/**
 * Gallery Frontend Styles
 * 
 * @package Uni_Paint_Simulator
 * @since 1.8.0
 */

.uni-wrap-gallery {
    --gallery-columns-desktop: 4;
    --gallery-columns: var(--gallery-columns-desktop);
    --gallery-gap: 20px;
    --gallery-radius: 16px;
    --uni-gallery-action-bg: #d7e6ee;
    --uni-gallery-primary: #0F4C81;
    padding: 20px 0;
    width: 100%;
    max-width: none;
}

.uni-wrap-gallery[data-columns="2"] { --gallery-columns-desktop: 2; }
.uni-wrap-gallery[data-columns="3"] { --gallery-columns-desktop: 3; }
.uni-wrap-gallery[data-columns="4"] { --gallery-columns-desktop: 4; }
.uni-wrap-gallery[data-columns="5"] { --gallery-columns-desktop: 5; }
.uni-wrap-gallery[data-columns="6"] { --gallery-columns-desktop: 6; }

.uni-wrap-gallery-empty {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--gallery-radius);
}

.uni-wrap-gallery-empty p {
    font-size: 16px;
    color: #6c757d;
    margin: 0;
}

.uni-wrap-gallery-grid {
    width: 100%;
    max-width: none;
    column-count: var(--gallery-columns) !important;
    column-gap: var(--gallery-gap) !important;
}

.uni-wrap-gallery-item {
    display: inline-block;
    width: 100%;
    margin: 0 0 var(--gallery-gap);
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    background: #fff;
    border-radius: var(--gallery-radius);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    will-change: transform;
}

.uni-wrap-gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 16px;
    padding: 8px 0;
}

.uni-wrap-gallery-filter {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: #f1f3f5;
    color: #343a40;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.uni-wrap-gallery-filter:hover {
    background: #e9ecef;
    color: #141417;
    transform: translateY(-1px);
}

.uni-wrap-gallery-filter.is-active {
    background: #141417;
    color: #fff;
}

@media (max-width: 1200px) {
    .uni-wrap-gallery { --gallery-columns: 3; }
}

@media (max-width: 768px) {
    .uni-wrap-gallery { --gallery-columns: 2; }
}

@media (max-width: 480px) {
    .uni-wrap-gallery {
        --gallery-columns: 2;
        --gallery-gap: 12px;
    }
}

.uni-wrap-gallery-item:hover {
    position: relative;
    z-index: 2;
    transform: translateY(-8px);
    box-shadow: 0 18px 60px rgba(0,0,0,0.14);
}

.uni-wrap-gallery-thumb {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: #fff;
}

.uni-wrap-gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.uni-wrap-gallery-item:hover .uni-wrap-gallery-thumb img {
    transform: scale(1.1);
}

.uni-wrap-gallery-info {
    padding: 12px 16px;
    background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
}

.uni-wrap-gallery-model {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 4px;
}

.uni-wrap-gallery-author {
    display: block;
    font-size: 12px;
    color: #6c757d;
}

.uni-wrap-gallery-desc {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.45;
    color: #495057;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    overflow: hidden;
    opacity: 0;
    max-height: 0;
    margin-top: 0;
    transition: opacity 0.25s ease, max-height 0.25s ease, margin-top 0.25s ease;
}

.uni-wrap-gallery-item:hover .uni-wrap-gallery-desc,
.uni-wrap-gallery-item:focus-within .uni-wrap-gallery-desc {
    opacity: 1;
    max-height: 96px;
    margin-top: 8px;
}

/* 卡片底部區域 - 參考現代卡片設計 */
.uni-wrap-gallery-actions {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 5px;
    padding: 0.65rem 0.75rem;
    background: var(--uni-gallery-action-bg);
    border-top: 1px solid rgba(0,0,0,0.06);
    border-radius: 0 0 0.5rem 0.5rem;
}

@media (max-width: 480px) {
    .uni-wrap-gallery-actions {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        padding: 0.6rem 0.65rem;
    }
}

/* 按讚區域 */
.uni-wrap-gallery-like {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    height: 38px;
    padding: 0 14px;
    background: var(--uni-gallery-action-bg);
    border: 2px solid rgba(255,255,255,0.55);
    border-radius: 999px;
    box-shadow: inset 4px 4px 10px rgba(0,0,0,0.12), inset -4px -4px 10px rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 700;
    color: #2f3b45;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-right: auto;
}

.uni-wrap-gallery-like:active {
    transform: translateY(1px);
    box-shadow: inset 2px 2px 6px rgba(0,0,0,0.14), inset -2px -2px 6px rgba(255,255,255,0.9);
}

.uni-wrap-gallery-like .like-icon {
    color: rgba(15,76,129,0.55);
    font-size: 16px;
    line-height: 1;
}

.uni-wrap-gallery-like.is-liked .like-icon {
    color: var(--uni-gallery-primary);
}

.uni-wrap-gallery-like.is-liked {
    color: #1c2c38;
    cursor: default;
}

@media (max-width: 480px) {
    .uni-wrap-gallery-like {
        height: 34px;
        padding: 0 12px;
        font-size: 13px;
    }
    .uni-wrap-gallery-actions {
        padding: 0.6rem 0.65rem;
        gap: 0.55rem;
    }
}

@media (hover: none) {
    .uni-wrap-gallery-desc {
        opacity: 1;
        max-height: none;
        margin-top: 8px;
        line-clamp: 2;
        -webkit-line-clamp: 2;
    }
}

.uni-wrap-gallery-like:hover:not(.is-liked):not(:disabled) {
    box-shadow: inset 2px 2px 6px rgba(0,0,0,0.10), inset -2px -2px 6px rgba(255,255,255,0.9), 2px 2px 6px rgba(0,0,0,0.10), -2px -2px 6px rgba(255,255,255,0.9);
}

.uni-wrap-gallery-like .like-count {
    min-width: 1.5rem;
}

@media (max-width: 480px) {
    .uni-wrap-gallery-like {
        padding: 0 10px;
        gap: 0.4rem;
    }

    .uni-wrap-gallery-like .like-count {
        min-width: 0;
    }
}

.uni-wrap-gallery-like.is-liked {
    color: #e53935;
    cursor: default;
}

.uni-wrap-gallery-like.is-liked .like-icon {
    animation: heartBeat 0.6s ease;
}

/* Neumorphism 圓形按鈕（分享 / 下載） */
.uni-wrap-gallery-share,
.uni-wrap-gallery-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    background: var(--uni-gallery-action-bg);
    border: 2px solid rgba(255,255,255,0.55);
    border-radius: 50%;
    aspect-ratio: 1 / 1;
    flex: 0 0 auto;
    color: var(--uni-gallery-primary);
    cursor: pointer;
    box-sizing: border-box;
    box-shadow: inset 4px 4px 10px rgba(0,0,0,0.12), inset -4px -4px 10px rgba(255,255,255,0.85);
    transition: all 0.2s ease-in-out;
}

/* 桌機：強制正圓（避免被主題 button 樣式覆寫導致視覺變形） */
@media (min-width: 481px) {
    .uni-wrap-gallery .uni-wrap-gallery-actions .uni-wrap-gallery-share,
    .uni-wrap-gallery .uni-wrap-gallery-actions .uni-wrap-gallery-download {
        width: 38px;
        height: 38px;
        padding: 0;
        min-height: 0 !important;
        min-width: 0 !important;
        border-radius: 50%;
        aspect-ratio: 1 / 1;
        line-height: 1;
    }
}

.uni-wrap-gallery-share:hover,
.uni-wrap-gallery-download:hover {
    box-shadow: inset 2px 2px 6px rgba(0,0,0,0.12), inset -2px -2px 6px rgba(255,255,255,0.85), 2px 2px 6px rgba(0,0,0,0.10), -2px -2px 6px rgba(255,255,255,0.9);
}

.uni-wrap-gallery-share:active,
.uni-wrap-gallery-download:active {
    transform: translateY(1px);
    box-shadow: inset 2px 2px 6px rgba(0,0,0,0.14), inset -2px -2px 6px rgba(255,255,255,0.9);
}

.uni-wrap-gallery-share svg,
.uni-wrap-gallery-download svg {
    display: block;
}

@media (max-width: 480px) {
    .uni-wrap-gallery-share,
    .uni-wrap-gallery-download {
        width: 40px;
        height: 34px;
        border-radius: 999px;
        aspect-ratio: auto;
    }
}

/* 載入狀態 */
.uni-wrap-gallery-like.is-loading,
.uni-wrap-gallery-download.is-loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 動畫效果 */
@keyframes heartBeat {
    0% { transform: scale(1); }
    15% { transform: scale(1.3); }
    30% { transform: scale(1); }
    45% { transform: scale(1.2); }
    60% { transform: scale(1); }
}

.uni-wrap-gallery-like.like-animation .like-icon {
    animation: heartBeat 0.6s ease;
}

.uni-wrap-gallery-more {
    text-align: center;
    margin-top: 40px;
}

.uni-wrap-gallery-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.uni-wrap-gallery-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border-radius: 12px;
    background: #fff;
    color: #141417;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.uni-wrap-gallery-page:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.10);
}

.uni-wrap-gallery-page.is-active {
    background: #141417;
    color: #fff;
}

.uni-wrap-gallery-page.is-disabled {
    opacity: 0.5;
    pointer-events: none;
    transform: none;
    box-shadow: none;
}

.uni-wrap-gallery-load-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.uni-wrap-gallery-load-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.uni-wrap-gallery-load-more:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Lightbox */
.uni-wrap-gallery-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.uni-wrap-gallery-lightbox.is-active {
    opacity: 1;
    visibility: visible;
}

.uni-wrap-gallery-lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.95);
    cursor: pointer;
}

.uni-wrap-gallery-lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
    z-index: 1;
}

.uni-wrap-gallery-lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.uni-wrap-gallery-lightbox-info {
    margin-top: 16px;
    text-align: center;
    color: #fff;
}

.uni-wrap-gallery-lightbox-info .lightbox-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.uni-wrap-gallery-lightbox-info .lightbox-subtitle {
    font-size: 14px;
    opacity: 0.7;
}

.uni-wrap-gallery-lightbox-close {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    z-index: 2;
}

.uni-wrap-gallery-lightbox-close:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1);
}

/* Share Modal in Wrap Editor */
.uni-wrap-share-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.uni-wrap-share-modal.is-active {
    opacity: 1;
    visibility: visible;
}

.uni-wrap-share-modal-content {
    background: #fff;
    border-radius: 20px;
    padding: 32px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 25px 80px rgba(0,0,0,0.3);
    transform: translateY(20px);
    transition: transform 0.3s;
}

.uni-wrap-share-modal.is-active .uni-wrap-share-modal-content {
    transform: translateY(0);
}

.uni-wrap-share-modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.uni-wrap-share-modal-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.uni-wrap-share-modal-icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
}

.uni-wrap-share-modal-title {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 8px;
}

.uni-wrap-share-modal-desc {
    font-size: 14px;
    color: #6c757d;
    margin: 0;
}

.uni-wrap-share-modal-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.uni-wrap-share-modal-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.uni-wrap-share-modal-field label {
    font-size: 13px;
    font-weight: 600;
    color: #495057;
}

.uni-wrap-share-modal-field input,
.uni-wrap-share-modal-field textarea {
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.uni-wrap-share-modal-field input:focus,
.uni-wrap-share-modal-field textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.uni-wrap-share-modal-field textarea {
    resize: vertical;
    min-height: 80px;
}

.uni-wrap-share-modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.uni-wrap-share-modal-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.uni-wrap-share-modal-btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.uni-wrap-share-modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.uni-wrap-share-modal-btn-secondary {
    background: #f8f9fa;
    color: #495057;
}

.uni-wrap-share-modal-btn-secondary:hover {
    background: #e9ecef;
}

.uni-wrap-share-modal-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.uni-wrap-share-modal-success {
    text-align: center;
    padding: 20px 0;
}

.uni-wrap-share-modal-success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.uni-wrap-share-modal-success-icon svg {
    width: 40px;
    height: 40px;
    color: #fff;
}

.uni-wrap-share-modal-success h3 {
    font-size: 20px;
    color: #1a1a2e;
    margin: 0 0 8px;
}

.uni-wrap-share-modal-success p {
    font-size: 14px;
    color: #6c757d;
    margin: 0;
}