.project-lightbox-trigger {
    cursor: zoom-in;
}

.project-lightbox-frame {
    position: relative;
    display: inline-block;
    max-width: 100%;
    border-radius: var(--border-radius, 12px);
}

.card-img-container .project-lightbox-frame,
.conversation-card .project-lightbox-frame,
.feature-card .project-lightbox-frame,
.image-card .project-lightbox-frame {
    display: block;
}

.project-lightbox-frame::after {
    content: 'Click to view';
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 2;
    padding: 0.48rem 0.78rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary-color, #2563eb), var(--secondary-color, #10b981));
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.26), 0 4px 14px rgba(0, 0, 0, 0.24);
    opacity: 0;
    transform: translateY(7px);
    transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    pointer-events: none;
}

.project-lightbox-frame:hover::after,
.project-lightbox-frame:focus-within::after {
    opacity: 1;
    transform: translateY(0);
}

.project-lightbox-frame:hover::after,
.project-lightbox-frame:focus-within::after {
    box-shadow: 0 16px 34px rgba(37, 99, 235, 0.36), 0 7px 18px rgba(0, 0, 0, 0.28);
}

:root.light-mode .project-lightbox-frame::after {
    background: linear-gradient(135deg, var(--primary-color, #10b981), var(--secondary-color, #2563eb));
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.92);
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.24), 0 5px 16px rgba(15, 23, 42, 0.18);
}

.project-lightbox-trigger:focus-visible {
    outline: 3px solid var(--primary-color, #2563eb);
    outline-offset: 4px;
}

.project-lightbox {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: grid;
    place-items: center;
    padding: clamp(1rem, 4vw, 3rem);
    background:
        radial-gradient(circle at 15% 20%, rgba(16, 185, 129, 0.22), transparent 30%),
        radial-gradient(circle at 80% 75%, rgba(37, 99, 235, 0.22), transparent 32%),
        rgba(2, 6, 23, 0.88);
    backdrop-filter: blur(14px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
}

:root.light-mode .project-lightbox {
    background:
        radial-gradient(circle at 15% 20%, rgba(16, 185, 129, 0.2), transparent 30%),
        radial-gradient(circle at 80% 75%, rgba(37, 99, 235, 0.18), transparent 32%),
        rgba(248, 250, 252, 0.84);
}

.project-lightbox.is-open {
    opacity: 1;
    pointer-events: auto;
}

.project-lightbox__panel {
    position: relative;
    width: min(1120px, 100%);
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transform: scale(0.96) translateY(12px);
    transition: transform 0.22s ease;
}

.project-lightbox.is-open .project-lightbox__panel {
    transform: scale(1) translateY(0);
}

.project-lightbox__image {
    width: 100%;
    max-height: 82vh;
    object-fit: contain;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

:root.light-mode .project-lightbox__image {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(15, 23, 42, 0.16);
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.24);
}

.project-lightbox__caption {
    margin: 0;
    color: #f8fafc;
    text-align: center;
    font-size: clamp(0.9rem, 2vw, 1rem);
    font-weight: 600;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

:root.light-mode .project-lightbox__caption {
    color: #0f172a;
    text-shadow: 0 2px 12px rgba(255, 255, 255, 0.72);
}

.project-lightbox__close {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color, #2563eb), var(--secondary-color, #10b981));
    color: #ffffff;
    font-size: 1.15rem;
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.34);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-lightbox__close:hover,
.project-lightbox__close:focus-visible {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.42);
}

.project-lightbox-open {
    overflow: hidden;
}

@media (max-width: 640px) {
    .project-lightbox-frame::after {
        right: 10px;
        bottom: 10px;
        font-size: 0.7rem;
        opacity: 1;
        transform: translateY(0);
    }

    .project-lightbox {
        padding: 0.75rem;
    }

    .project-lightbox__close {
        top: 8px;
        right: 8px;
    }

    .project-lightbox__image {
        max-height: 78vh;
        border-radius: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .project-lightbox,
    .project-lightbox__panel,
    .project-lightbox__close {
        transition: none;
    }
}