/* Input Area */
#input-area { 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    right: 0; 
    background: linear-gradient(180deg, var(--gradient-start), var(--bg-primary) 50%); 
    padding: 1.5rem 1.5rem 2.5rem 1.5rem; 
    display: flex; 
    flex-direction: column;
    align-items: center; 
    z-index: 10;
}

.input-wrapper { 
    width: 100%; 
    max-width: 768px; 
    background-color: var(--input-bg); 
    border-radius: var(--input-border-radius); 
    border: 1px solid var(--border-color); 
    box-shadow: var(--shadow-md); 
    display: flex; 
    position: relative; 
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-wrapper:focus-within {
    border-color: var(--focus-border);
}

textarea { 
    background: transparent; 
    border: none; 
    color: var(--text-primary); 
    padding: 12px 52px 12px 20px; 
    resize: none; 
    min-height: 100px;
    max-height: 200px; 
    font-size: 1rem; 
    outline: none; 
    width: 100%; 
    line-height: 1.5;
}

#send-btn { 
    position: absolute; 
    bottom: 8px; 
    right: 8px; 
    background: var(--text-primary); 
    border: none; 
    color: var(--bg-primary); 
    cursor: pointer; 
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%; 
    transition: transform 0.2s ease, opacity 0.2s ease; 
}

#send-btn:hover { 
    transform: scale(1.05);
    opacity: 0.9;
}

#image-btn {
    position: absolute;
    bottom: 8px;
    right: 52px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease, color 0.2s ease;
}

#image-btn:hover {
    background-color: var(--hover-light);
    color: var(--text-primary);
}

#image-btn .material-icons-outlined {
    font-size: 18px;
}

.image-preview {
    max-width: 768px;
    margin: 8px auto 0 auto;
    padding: 8px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.image-item {
    position: relative;
    display: inline-block;
}

.image-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.image-item .remove-image {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
}

.image-item .remove-image:hover {
    background: var(--danger-hover);
}