.image-container {
    position: relative;
    max-width: 600px;
    border-radius: 10px;
    background: transparent;
}

.image-container img {
    max-height: 500px;
    margin: 0 auto;
    display: block;
}

.arrow-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    font-size: 2rem;
    padding: 10px 15px;
    cursor: pointer;
    z-index: 10;
    user-select: none;
}

.arrow-left { left: 10px; }
.arrow-right { right: 10px; }

.fullscreen-btn {
    position: absolute;
    bottom: 16px;
    right: 16px;
    background: rgba(0,0,0,0.4);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px;
    border-radius: 4px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.fullscreen-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.carousel-fullscreen {
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    flex-direction: column;
}

.carousel-fullscreen img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.carousel-fullscreen button {
    position: absolute;
    background: none;
    border: none;
    font-size: 2.5rem;
    color: white;
    cursor: pointer;
    user-select: none;
}

.close-btn { top: 20px; right: 20px; font-size: 2rem; }
.next-full { right: 20px; top: 50%; transform: translateY(-50%); }
.prev-full { left: 20px; top: 50%; transform: translateY(-50%); }

.arrow-btn:hover,
.fullscreen-btn:hover,
.carousel-fullscreen button:hover {
    background: rgba(0,0,0,0.3);
}