviews-icon-size-md);
    height: var(--adm-reviews-icon-size-md);
    color: var(--adm-reviews-color-icon-rating);
}

/* ==========================================================================
   Card Body
   ========================================================================== */

.adm-review-card-body {
    display: flex;
    flex-direction: column;
    gap: var(--adm-reviews-spacing-sm);
}

.adm-review-stars {
    display: flex;
    gap: 2px;
    font-size: var(--adm-reviews-icon-size-md);
}

.adm-review-star {
    color: var(--adm-reviews-color-icon-rating);
}

.adm-review-star-full {
    color: var(--adm-reviews-color-icon-rating);
}

.adm-review-star-half {
    color: var(--adm-reviews-color-icon-rating);
    opacity: 0.5;
}

.adm-review-star-empty {
    color: var(--adm-reviews-color-text-secondary);
    opacity: 0.3;
}

.adm-review-text {
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--adm-reviews-color-text-primary);
    overflow: hidden;
}

.adm-review-text p {
    margin: 0;
}

.adm-review-text.is-truncated p {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.adm-review-read-more {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--adm-reviews-color-text-link);
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s ease;
    margin-top: var(--adm-reviews-spacing-xs);
}

.adm-review-read-more:hover {
    opacity: 0.7;
}

.adm-review-text.is-expanded p {
    display: block;
    -webkit-line-clamp: unset;
}

/* ==========================================================================
   No Reviews Message
   ========================================================================== */

.adm-reviews-no-reviews {
    text-align: center;
    color: var(--adm-reviews-color-text-secondary);
    padding: var(--adm-reviews-spacing-xl);
    font-style: italic;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet */
@media screen and (max-width: 1024px) {
    .adm-reviews-title {
        font-size: 2rem;
    }

    /* Tablet: 2 columns in grid (only for desktop slider) */
    .adm-reviews-slider-desktop .adm-reviews-slide {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--adm-reviews-spacing-md);
    }
}

/* Mobile */
@media screen and (max-width: 768px) {
    .adm-reviews-wrapper {
        padding: var(--adm-reviews-spacing-lg) 0;
    }

    .adm-reviews-toggle-button {
        font-size: 0.9rem;
        padding: var(--adm-reviews-spacing-sm) var(--adm-reviews-spacing-lg);
    }

    .adm-reviews-title {
        font-size: 1.75rem;
    }

    /* Hide desktop slider, show mobile slider */
    .adm-reviews-slider-desktop {
        display: none;
    }

    .adm-reviews-slider-mobile {
        display: block;
        padding: var(--adm-reviews-spacing-md) var(--adm-reviews-spacing-sm);
    }

    /* Hide pagination on mobile */
    .adm-reviews-pagination {
        display: none;
    }

    .adm-review-card {
        min-width: 260px;
        max-width: 280px;
        padding: var(--adm-reviews-spacing-md);
    }

    .adm-review-avatar {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }

    .adm-review-author-name {
        font-size: 0.9rem;
    }

    .adm-review-text {
        font-size: 0.875rem;
    }

}

/* Small Mobile */
@media screen and (max-width: 480px) {
    .adm-reviews-title {
        font-size: 1.5rem;
    }

    .adm-review-card {
        min-width: 240px;
        max-width: 260px;
    }
}

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

.adm-reviews-wrapper *:focus-visible {
    outline: 2px solid var(--adm-reviews-color-icon-verified);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .adm-review-card {
        transition: none;
    }

    .adm-review-read-more {
        transition: none;
    }
}

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

@media print {
    .adm-reviews-wrapper {
        background-color: white;
    }

    .adm-review-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}