/**
 * buttons.css
 * Button styling — primary, secondary, danger, success variants.
 * Pure CSS with custom properties — no frameworks.
 */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.5;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    text-decoration: none;
}

.button:hover {
    transform: translateY(-1px);
}

.button:active {
    transform: translateY(0);
}

.button-primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.button-primary:hover {
    background-color: var(--color-primary-hover);
}

.button-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.button-secondary:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.button-danger {
    background-color: var(--color-danger);
    color: #FFFFFF;
}

.button-danger:hover {
    background-color: #C53030;
}

.button-success {
    background-color: var(--color-success);
    color: #FFFFFF;
}

.button-success:hover {
    background-color: #2F855A;
}

.button-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.button:disabled:hover {
    transform: none;
}