/**
 * Pegxy Gallery — Frontend Styles
 *
 * Light theme, responsive grid, filter bar, cards, modal/popup.
 * Inherits font from active WordPress theme.
 *
 * @package Pegxy_Gallery
 */

/* ============================================
   CSS Variables (Design Tokens)
   ============================================ */
:root {
    --pegxy-font: inherit;
    --pegxy-bg: #f8f9fb;
    --pegxy-card-bg: #ffffff;
    --pegxy-border: #e2e5ea;
    --pegxy-border-light: #eef0f3;
    --pegxy-text: #1a1d23;
    --pegxy-text-muted: #6b7280;
    --pegxy-text-light: #9ca3af;
    --pegxy-accent: #4f6ef7;
    --pegxy-accent-hover: #3b5de7;
    --pegxy-accent-light: #eef1fe;
    --pegxy-radius: 12px;
    --pegxy-radius-sm: 8px;
    --pegxy-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --pegxy-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
    --pegxy-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
    --pegxy-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --pegxy-gap: 20px;
}

/* ============================================
   Wrapper
   ============================================ */
.pegxy-gallery-wrapper {
    font-family: var(--pegxy-font);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    color: var(--pegxy-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.pegxy-gallery-wrapper *,
.pegxy-gallery-wrapper *::before,
.pegxy-gallery-wrapper *::after {
    box-sizing: border-box;
}

/* ============================================
   Filter Bar
   ============================================ */
.pegxy-filter-bar {
    margin-bottom: 28px;
}

.pegxy-filter-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

/* Search Box */
.pegxy-search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.pegxy-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--pegxy-text-light);
    pointer-events: none;
}

.pegxy-search-input {
    width: 100%;
    padding: 10px 14px 10px 42px;
    border: 1px solid var(--pegxy-border);
    border-radius: var(--pegxy-radius-sm);
    font-size: 14px;
    font-family: var(--pegxy-font);
    color: var(--pegxy-text);
    background: var(--pegxy-card-bg);
    outline: none;
    transition: border-color var(--pegxy-transition), box-shadow var(--pegxy-transition);
}

.pegxy-search-input::placeholder {
    color: var(--pegxy-text-light);
}

.pegxy-search-input:focus {
    border-color: var(--pegxy-accent);
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.12);
}

/* Category Dropdown */
.pegxy-category-dropdown-wrap {
    min-width: 180px;
}

.pegxy-category-dropdown {
    width: 100%;
    padding: 10px 36px 10px 14px;
    border: 1px solid var(--pegxy-border);
    border-radius: var(--pegxy-radius-sm);
    font-size: 14px;
    font-family: var(--pegxy-font);
    color: var(--pegxy-text);
    background: var(--pegxy-card-bg);
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M2.22 4.47a.75.75 0 011.06 0L6 7.19l2.72-2.72a.75.75 0 011.06 1.06l-3.25 3.25a.75.75 0 01-1.06 0L2.22 5.53a.75.75 0 010-1.06z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: border-color var(--pegxy-transition), box-shadow var(--pegxy-transition);
}

.pegxy-category-dropdown:focus {
    border-color: var(--pegxy-accent);
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.12);
}

/* Category Pills */
.pegxy-category-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.pegxy-pill {
    padding: 6px 16px;
    border: 1px solid var(--pegxy-border);
    border-radius: 100px;
    font-size: 13px;
    font-family: var(--pegxy-font);
    font-weight: 500;
    color: var(--pegxy-text-muted);
    background: var(--pegxy-card-bg);
    cursor: pointer;
    transition: all var(--pegxy-transition);
    white-space: nowrap;
    outline: none;
    line-height: 1.4;
}

.pegxy-pill:hover {
    border-color: var(--pegxy-accent);
    color: var(--pegxy-accent);
    background: var(--pegxy-accent-light);
}

.pegxy-pill-active {
    border-color: var(--pegxy-accent);
    color: #fff;
    background: var(--pegxy-accent);
}

.pegxy-pill-active:hover {
    background: var(--pegxy-accent-hover);
    color: #fff;
}

/* Results Count */
.pegxy-results-count {
    font-size: 13px;
    color: var(--pegxy-text-light);
    font-weight: 400;
}

/* ============================================
   Gallery Grid
   ============================================ */
.pegxy-gallery-grid {
    display: grid;
    grid-template-columns: repeat(var(--pegxy-columns, 3), 1fr);
    gap: var(--pegxy-gap);
}

/* ============================================
   Gallery Card
   ============================================ */
.pegxy-card {
    background: var(--pegxy-card-bg);
    border: 1px solid var(--pegxy-border-light);
    border-radius: var(--pegxy-radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--pegxy-transition), box-shadow var(--pegxy-transition), border-color var(--pegxy-transition);
    box-shadow: var(--pegxy-shadow);
    outline: none;
    animation: pegxyFadeInUp 0.4s ease both;
}

.pegxy-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--pegxy-shadow-md);
    border-color: var(--pegxy-border);
}

.pegxy-card:focus-visible {
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.25);
    border-color: var(--pegxy-accent);
}

/* Card Thumbnail */
.pegxy-card-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 7 / 9;
    overflow: hidden;
    background: var(--pegxy-bg);
}

.pegxy-card-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    transform: translateY(0);
    transition: top 5s ease-in-out, transform 5s ease-in-out;
    transform-origin: top center;
}

.pegxy-card:hover .pegxy-card-thumb img {
    top: 100%;
    transform: translateY(-100%);
}

/* Card Placeholder (no image) */
.pegxy-card-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pegxy-text-light);
    background: var(--pegxy-bg);
}

/* Hover Overlay */
.pegxy-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    opacity: 0;
    transition: opacity var(--pegxy-transition);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    pointer-events: none;
}

.pegxy-card:hover .pegxy-card-overlay {
    opacity: 1;
}

/* Card Info */
.pegxy-card-info {
    padding: 14px 16px 16px;
}

.pegxy-card-title {
    margin: 0 0 6px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--pegxy-text);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pegxy-card-category {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 500;
    color: var(--pegxy-accent);
    background: var(--pegxy-accent-light);
    letter-spacing: 0.2px;
}

/* ============================================
   No Results
   ============================================ */
.pegxy-no-results {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--pegxy-text-light);
    text-align: center;
}

.pegxy-no-results p {
    margin-top: 12px;
    font-size: 15px;
}

/* ============================================
   Load More Button
   ============================================ */
.pegxy-load-more-wrap {
    display: flex;
    justify-content: center;
    margin-top: 36px;
}

.pegxy-load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border: 2px solid var(--pegxy-accent);
    border-radius: var(--pegxy-radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--pegxy-font);
    color: var(--pegxy-accent);
    background: transparent;
    cursor: pointer;
    transition: all var(--pegxy-transition);
    outline: none;
}

.pegxy-load-more-btn:hover {
    background: var(--pegxy-accent);
    color: #fff;
}

.pegxy-load-more-btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.25);
}

.pegxy-load-more-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.pegxy-btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Spinner */
.pegxy-spinner {
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 18px !important;
    height: 18px !important;
    animation: pegxySpin 0.8s linear infinite !important;
}

.pegxy-spinner-lg {
    width: 32px !important;
    height: 32px !important;
}

/* ============================================
   Modal / Popup Preview
   ============================================ */
.pegxy-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.pegxy-modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.pegxy-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.82);
    cursor: pointer;
}

.pegxy-modal-container {
    position: relative;
    width: 95vw;
    height: 90vh;
    max-width: 1400px;
    background: var(--pegxy-card-bg);
    border-radius: var(--pegxy-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--pegxy-shadow-lg);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pegxy-modal[aria-hidden="false"] .pegxy-modal-container {
    transform: scale(1);
}

/* Modal Header */
.pegxy-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--pegxy-border-light);
    background: var(--pegxy-card-bg);
    flex-shrink: 0;
}

.pegxy-modal-close {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 36px !important;
    height: 36px !important;
    padding: 0 !important;
    border: 1px solid #d1d5db !important;
    border-radius: 6px !important;
    background-color: #f3f4f6 !important;
    color: #4b5563 !important;
    cursor: pointer !important;
    transition: all 0.2s ease-in-out !important;
    flex-shrink: 0 !important;
    outline: none !important;
    box-shadow: none !important;
}

.pegxy-modal-close:hover,
.pegxy-modal-close:focus {
    color: #111827 !important;
    background-color: #e5e7eb !important;
    border-color: #9ca3af !important;
}

.pegxy-modal-close svg {
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 20px !important;
    height: 20px !important;
    pointer-events: none !important;
}

html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header button.pegxy-modal-close svg,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header button.pegxy-modal-close svg * {
    stroke: #4b5563 !important;
    fill: none !important;
    color: #4b5563 !important;
}

html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header button.pegxy-modal-close:hover svg,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header button.pegxy-modal-close:hover svg *,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header button.pegxy-modal-close:focus svg,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header button.pegxy-modal-close:focus svg * {
    stroke: #111827 !important;
    fill: none !important;
    color: #111827 !important;
}

.pegxy-modal-title {
    flex: 1;
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--pegxy-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Responsive Buttons */
.pegxy-responsive-btns {
    display: flex !important;
    gap: 4px !important;
    flex-shrink: 0 !important;
    background-color: #e5e7eb !important;
    border-radius: 8px !important;
    padding: 4px !important;
    border: 1px solid #d1d5db !important;
}

.pegxy-resp-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 36px !important;
    height: 32px !important;
    padding: 0 !important;
    border: 1px solid transparent !important;
    border-radius: 6px !important;
    background-color: transparent !important;
    color: #4b5563 !important;
    cursor: pointer !important;
    transition: all 0.2s ease-in-out !important;
    outline: none !important;
    box-shadow: none !important;
}

.pegxy-resp-btn:hover {
    color: #111827 !important;
    background-color: rgba(255, 255, 255, 0.5) !important;
}

.pegxy-resp-active,
.pegxy-resp-btn.pegxy-resp-active:hover {
    color: #111827 !important;
    background-color: #ffffff !important;
    border-color: #d1d5db !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
}

.pegxy-resp-btn svg {
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    width: 20px !important;
    height: 20px !important;
    pointer-events: none !important;
}

html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header .pegxy-responsive-btns button.pegxy-resp-btn svg,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header .pegxy-responsive-btns button.pegxy-resp-btn svg * {
    stroke: #4b5563 !important;
    fill: none !important;
    color: #4b5563 !important;
}

html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header .pegxy-responsive-btns button.pegxy-resp-btn:hover svg,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header .pegxy-responsive-btns button.pegxy-resp-btn:hover svg *,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header .pegxy-responsive-btns button.pegxy-resp-active svg,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header .pegxy-responsive-btns button.pegxy-resp-active svg *,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header .pegxy-responsive-btns button.pegxy-resp-btn.pegxy-resp-active:hover svg,
html body .pegxy-gallery-wrapper .pegxy-modal .pegxy-modal-container .pegxy-modal-header .pegxy-responsive-btns button.pegxy-resp-btn.pegxy-resp-active:hover svg * {
    stroke: #111827 !important;
    fill: none !important;
    color: #111827 !important;
}

/* Modal Body */
.pegxy-modal-body {
    flex: 1;
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background: var(--pegxy-bg);
    overflow: hidden;
    padding: 16px;
}

.pegxy-iframe-wrap {
    width: 100%;
    height: 100%;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: var(--pegxy-card-bg);
    border-radius: var(--pegxy-radius-sm);
    overflow: hidden;
    box-shadow: var(--pegxy-shadow);
}

.pegxy-iframe-wrap iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
    background: #fff;
}

/* Iframe Loader */
.pegxy-iframe-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--pegxy-text-light);
    background: var(--pegxy-bg);
    z-index: 2;
    transition: opacity 0.3s ease;
}

.pegxy-iframe-loader p {
    font-size: 14px;
    margin: 0;
}

.pegxy-iframe-loader.pegxy-hidden {
    opacity: 0;
    pointer-events: none;
}

/* ============================================
   Animations
   ============================================ */
@keyframes pegxyFadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pegxySpin {
    to {
        transform: rotate(360deg);
    }
}

/* Stagger animation for cards */
.pegxy-card:nth-child(1)  { animation-delay: 0.00s; }
.pegxy-card:nth-child(2)  { animation-delay: 0.05s; }
.pegxy-card:nth-child(3)  { animation-delay: 0.10s; }
.pegxy-card:nth-child(4)  { animation-delay: 0.12s; }
.pegxy-card:nth-child(5)  { animation-delay: 0.15s; }
.pegxy-card:nth-child(6)  { animation-delay: 0.18s; }
.pegxy-card:nth-child(7)  { animation-delay: 0.20s; }
.pegxy-card:nth-child(8)  { animation-delay: 0.22s; }
.pegxy-card:nth-child(9)  { animation-delay: 0.25s; }
.pegxy-card:nth-child(10) { animation-delay: 0.27s; }
.pegxy-card:nth-child(11) { animation-delay: 0.30s; }
.pegxy-card:nth-child(12) { animation-delay: 0.32s; }

/* Body scroll lock when modal is open */
body.pegxy-modal-open {
    overflow: hidden;
}

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

/* Tablet */
@media (max-width: 1023px) {
    .pegxy-gallery-wrapper {
        padding: 0 12px;
    }

    :root {
        --pegxy-gap: 16px;
    }
}

/* Smartphone */
@media (max-width: 767px) {
    .pegxy-gallery-grid {
        grid-template-columns: repeat(var(--pegxy-columns-mobile, 2), 1fr);
    }

    :root {
        --pegxy-gap: 12px;
    }

    .pegxy-filter-controls {
        flex-direction: column;
    }

    .pegxy-category-dropdown-wrap {
        min-width: 100%;
    }

    .pegxy-category-pills {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
        scrollbar-width: none;
    }

    .pegxy-category-pills::-webkit-scrollbar {
        display: none;
    }

    .pegxy-card-info {
        padding: 10px 12px 12px;
    }

    .pegxy-card-title {
        font-size: 13px;
    }

    .pegxy-card-category {
        font-size: 10px;
    }

    /* Modal adjustments */
    .pegxy-modal-container {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
    }

    .pegxy-modal-header {
        padding: 10px 14px;
    }

    .pegxy-modal-title {
        font-size: 13px;
    }

    .pegxy-modal-body {
        padding: 8px;
    }

    .pegxy-responsive-btns {
        padding: 2px;
    }

    .pegxy-resp-btn {
        width: 32px;
        height: 28px;
    }

    .pegxy-load-more-btn {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
    }
}