/* ========================================
   Images in Messages
   ======================================== */
.message-image-wrapper {
    position: relative;
    display: inline-block;
    max-width: 100%;
    margin: 0.75rem 0;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

.message-image {
    display: block;
    max-width: 100%;
    max-height: 400px;
    width: auto;
    height: auto;
    border-radius: 12px;
    cursor: zoom-in;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    opacity: 0;
}

.message-image.loaded {
    opacity: 1;
}

.message-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

/* Image Loading State */
.image-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    z-index: 1;
}

.message-image.loaded + .image-loading,
.message-image.error + .image-loading {
    display: none;
}

.image-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-primary);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Image Error State */
.image-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem 2rem;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border-radius: 12px;
    min-width: 200px;
    border: 1px dashed var(--border-primary);
}

.image-error i {
    width: 32px;
    height: 32px;
    opacity: 0.4;
}

.image-error span {
    font-size: 0.875rem;
    font-weight: 500;
}

.image-error a {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--accent-primary);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    background-color: var(--accent-light);
    border-radius: 4px;
    transition: background-color var(--transition-fast);
}

.image-error a:hover {
    background-color: #bfdbfe;
    text-decoration: none;
}

/* ========================================
   Image Modal (Lightbox)
   ======================================== */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.image-modal.active {
    opacity: 1;
    visibility: visible;
}

.image-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.image-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1001;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.image-modal.active .image-modal-content {
    transform: scale(1);
}

.image-modal-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.image-modal-close {
    position: absolute;
    top: -48px;
    right: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.image-modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.image-modal-close i {
    width: 24px;
    height: 24px;
}

.image-modal-caption {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    text-align: center;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}