.project-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top, rgba(12, 24, 52, 0.75), rgba(0, 0, 0, 0.88));
    z-index: 99990;
    display: none;
    align-items: flex-start;
    justify-content: center;
    backdrop-filter: blur(7px);
    padding-top: 5vh;
    overflow-y: auto;
    gap: 16px;
}

.project-popup-container {
    background: linear-gradient(160deg, #ffffff 0%, #f7faff 100%);
    color: #24324a;
    border-radius: 18px;
    width: 100%;
    max-width: 980px;
    height: 90vh;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(191, 207, 239, 0.45);
    overflow: hidden;
    margin-bottom: 5vh;
}

.project-popup-close {
    position: fixed;
    top: 15px;
    right: 20px;
    font-size: 30px;
    color: #fff;
    cursor: pointer;
    line-height: 1;
    z-index: 100000;
    background: rgba(15, 29, 61, 0.6);
    border: 1px solid rgba(255,255,255,0.24);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-popup-main {
    padding: 28px 30px;
    overflow-y: auto;
    text-align: left;
}

/* Custom scrollbar */
.project-popup-main::-webkit-scrollbar { width: 8px; }
.project-popup-main::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
.project-popup-main::-webkit-scrollbar-track { background: #f5f7fb; }

.project-popup-main h2 {
    margin-top: 0;
    color: #22304d;
    font-size: 1.6em;
    margin-bottom: 20px;
}

.project-popup-main .project-content.has-project-body {
    margin-bottom: 22px;
    line-height: 1.8;
    color: #445777;
    font-size: 15px;
    background: #fff;
    border: 1px solid #e5edfb;
    border-radius: 14px;
    padding: 14px 16px;
}
.project-popup-main .project-content.has-project-body p { color: #52607a; } /* Đảm bảo các thẻ p cũng có màu chữ đúng */

.project-popup-main .project-gallery .list-image {
    column-gap: 15px;
}

.project-popup-main .project-gallery .image-item {
    margin-bottom: 15px;
    break-inside: avoid;
}

.project-popup-main .project-gallery .image-item img {
    width: 100%;
    border-radius: 8px;
    display: block;
}

/* Bổ sung CSS cho thư viện ảnh trong popup */
.project-popup-main .project-gallery .list-image {
    /* Các thuộc tính column-count và column-gap sẽ được JS thêm vào */
}

.project-popup-main .project-gallery .image-item {
    /* Quan trọng: Ngăn ảnh bị cắt ngang giữa các cột */
    break-inside: avoid;
    /* Hiệu ứng khi di chuột */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(16, 33, 66, 0.1);
}

.project-popup-main .profile-image .portfolio-item-display,
.project-popup-main .profile-image .portfolio-item-display img,
.project-popup-main .project-gallery .image-item a,
.project-popup-main .project-gallery .image-item img {
    cursor: pointer;
}

.project-popup-main .project-gallery .image-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 22px rgba(16, 33, 66, 0.15);
}

.project-popup-main .project-gallery .image-item img {
    width: 100%;
    height: auto;
    display: block; /* Đảm bảo ảnh không có khoảng trống thừa bên dưới */
    border-radius: 12px;
}

/* CSS cho phần header của popup */
.project-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
    padding: 14px;
    border: 1px solid rgba(129, 160, 230, 0.25);
    border-radius: 16px;
    background: linear-gradient(152deg, #ffffff 0%, #f7faff 55%, #eef4ff 100%);
    box-shadow: 0 10px 22px rgba(21, 52, 122, 0.08);
}

.popup-author-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.popup-author-details {
    min-width: 0;
}

.popup-author-info img.avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 8px 20px rgba(19, 52, 122, 0.22);
}

.popup-author-avatar-shell {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(145deg, #8db5ff 0%, #2f64dd 100%);
    flex-shrink: 0;
}

.popup-author-details h2 {
    margin: 0;
    font-size: 1.08em;
    color: #22304d;
    max-width: 460px;
}

.popup-author-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 5px;
    min-width: 0;
}

.popup-author-title-row h2 {
    flex: 1;
    min-width: 0;
    max-width: 100%;
    white-space: normal;
    overflow: hidden;
    text-overflow: unset;
}

.popup-author-title-row .author-follow-btn {
    flex-shrink: 0;
}

.project-popup-header .author-follow-btn {
    background: rgba(255, 255, 255, 0.88);
    color: #2b4f9a;
    border: 1px solid #c3d4fb;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.project-popup-header .author-follow-btn.saved,
.project-popup-header .author-follow-btn:hover {
    background: linear-gradient(45deg, #0088fd 0%, #003bff 50%, #001faa 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 14px rgba(0, 59, 255, 0.22);
}

.project-popup-header .author-follow-btn .follow-icon {
    display: none;
}

@media (max-width: 600px) {
    .project-popup-header .author-follow-btn .text {
        display: none;
    }
    .project-popup-header .author-follow-btn .follow-icon {
        display: inline-block;
    }
}

.popup-author-details a {
    display: block;
    margin-top: 6px;
    color: #52607a;
    text-decoration: none;
    font-size: 0.9em;
}
.popup-author-details a:hover {
    color: #1947c4;
}

.popup-actions .action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    border-radius: 20px;
    text-decoration: none;
    margin-left: 0;
    background-color: #eef3fb;
    color: #5f6f8e;
    border: 1px solid #dce6f8;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.2;
    transition: all 0.25s ease;
}

.popup-actions .action-btn:hover {
    color: #fff;
    background: linear-gradient(45deg, #0088fd 0%, #003bff 50%, #001faa 100%);
    border-color: transparent;
    box-shadow: 0 10px 16px rgba(0, 59, 255, 0.2);
    transform: translateY(-1px);
}

.popup-actions .action-btn.active {
    color: #fff;
    background: linear-gradient(45deg, #0088fd 0%, #003bff 50%, #001faa 100%);
    border-color: transparent;
    box-shadow: 0 10px 16px rgba(0, 59, 255, 0.2);
}

#projectPopup .popup-project-grid {
    padding: 0 !important;
}

.project-popup-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid #d9e2f4;
    background: #eef4ff;
    color: #1947c4;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 12px;
    cursor: pointer;
    margin-bottom: 14px;
}

.popup-actions {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
    align-self: flex-start;
}

.project-popup-footer {
    padding: 12px 30px;
    border-top: 1px solid #dfebff;
    background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
    text-align: right;
}

.copy-link-btn-footer {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    align-self: center;
    min-width: 118px;
    background: #1947c4;
    color: #fff;
    border: 1px solid #1947c4;
    padding: 6px 12px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    transition: all 0.2s ease;
}

.copy-link-btn-footer:hover {
    background: #123593;
    border-color: #123593;
    color: #fff;
    transform: translateY(-1px);
}

.copy-link-btn-footer.is-copied {
    background: #16a34a;
    border-color: #16a34a;
}

.copy-link-btn-footer.is-error {
    background: #dc2626;
    border-color: #dc2626;
}

.copy-link-btn-footer .copy-btn-label {
    line-height: 1;
}

.popup-footer-stats {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #52607a;
}
.popup-footer-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: inherit;
    border-radius: 999px;
    padding: 3px 9px;
    background: #eef3ff;
    border: 1px solid #dde7fd;
    text-decoration: none;
}

.popup-footer-stats .project-likes {
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
}

.popup-footer-stats .project-likes:hover,
.popup-footer-stats .project-likes.liked {
    color: #e74c3c;
}

.popup-author-details .label {
    background: linear-gradient(45deg, #0088fd 0%, #003bff 50%, #001faa 100%);
    font-size: 13px;
    padding: 1px 6px;
    border-radius: 5px;
    color: #fff;
    display: inline-block;
    margin-right: 5px;
    box-shadow: 0 6px 14px rgba(0, 59, 255, 0.28);
}

.popup-author-meta-line {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #4f648f;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(172, 194, 238, 0.38);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    line-height: 1.2;
    margin-top: 4px;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.popup-author-meta-line i {
    color: #2a5ec5;
    font-size: 11px;
}
/* Ẩn footer ban đầu */
.project-popup-footer {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
    /* Thêm flex để căn chỉnh */
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
/* ===== Responsive cho Popup trên Mobile ===== */
@media (max-width: 767px) {
    .project-popup-overlay {
        padding: 0; /* Thêm dòng này */
    }
    .project-popup-container {
        width: 100%;
        max-width: 100%;
        height: 100%;
        max-height: 100%; /* Thêm dòng này */
        border-radius: 0;
        border: none;
    }

    .project-popup-main {
        padding: 22px 16px;
    }
    .project-popup-footer {
        padding: 10px 16px;
        text-align: center;
        gap: 10px; /* Thêm khoảng cách khi xuống dòng */
    }

    .copy-link-btn-footer {
        min-width: 104px;
        padding: 5px 10px;
        font-size: 11px;
        gap: 5px;
    }

    .project-popup-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 12px;
    }

    .popup-author-details h2 {
        font-size: 1em;
    }

    .popup-actions {
        width: 100%;
        display: flex;
        justify-content: flex-start; /* Căn các nút về bên trái */
        flex-wrap: wrap;
        gap: 6px;
    }

    .popup-actions .action-btn {
        margin-left: 0;
        min-height: 30px;
        padding: 0 12px;
        font-size: 12px;
        font-weight: 600;
        border-radius: 999px;
        line-height: 1.15;
        box-shadow: none;
    }

    .popup-actions .action-btn.active {
        box-shadow: 0 2px 6px rgba(0, 59, 255, 0.14);
    }

    .popup-actions .action-btn:hover {
        transform: none;
        box-shadow: 0 2px 6px rgba(0, 59, 255, 0.14);
    }

    .project-popup-close {
        top: 10px;
        right: 10px;
        font-size: 28px;
        width: 32px;
        height: 32px;
    }

    /* Sync project card UI in popup with list mobile card */
    .project-popup-main .popup-project-grid {
        gap: 10px;
    }
    .project-popup-main .popup-project-grid .project-item {
        border-radius: 11px;
        box-shadow: 0 4px 14px rgba(21, 58, 134, 0.08);
    }
    .project-popup-main .popup-project-grid .project-thumb-link {
        border-radius: 11px 11px 0 0;
    }
    .project-popup-main .popup-project-grid .project-thumb-wrapper {
        padding-top: 58%;
    }
    .project-popup-main .popup-project-grid .project-title-overlay {
        font-size: 11px;
        line-height: 1.25;
        padding: 7px 8px 6px 8px;
    }
    .project-popup-main .popup-project-grid .project-meta {
        gap: 6px;
        padding: 6px 7px 7px;
        font-size: 11px;
    }
    .project-popup-main .popup-project-grid .project-meta .project-author {
        gap: 4px;
        max-width: calc(100% - 90px);
    }
    .project-popup-main .popup-project-grid .project-meta .project-author .label {
        font-size: 8px;
        padding: 2px 4px;
    }
    .project-popup-main .popup-project-grid .project-meta-stats {
        gap: 4px;
    }
    .project-popup-main .popup-project-grid .project-views-inline,
    .project-popup-main .popup-project-grid .project-likes {
        padding: 1px 6px;
        font-size: 11px;
        gap: 3px;
    }
}

@media (max-width: 430px) {
    .popup-actions {
        gap: 4px;
    }
    .popup-actions .action-btn {
        min-height: 28px;
        padding: 0 10px;
        font-size: 11px;
    }

    .project-popup-main .popup-project-grid {
        gap: 8px;
    }
    .project-popup-main .popup-project-grid .project-item {
        border-radius: 10px;
    }
    .project-popup-main .popup-project-grid .project-thumb-link {
        border-radius: 10px 10px 0 0;
    }
    .project-popup-main .popup-project-grid .project-thumb-wrapper {
        padding-top: 56%;
    }
    .project-popup-main .popup-project-grid .project-title-overlay {
        font-size: 10px;
        padding: 6px 7px 5px 7px;
    }
    .project-popup-main .popup-project-grid .project-meta {
        padding: 5px 6px 6px;
        font-size: 10px;
    }
    .project-popup-main .popup-project-grid .project-meta .project-author {
        max-width: calc(100% - 82px);
    }
    .project-popup-main .popup-project-grid .project-views-inline,
    .project-popup-main .popup-project-grid .project-likes {
        font-size: 10px;
        padding: 1px 5px;
    }
}